MONDAY AFTERNOON, 4 AUGUST 1997

12:00 LUNCHEON MEETING. American Journal of Botany Editorial Board.

NIKLAS, KARL J. (editor-in-chief), presiding.


SESSION 19

Presiding: MISHLER, BRENT D.

SYMPOSIUM: Phylogeny within the major bryophyte clades. Organized by MISHLER, BRENT D., Department of Integrative Biology, University of California, Berkeley, CA 94720 (510/642-2465) <bmishler@garnet.berkeley.edu>. Bryological and Lichenological section. Joint session with ABLS session 3 and with the Canadian Botanical Association (CBA/ABC).

1:00 BSA 19.1 LEWIS, LOUISE A.*, CRANDALL-STOTLER, BARBARA, and MISHLER, BRENT D. University of New Mexico, Albuquerque, Southern Illinois University, Carbondale, and University of California, Berkeley. Phylogenetic relationships of extant liverworts based on morphological and molecular data.

1:25 BSA 19.2 SPEER, BRIAN R. University of California, Berkeley. Phylogeny of the complex-thalloid liverworts (Marchantiopsida).

1:50 BSA 19.3 CRANDALL-STOTLER, BARBARA*, STOTLER, RAYMOND E., and MISHLER, BRENT D. Southern Illinois University, Carbondale and University of California, Berkeley. Phylogenetic relationships within the Metzgeriidae (simple thalloid liverworts) as inferred from morphological characters.

2:15 Recