Presiding: DePRIEST, PAULA.

SYMPOSIUM: Recent advances in Bryology and Lichenology for undergraduate teaching. Bryological and Lichenological section. Joint session with ABLS session 4 and with the Canadian Botanical Association (CBA/ABC). Organized by DePRIEST, PAULA, Department of Botany, NHB 166 NMNH, Smithsonian Institution, Washington, DC 20560 (202/357-2545) <depriest@onyx.si.edu>.

8:25 BSA 36.1 DEPRIEST, PAULA, Smithsonian Institution, Washington, DC. Introduction.

8:30 BSA 36.2 MISHLER, BRENT D. University of California, Berkeley. Major features of the evolution of bryophytes.

9:00 BSA 36.3 RENZAGLIA, KAREN SUE. Southern Illinois University, Carbondale. Exploring the use of bryophytes in teaching plant development.

9:30 BSA 36.4 SLACK, NANCY G. Russell Sage College. Recent advances in bryophyte ecology.

10:00 Recess

10:15 BSA 36.5 HAMMER, SAMUEL. Boston University, MA. Attracting undergraduates in pursuit of lichens.

10:45 BSA 36.6 MIAO, VIVIAN. Lichen Biology Section, Terragen Diversity. Genetic approaches to questions in lichenology.

11:15 BSA 36.7 LAWREY, JAMES D. George Mason University, Fairfax, VA. Use of lichenicolous fungi in teaching experimental mycology.

11:45 Discussion.

Presiding: SOUTHWORTH, DARLENE and RUSSELL, SCOTT D.

SYMPOSIUM: Plant gametes and fertilization. Part I. Developmental and Structural section, BSA, and Structure and Development section, CBA/ABC. Organized by SOUTHWORTH, DARLENE, Department of Biology, Southern Oregon State College, Ashland, OR 97520 (514/552-6865, <southworth@wpo.sosc.osshe.edu>; and RUSSELL, SCOTT D., Department of Botany and Microbiology, University of Oklahoma, Norman, OK 73019-0245 (405/325-6234, <srussell@ou.edu>.

8:00 BSA 37.1 SOUTHWORTH, DARLENE and RUSSELL, SCOTT D., Southern Oregon State College, Ashland and University of Oklahoma, Norman. Introduction.

8:15 BSA 37.2 RENZAGLIA, KAREN S.* and VAUGHN, KEVIN C., Southern Illinois University, Carbondale and US Department of Agriculture, Stoneville, MS. The cytoskeleton in development of motile plant sperm.

8:45 BSA 37.3 MADEN, ANGEL R.* and RENZAGLIA, KAREN S. Southern Illinois University, Carbondale, and East Tennessee State University, Johnson City. Sperm cell morphology in the lycophytes: clues to evolutionary modifications in motile cells of land plants.

9:00 BSA 37.4 OWENS, JOHN N.* and FERNANDO, DANILO D. University of Victoria, BC. Conifer male gametophyte development and sperm structure.

9:30 BSA 37.5 RUNIONS, C. JOHN* and OWENS, JOHN N. Cornell University, Ithaca, NY and University of Victoria, BC. Prezygotic factors that affect fertilization of white spruce (Pinaceae).

9:45 BSA 37.6 FERNANDO, DANILO D., OWENS, JOHN N, ADERKAS, PATRICK VON, and BEBOUX, NICOLE DUMONT. University of Victoria, BC. Towards in vitro fertilization in conifers.

10:00 Recess

10:15 BSA 37.7 LAZZARO, MARK D. Stockholm University, Sweden. Generative and body cell cytoskeleton in conifers.

10:45 BSA 37.8 FRIEDMAN, WILLIAM E. University of Colorado, Boulder. The role of heterochrony in the evolution of female gametophytes and female gametes among seed plants.

11:15 BSA 37.9 XU, H., SWOBODA, I., BHALLA, P. L., and SINGH, MOHAN B. University of Melbourne, Parkville, Victoria, Australia. Differential gene expression in generative cells.

Presiding: SAWHNEY, VIPEN K. Department of Biology, University of Saskatchewan, Saskatoon, SK S7N 5E2 (306/966-4417).

CONTRIBUTED PAPERS: Genes and development. Developmental and Structural Section, BSA, Genetics section, BSA, and Structure and Development Section, CBA/ABC.

8:30 BSA 38.1 VENGLAT, S.P.* and SAWHNEY, VIPEN K. University of Saskatchewan, Saskatoon. Cytokinin regulation of floral meristem identity in Arabidopsis thaliana.

8:45 BSA 38.2 PYLATUIK, JEFFREY D.*, BONHAM-SMITH, PETA C., and DAVIS, ARTHUR R. University of Saskatchewan, Saskatoon. How virile is SUPERMAN (FLO-10)?

9:00 BSA 38.3 BIRKETT, JENNY A.*, GEPTS, PAUL L., and JERNSTEDT, JUDITH A. University of California, Davis. Leaf development in Phaseolus vulgaris cv. Cordonco: Comparison with a unifoliate mutant, uni-2.

9:15 BSA 38.4 GROOT, EDWIN P.* and MEICENHEIMER, ROGER D. Miami University, Oxford,OH. Developmental aspects of depth of toothing in leaves of Arabidopsis thaliana cv. Columbia-1.

9:30 Recess

9:45 BSA 38.5 JIN, WEI; PALMER, REID G.; SHOEMAKER, RANDY C., and HORNER, HARRY T.* Iowa State University, Ames. Involvement of callase in a new genic male-sterile soybean mutant.

10:00 BSA 38.6 WYMAN, JANET*, LALIBERTE, SYLVIE, and TREMBLAY, M.-FRANCINE. University of Quebec, Montreal, and University of Quebec, Abitibi-Temiscamingue. Nuclear DNA content variation in 22 half-sib families of jack pine (Pinus banksiana Lamb., Pinaceae).

10:15 BSA 38.7 ZHAO, LIMING*, GEISLER, MATT, and SACK, FRED D. Ohio State University, Columbus. Cell lineage and cytology of stomatal development in wild-type Arabidopsis thaliana.

10:30 BSA 38.8 SPECHT, CHLESEA D.*, STEVENSON, DENNIS WM., HELARIUTTA, YRJO, LIM, JUN, and BENFEY, PHILIP N. New York Botanical Garden, Bronx, and New York University, NY. Using molecular markers to investigate pattern development during root apex regeneration.

10:45 BSA 38.9 GEORGIADY, MICHAEL S.* and LORD, ELIZABETH M. University of California, Riverside. The evolution of inbreeding in tomato: Developmental changes and their genetic basis.

POSTER SESSION: Structure and Development. Developmental and Structural Section, BSA, and Structure and Development Section, CBA/ABC. Posters will be available for viewing from 9:00 a.m. until 4:30 p.m.. Authors will be available to discuss their posters from 2:30 - 4:30 p.m.

BSA 39.1 BARABE, DENIS*, LACROIX, CHRISTIAN, and JEUNE, BERNARD. Jardin botanique de Montreal, PQ, University of Prince Edward Island, Charlottetown, and Universite Pierre et Marie Curie, France. Development of the flowers of Philodendron fragrantissimum (Hook) Kunth (Araceae).

BSA 39.2 JEUNE, BERNARD and BARABE, DENIS*. Universite Pierre et Marie Curie, France, and Jardin botanique de Montreal, PQ. The geometry of the inflorescences of the Araceae: A physical or biological problem?

BSA 39.3 DEXTER, A. SUSAN*, SAGE, ROWAN F., and SAGE, TAMMY L. University of Toronto, ON. Effects of preagricultural levels of carbon dioxide and high temperature on leaf development of Phaseolus vulgaris L.

BSA 39.4 GERRATH, JEAN M.* and DENGLER, NANCY G. University of Northern Iowa, Cedar Falls, and University of Toronto, ON. Primary vascular pattern and development in Cissus rhombifolia Vahl. (Vitaceae).

BSA 39.5 MASSICOTE, HUGHES B.*, MELVILLE, L.H., PETERSON, R.L., and LUOMA, D.L. University of Northern British Columbia, Prince George, University of Guelph, ON, and Oregon State University, Corvallis. Anatomical aspects of Polygonum viviparum (Polygonaceae) and Kobresia myosuroides (Cyperaceae) ectomycorrhizae.

BSA 39.6 MELVILLE, LEWIS, DICKSON, S., FARQUHAR, M., PETERSON, L.*, and SMITH, S. University of Guelph, ON, and University of Adelaide, Australia. The use of Sulforhodamine-G as a fast and effective method to visualize fungal structures in resin-embedded material using epifluorescence or confocal microscopy.

BSA 39.7 LEI, SIMON A. University of Nevada, Las Vegas. A dendrochronological analysis of two subalpine conifers and their relationship with climate in the Mojave Desert.

BSA 39.8 PONTIERI, VINCENZA* and SAGE, TAMMY L. University of Toronto, ON. Characterization of pollen/carpel interactions following self- and cross-pollination in the paleoherb family, Sauraceae.

BSA 39.9 LIU, LAN* and BRTIZ, STEVEN. USDA/ARS, Beltsville, MD. Blue light inhibits stomatal development of a soybean isoline which produces a unique flavanoid glycoside K9.

BSA 39.10 SUD, RUCHIRA* and SAGE, TAMMY L. University of Toronto, ON. Characterization of the male germ unit in Asclepias currisavica (Asclepiadaceae).

BSA 39.11 STASOLLA, CLAUDIO*, KONG, L., LACKIE, S., and YEUNG, EDWARD C. University of Calgary, AB. Root meristem development in white spruce zygotic and somatic embryos.

BSA 39.12 TOMLINSON, P. BARRY* and SPANGLER, RUSSELL. Harvard University, Petersham and Cambridge, MA. Three-dimensional vasculature in climbing palms.

BSA 39.13 TOMLINSON, P. BARRY* and ZACHARIAS, ELIZABETH. Harvard University, Petersham, MA. Phyllotaxis and phenology in Cephalotaxus, Torreya and Amentotaxus.

POSTER SESSION: Plant Ecology. Ecological Section. Joint session with the Canadian Botanical Association (CBA/ABC). Posters will be available for viewing from 9:00 a.m. until 5:00 p.m.. Authors will be available to discuss their presentations from 11:00 a.m. to 12:00 p.m..

BSA 40.1 ALMEIDA-CORTEZ, JARCILENE*, SHIPLEY, BILL and ARNASON, THOR. Universite de Sherbrooke, PQ and University of Ottawa, ON. Nutrient stress: Is there any correlation between RGR and chemical defense?

BSA 40.2 ALMEIDA-CORTEZ, JARCILENE*, SHIPLEY, BILL and ARNASON, THOR. Universite de Sherbrooke, PQ and University of Ottawa, ON. Resource availability and plant chemical defence versus RGR: Is there a tradeoff?

BSA 40.3 BADGER, KEMUEL S.*, JONES, BOBETTE E. and TAYLOR, JOHN E. Ball State University, Muncie, IN. The distribution and abundance of understory herbaceous vegetation in Mammoth Cave National Park.

BSA 40.4 BERTIN, ROBERT I. College of the Holy Cross, Worcester, MA. Effects of varying nutrient and light levels on sex expression in Aster (Asteraceae).

BSA 40.5 BOUDREAU, STÉPHANE* and HOULE, GILLES. Université Laval, Sainte-Foy, PQ. Ammophila dieout: the role of harmful soil organisms and substrate nutrient availability.

BSA 40.6 BURGESS, CARL J.*, MACDONALD, ELLEN and BOUTIN, STAN. University of Alberta, Edmonton. Patterns of wildfire history and forest composition in the western boreal mixedwood: a broader context for forest resource management.

BSA 40.7 CAESAR, J. CARTEY. University of Guyana, Georgetown. Effect of flooding on biomass accretion and foliar mineral content of Inga setulifera seedlings.

BSA 40.8 CARTWRIGHT, CARRIE A. and MICHAELS, HELEN J. Bowling Green State University, Bowling Green, OH. Interpopulation variation in fitness in Lupinus perennis.

BSA 40.9 COGLIASTRO, A., GAGNON, D. and BOUCHARD, A. Institut de recherche en biologie végétale and GREF, Montréal, PQ. Ecological amplitute of 10 hardwood tree species: a field experiment.

BSA 40.10 DOWNS, MICHAEL P.* and CAVERS, PAUL B. University of Western Ontario, London. Effects of leaf litter on seedling establishment of Cirsium vulgare Savi.(Ten.)Asteraceae.

BSA 40.11 DUNCAN, SHARLENE and VASSEUR, LIETTE*. Saint Mary's University, Halifax, NS. Reproductive ecology of Allium burdickii in three disjunct populations of Nova Scotia.

BSA 40.12 GAGNÉ, JEAN-MICHEL and HOULE, GILLES. Université Laval, Sainte-Foy, PQ. Effect of salt spray, soil salinity and sand burial on the growth and survival of Honckenya peploides and Elymus mollis seedlings.

BSA 40.13 GAMACHE, ISABELLE* and HOULE, GILLES. Université Laval, Sainte-Foy, PQ. Spatial structure of a dioecious shrub population, Salix planifolia, along a successionnal gradient in a subarctic dune.

BSA 40.14 GROSS, MICHAEL F. Georgian Court College, Lakewood, NJ. Species-area relationship for vegetation on islands in a New Jersey Pinelands fen.

BSA 40.15 GUL, B.* and WEBER, DARRELL J. Brigham Young University, Provo, UT. Effect of salinity and thermoperiod on the seed germination of Allenrolfea occidentalis (S.Wats.) Chenopodiaceae.

BSA 40.16 HERMANUTZ, LUISE* and PIEDA, STANLEY. Memorial University, St John's, NF. Do fungal pathogens alter the breeding system of Silene acaulis (Caryophyllaceae)?

BSA 40.17 HEWLIN, HEATHER L.*, REEKIE, EDWARD G. and BOATES, SHERMAN J. Acadia University, Wolfville, NS. and Department of Natural Resources, Kentville, NS. Effect of bloom picking on Limonium carolinianum.

BSA 40.18 JOHNS, JENNIFER S.* and HARTMAN, JEAN MARIE. Rutgers University, New Brunswick, NJ. Problems in forest restoration: the effects of small mammal herbivory, interspecific competition and field age in the establishment of red oak seedlings, (Quercus rubra).

BSA 40.19 JOYAL, CLAUDE*, TREMBLAY, M.-FRANCINE, LAUTHIER, SYLVIE and LALIBERTÉ, SYLVIE. Université du Québec à Montréal,. Université du Québec en Abitibi-Témiscamingue, Rouyn-Noranda,. Service Canadien des Forêts, Ste-Foy, PQ. Phenotypic plasticity of juvenile traits in 55 open-pollinated jack pine families.

BSA 40.20 KANG, HYESOON. Sungshin Women's University, Seoul, Korea. Architectural effect on seed development and seed weight in Vicia cracca (Leguminosae).

BSA 40.21 KAUFMAN, SYLVAN R. Rutgers University, New Brunswick, NJ. Consequences of habitat and species characteristics on the invasiveness of Melaleuca quinquenervia (Cav.) Blake in native and non-native habitats.

BSA 40.22 KERWIN, MAUREEN A.* and SMITH-HUERTA, NANCY L. Miami University, Oxford, OH. Pollen and pistil effects on pollen germination and tube growth in selfing and outcrossing populations of Clarkia tembloriensis (Onagraceae) and their hybrids.

BSA 40.23 KHAN, M. AJMAL* and UNGAR, IRWIN A. Ohio University, Athens. Effect of salinity on the seed germination of Triglochin maritima under various thermoperiods.

BSA 40.24 KRAENZEL, MARGARET and POTVIN, CATHERINE. McGill University, Montréal, PQ. Net photosynthesis of three herbaceous perennials in response to elevated CO₂ in the field: A comparison of short-and long-term enrichment.

BSA 40.25 LABRECQUE, M.. Montreal Botanical Garden, PQ. Effect of changing light conditions on growth and shoot characteristics in seedlings of yellow birch (Betula alleghaniensis).

BSA 40.26 LAMEN, SABAH H.*, REEKIE, EDWARD G. and TAYLOR, HILDA. Acadia University, Wolfville, NS. Effect of elevated carbon dioxide on anatomical characteristics of Sinapis alba.

BSA 40.27 LEI, SIMON A. University of Nevada, Las Vegas. Host-parasite relationship between Juniperus osteosperma (Utah juniper) and Phoradendron juniperus (desert mistletoe) in the Mojave Desert.

BSA 40.28 MACDONALD, S. ELLEN* and MARTENS, LEE. University of Alberta, Edmonton. Ecological uniqueness of riparian forests in the western boreal mixed-wood.

BSA 40.29 MAGNUSSEN, LINE S.*, WEIDEMA, INGER R. and PHILIPP, MARIANNE. University of Copenhagen, Denmark. Population genetic investigations of the perennial herb Stellaria holostea L. (Caryophyllaceae) restricted to deciduous woodlands.

BSA 40.30 MEINERS, SCOTT J.* and HANDEL, STEVEN N. Rutgers University, New Brunswick, NJ. Seed predation intensity varies with distance from the forest edge.

BSA 40.31 NEMETH, M. BARBARA* and SMITH-HUERTA, NANCY L. Miami University, Oxford, OH. Natural levels of pollination in a wild population of Clarkia unguiculata (Onagraceae).

BSA 40.32 PROVENCHER, MARIE-CLAUDE* NAULT, ANDRÉE and GAGNON, DANIEL. Université du Québec à Montréal,. Biodôme de Montréal, PQ. Recovery efforts for green dragon (Arisaema dracontium), a threatened species of the St-Lawrence floodplains.

BSA 40.33 PURDY, BRETT G.*, MACDONALD, S. ELLEN, and DALE, MARK R.T. University of Alberta, Edmonton. The regeneration niche of white spruce in the mixedwood boreal forest following natural disturbance.

BSA 40.34 QADERI, MIRWAIS M.* and CAVERS, PAUL B. The University of Western Ontario, London. Effects of preheating treatments on seed dormancy and viability in Scotch thistle (Onopordum acanthium L.), Asteraceae.

BSA 40.35 RAMBO, KATHERINE C. and MCLETCHIE, D. NICHOLAS*. University of Kentucky, Lexington. Differences on selection in males and females in a sexually dimorphic species (Silene latifolia).

BSA 40.36 RAMIREZ, NELSON* and HOKCHE, OMAIRA. Universidad Central de Venezuela, Caracas. Juvenile demography of Copaifera pubiflora Benth. (Leguminosae, Caesalpinoideae) near parent tree.

BSA 40.37 REEKIE, E.G., SMILIE, L., LANTX, H.N.*, REEKIE, J.Y.C., and HICKLETON, P.R.. Acadia University, Wolfville, NS. Effect of carbon dioxide on the photoperiodic response of Kalanchoe blossfeldiana Poeliniz.

BSA 40.38 REEKIE, EDWARD G., WONG, IVAN*, MACDOUGALL, GLENN and HICKLENTON, PETER. Acadia University, Wolfville, NS. Effect of sink size and location on response to elevated carbon dioxide.

BSA 40.39 REYGADAS, FABIOLA* and LECHOWICZ, MARTIN J. McGill University, Montréal, PQ. The role of plasticity in determining the distribution and abundance of forest sedges.

BSA 40.40 ROCHELEAU, ANNE-FRANCOISE* and HOULE, GILLES. Université Laval, Sainte-Foy, PQ. Plant-ant mutualism and the maintenance of a threatened plant species, Corema conradii.

BSA 40.41 TAYLOR, KEVIN* and POTVIN, CATHERINE. McGill University, Montréal, PQ. Understanding the long-term effect of CO₂ enrichment on a natural pasture: the importance of disturbance.

BSA 40.42 TURCOTTE, JOHANNE* and HOULE, GILLES. Université Laval, Sainte-Foy, PQ. Resource allocation in the dioecious shrub, Salix planifolia Pursh, Subarctic, Québec.

BSA 40.43 UMBANHOWAR, CHARLES E., JR.* and MCGRATH, MOLLY J. St. Olaf College, Northfield, MN. Experimental analysis of microscopic charcoal of grasses, leaves, and wood.

BSA 40.44 WEBER, EWALD. University of California, Berkeley. The alien flora of Europe - a taxonomic and biogeographic analysis.

BSA 40.45 WELDY, TROY, INGRAHAM, MOLLY, BERNITT, JENNIFER, CODEY, and SCHLESSMAN, MARK*. Vassar College, Poughkeepsie, NY. Flora and vegetation of the Vassar College Ecological Preserve.

Presiding: YAHR, REBECCA. Archbold Biological Station, P. O. Box 2057, Lake Placid, FL 33862 (941-465-2571) .

CONTRIBUTED PAPERS: Conservation biology, community ecology, and competitive interactions. Ecological Section. Joint session with the Canadian Botanical Association (CBA/ABC).

8:30 BSA 41.1 YAHR, REBECCA. Archbold Biological Station, Lake Placid, FL. Factors affecting growth rate of the endangered lichen Cladonia perforata and implications for managment and restoration.

8:45 BSA 41.2 HAWKES, CHRISTINE V. University of Pennsylvania, Philadelphia. Soil crusts in a xeric, shrub-dominated Florida upland.

9:00 BSA 41.3 HAIG, APRIL R.* and LARSON, D.W. University of Guelph, ON. The impact of habitat fragmentation on the species diversity of the Niagra escarpment cliff ecosystem.

9:15 BSA 41.4 COPLEY, GEORGIANNE* and LES, DONALD H. University of Connecticut, Storrs. Life history study of Hottonia inflata, species of special concern in CT.

9:30 BSA 41.5 SIPES, SEDONIA* and BOETTINGER, JANIS. Utah State University, Logan. Soil morphology influences the distribution of Jones cycladenia (Cycladenia humilis var. jonesii (Eastw.) Welsh and Atwood; Apocynaceae), a rare endemic from southern Utah and northern Arizona.

9:45 BSA 41.6 STUART-SMITH, GEOFFREY J.* and MACDONALD, S. ELLEN. University of Alberta, Edmonton. Population genetics of whitebank pine in the Canadian Rockies.

10:00 Recess

10:15 BSA 41.7 WALCK, JEFFREY L.*; BASKIN, JERRY M. and BASKIN, CAROL C. University of Kentucky, Lexington. Role of light and nutrients in the autoecology of the narrow-endemic Solidago shortii.

10:30 BSA 41.8 WISHEU, IRENE C.*; ROSENZWEIG, MICHAEL L.; OLSVIG-WHITTAKER, LINDA and SHMIDA, AVI. McGill University, Montreal, PQ, University of Arizona, Tucson, and Herbrew University, Jeruselem, Israel. Diversity in Mediterranean heathlands and the ability of shrubs to resprout following fire.

10:45 BSA 41.9 CASTELLI, JEFF P. University of Pennsylvania, Philadelphia. The effects of population size and soil characteristics on the germination and growth of the rare serpentine endemic Cerastium velutinum Ref. (Carophyllaceae) compared in small barren fragments and large intact serpentine barrens in southeastern Pennsylvania.

11:00 BSA 41.10 HARPER, KAREN A.* and MACDONALD, S. ELLEN. University of Alberta, Edmonton. Variation in forest structure and composition along a lakeshore edge-to-interior gradient in the aspen-dominated mixedwood boreal forest.

11:15 BSA 41.11 KNEESHAW, DANIEL D. and BERGERON, YVES. Université du Quebec á Montréal. Gap formation and seedling response following a spruce budworm outbreak.

11:30 BSA 41.12 NAIDOO, ROBIN* and LECHOWICZ, MARTIN J. McGill University, Montréal, PQ. The effect of climate and gypsy moth defoliation on radial growth of northeastern deciduous trees.

11:45 BSA 41.13 ARII, KEN and TURKINGTON, ROY A. University of British Columbia, Vancouver. The importance of competition in the boreal forest understory.

12:00 BSA 41.14 JESSON, LINLEY, KELLY, DAVE and SPARROW, ASHLEY. University of Toronto, ON. The effect of competition, disturbance and dispersal on exotic plant invastions in New Zealand.

Presiding: LENTZ, DAVID L. and MILLER, JAMES.

SYMPOSIUM: Models of Working with Indigenous Communities: New Paradigms for Botany. Organized by LENTZ, DAVID L., New York Botanical Garden, Bronx, NY 10458 (718/817-8171) <dlentz@nybg.org>; and MILLER, JAMES, Missouri Botanical Garden, St. Louis, MO 63166 (314/577-9503) <miller@mobot.org>.

8:15 BSA 42.1 LENTZ, DAVID L., New York Botanical Garden, Bronx. Introduction.

8:30 BSA 42.2 RICHTER, ROWENA L., Shaman Pharmaceuticals, San Francisco, CA. Dovetailing biological diversity, indigenous, knowledge, traditional medicine and drug discovery for reciprocal benefit: Collaborations between Shaman Pharmaceuticals and African communities and organizations.

9:00 BSA 42.3 MILLER, JAMES S., Missouri Botanical Garden, St. Louis. Ensuring community based benefits in multinational bioprospecting.

9:30 BSA 42.4 JOHNS, TIMOTHY, Centre for Indigenous People's Nutrition and Environment, Ste Anne de Bellevue, PQ. Participatory studies in Loliondo and Dale Divisions, Ngorongoro District, Tanzania.

10:00 Recess

10:15 BSA 42.5 BECK, HANS T.* and ORTIZ, ALONSO, New York Botanical Garden, Bronx. The Ecuadorian Awá indigenous federation: Working in collaboration with the international scientific community to document and preserve their culture and forest resources.

10:45 BSA 42.6 ALCORN, JANIS B., World Wildlife Fund, Washington, D. C. . Science in service of indigenous communities: How can biologists help local people conserve biodiversity?

11:15 BSA 42.7 ALEXIADES, MIGUEL N., New York Botanical Garden, Bronx. Ethnobotanical research and the fieldwork enterprise: Some thoughts from the field.

11:45 LENTZ, DAVID L. New York Botanical Garden, Bronx. Concluding remarks.

POSTER SESSION: Genetics section. Joint session with the Canadian Botanical Association (CBA/ABC). Posters will be available for viewing from 1:00 p.m. to 5:00 p.m. Authors will be available to discuss their presentation from 1:30 p.m. - 2:30 p.m.

BSA 43.1 ISHIDA, KIYOSHI* and NAKAMURA, KAZUKO. Hokkaido Research Center, Japan. Outcrossing rate and inbreeding depression in natural populations of Magnolia hypoleuca.

BSA 43.2 OUYANG, JUNJUN, SINDEN, MICHELLE, ZUEHLKE, ERIC, DONG, FUGUI and WILSON, KENNETH* and QIU, YIN-LONG. Miami University, Oxford, OH and Indiana University, Bloomington. Investigation of multiple losses of the 5' intron from the cox2 gene in the angiosperms.

BSA 43.3 RUAS, CLAUDETE, FAIRBANKS, DANIEL, STUTZ, HOWARD, EVANS, PAUL, ANDERSEN, RALPH, and RUAS, PAULO. Universidade Estadual de Londrina, Brazil and Brigham Young University, Provo, UT. A male-specific DNA marker in Atriplex garrettii.

BSA 43.4 RUAS, PAULO, RUAS, CLAUDETE, STUTZ, HOWARD, CHU, GE-LIN, FAIRBANKS, DANIEL, and ANDERSEN, RALPH. Universidade Estadual de Londrina, Brazil, Brigham Young University, Provo, UT and Northwest Normal University, China. Karyotype analysis in annual and perennial species of Atriplex (Chenopodiaceae).

BSA 43.5 WELLS, CAROLYN, CALLAHAN, HILARY, and PIGLIUCCI, MASSIMO. University of Tennessee, Knoxville. Light perception in Arabidopsis: can plants anticipate drought?

BSA 43.6 ZAHIDI, ABDELAZIZ and BANI-AAMEUR, FOUZIA. Universite Ibnou Zohr, Morocco. Argan genetic diversity of root and shoot characters.

Presiding: KASS, LEE B. Cornell University, Ithaca, NY.

CONTRIBUTED PAPERS. Historical section. Joint session with the Canadian Botanical Association (CBA/ABC).

9:00 BSA 44.1 LITTLE, R. JOHN Sycamore Environmental Consultants, Inc., Sacramento, CA. An eighty-year index to Madroño (1916-1996), a west American journal of botany.

9:15 BSA 44.2 KASS, LEE B.* and PROVINE, WILLIAM B. Cornell University, Ithaca, NY. Genetics in the roaring 20's: The influence of Cornell's professors and curriculum on Barbara McClintock's development as a cytogeneticist.

Presiding: STOCKEY, RUTH A., Department of Biological Sciences, University of Alberta, Edmonton, AB T6G 2E9 (403/492-7033).

CONTRIBUTED PAPERS. Paleobotanical Section. Joint session with the Canadian Botanical Association (CBA/ABC).

8:15 BSA 45.1 LI, HONGQI* and TAYLOR, DAVID W. Indiana University Southeast, New Albany. An actinodromous venation pattern in gigantopterids and its implication for a new structural classification of the group.

8:30 BSA 45.2 TAYLOR, DAVID W.* and LI, HONGQI. Indiana University Southeast, New Albany. Phylogenetic relationships of gigantopterids and their affinities to seed plants.

8:45 BSA 45.3 MAPES, GENE*, ROTHWELL, GAR W., and GRAUVOGEL-STAMM, LEA. Ohio University, Athens, and Universite Louis Pasteur, Strasbourg, France. Aethophyllum stipulare, an herbaceous Triassic conifer.

9:00 BSA 45.4 MCIVER, ELISABETH E. University of Saskatchewan, Saskotoon. The Cupressaceae: fossils and phylogeny.

9:15 BSA 45.5 LEPAGE, BEN A.* and AULENBACK, KEVIN R. University of Pennsylvania, Philadelphia, and Royal Tyrrell Museum of Paleontology, Drumheller, AB. A new species of Taxodium (Taxodiaceae) from the Late Cretaceous (Maastrichtian) Horseshoe Canyon Formation, Alberta, Canada.

9:30 Recess

9:45 BSA 45.6 STOCKEY, RUTH A.*, LEPAGE, BEN A., and PIGG, KATHLEEN B. University of Alberta, Edmonton, University of Pennsylvania, Philadelphia, and Arizona State University, Tempe. Permineralized fruits of Cornaceae (Mastixioideae) from the Middle Eocene Princeton chert of British Columbia.

10:00 BSA 45.7 PIGG, KATHLEEN B. Arizona State University, Tempe. Anatomically preserved Liquidambar-like infructescences (Hamamelidaceae) from the Middle Miocene Yakima Canyon flora of Washington, USA.

10:15 BSA 45.8 ERWIN, DIANE M.* and SCHORN, HOWARD E. University of California, Berkeley. Channel Ironwood (Lyonothamnus, Spiraeoideae, Rosaceae) in the Miocene of Nevada.

10:30 BSA 45.9 FIELDS, PATRICK F. Michigan State University, East Lansing. A review and addition to the remarkably sparse North American Tertiary foliar record of Cercis (Fabaceae, Caesalpinioideae).

10:45 Recess

11:00 BSA 45.10 DOYLE, JAMES A.* and SANDERSON, MICHAEL J. University of California, Davis. Fossils, molecular clocks, and the age of angiosperms.

11:15 BSA 45.11 TAYLOR, EDITH L.*, TAYLOR, THOMAS N., and ISBELL, JOHN L. University of Kansas, Lawrence, and University of Wisconsin, Milwaukee. Evidence of Permian forests from the Shackleton Glacier area, Antarctica.

11:30 BSA 45.12 MCIVER, ELISABETH E. University of Saskatchewan, Saskatoon. Forest kill at the K-T boundary.

11:45 BSA 45.13 BOUCHER, LISA D.* and WING, SCOTT L. Smithsonian Institution, Washington, DC Relative abundance and diversity of plant groups in the Late Cretaceous: new data from the San Juan Basin, New Mexico.

Presiding: HICKEY, R. JAMES and TAYLOR, W. CARL.

SYMPOSIUM: Changing perceptions on Quillwort. Pteridological section. Joint session with AFS session 4 and with the Canadian Botanical Association (CBA/ABC). Organized by HICKEY, R. JAMES, Botany Department, Miami University, Oxford, OH 45056 (513/529-6000) <hickeyrj@muohio.edu>; and TAYLOR, W. CARL, Botany Department, Milwaukee Public Museum, Milwaukee, WI 53233 (414/278-2760) <ct@mpm1.mpm.edu>.

8:30 BSA 46.1 WAGNER, WARREN H. JR. University of Michigan, Ann Arbor. Introduction.

8:40 BSA 46.2 PIGG, KATHLEEN B. Arizona State University, Tempe. The fossil record of Isoetes-like plants.

9:00 BSA 46.3 HICKEY, R. JAMES. Miami University, Oxford, OH. The genus Isoetes in the New World: An overview.

9:20 BSA 46.4 BRUNTON, DANIEL F.* and BRITTON, DONALD M. University of Guelph, ON. A new Appalachian Isoetes species in the eastern United States.

9:40 BSA 46.5 CAPLEN, CYNTHIA A.* and WERTH, CHARLES R. Texas Tech University, Lubbock. Isozyme studies on the Isoetes riparia complex of eastern North America.

10:00 Recess

10:15 BSA 46.6 MUSSELMAN, LYTTON J.*, BRAY, REBECCA D., HEAFNER, KERRY D., and KNEPPER, DAVID A. Old Dominion University, Richmond, VA, and Appalachian State University, Boone, NC. The genus Isoetes (Quillworts) in the southern United States.

10:35 BSA 46.7 BRITTON, DONALD,* M., BRUNTON, DONALD F., and TALBOT, S. S. University of Guelph, ON. Isoetes in Alaska, the Yukon, and the Aleutians - a classical biosystematic study and its limitations.

10:55 BSA 46.8 SHACKLEFORD, I.* and HICKEY, R. JAMES. University of Wisconsin, Milwaukee and Miami University, Oxford, OH. Allopolyploid origins of Isoetes occidentalis and Isoetes maritima.

11:15 BSA 46.9 TAYLOR, W. CARL* and HOOT, SARA B. Milwaukee Public Museum, WI and University of Wisconsin, Milwaukee. Evolutionary relationships of Isoetes species based on ITS sequences.

11:35 Discussion.

CONTRIBUTED PAPERS: Monocots. Systematics section. Joint session with ASPT session 8 and with the Canadian Botanical Association (CBA/ABC).

CONTRIBUTED PAPERS: General. Systematics section. Joint session with ASPT session 9 and with the Canadian Botanical Association (CBA/ABC).

CONTRIBUTED PAPERS: Island taxa. Systematics section. Joint session with ASPT session 10 and with the Canadian Botanical Association (CBA/ABC).

Presiding: SHIPMAN, J. S., Science Department, Division of Math, Science and Technology, Bunker Hill Community College, 250 New Rutherford Avenue, Boston, MA (603-659-7370) <jshipman@mecn.mass.edu>.

CONTRIBUTED PAPERS AND POSTERS. Teaching Section. Joint session with the Canadian Botanical Association (CBA/ABC). Contributed papers and posters will be presented in the same room according to the schedule below. Posters will be available for viewing in the periphery of the room and may be viewed during any breaks from the contributed papers as well as during the scheduled presentations when the posters' authors will be available.

8:00 BSA 50.1 CALLAHAN, HILLARY S.*, CRUZAN, MITCH, CUNNINGHAM, MAUREEN, ESTILL, JAMIE, GUFFEY, STANLEY, MARTIN, LORI, MAKSAS, STEPHANIE, PIGLIUCCI, MASSIMO, SMITH, STACEY and WELLS, CAROLYN L. University of Tennesee, Knoxville. Celebrating Darwin in East Tennessee (Poster).

8:15 BSA 50.2 SILVIUS, JOHN E.* and BENJAMIN C. STUTZMAN. Cedarville College, Cedarville, OH. A botany laboratory inquiry project: Effect of soil resistance on bean seedling emergence (Poster).

8:30 BSA 50.3 MEICENHEIMER, ROGER D. Miami University, Oxford OH. Development of the Miami University Dendrology Expert System (Poster).

8:45 BSA 50.4 EZELL, WAYLAND L. St. Cloud State University, MN. Teaching botany and cultural diversity through ethnobotany.

9:00 BSA 50.5 ELLIS, RICHARD J. Bucknell University, Lewisburg, PA. The use of debates in large lecture classes.

9:15 BSA 50.6 EAKIN, DAVID A. Eastern Kentucky University, Richmond. Communicating with the non-major in the 90's.

9:30 BSA 50.7 KAPLAN, MONTY A.* and SHIPMAN, J. S. Five Kingdoms Land Trust and Research Group, Newmarket, NH and Bunker Hill Community College, Boston, MA. Using customizable card games for teaching science.

9:45 BSA 50.8 ARMSTRONG, JOSEPH E. Illinois State University, Normal. Introduction to the game Eleusis, a mini-workshop.

10:00 BSA 50.9 ARMSTRONG, JOSEPH E. Illinois State University, Normal. Eleusis, the game that mimics the process of science, as a teaching tool.

10:15 BSA 50.10 RICE, STANLEY A. Southwest State University, Marshall, MN An educational interactive simulation of cellular respiration.

10:30 BSA 50.11 PETERSON, FLORENCE* and SHIPMAN, J. S. USDA Forest Service, Durham, NH and Bunker Hill Community College, Boston, MA. Weeds: Tools for improving both environmental stewardship and science literacy.

10:45 BSA 50.12 WALLACE, BRUCE. Virginia Polytechnic Institute and State University, Blacksburg. Richmondia cardinalis and instruction in environmental literacy.

11:00 BSA50.13 KARAGATZIDES, JIM D. Trent University, Peterborough, ON Monitoring ecosystem health: field and laboratory techniques for high school and undergraduate students.

11:15 BSA 50.14 FREILE, DEBORAH* and DeVORE, MELANIE. St. Thomas University, Houston, TX and Sam Houston State University, Huntsville, TX. Using natural history museums in teaching evolutionary biology.

11:30 Recess

11:45 BSA 50.15 WOLF, STEVEN J.* and WILKERSON, JERRY E. California State University - Stanislaus, Turlock. Publishing databases on the World Wide Web.

12:00 BSA 50.16 WOLF, STEVEN J.*, BELL, JEFFREY R., DESHARNAIS, ROBERT A., KIBAK, HENRIK and MASON, ANDREW Z. California State University - Stanislaus, Turlock, California State University - Chico, California State University - Los Angeles, California State University - Monterey Bay, and California State University - Long Beach. EvolveIT - a World Wide Web based simulation for the teaching of evolution.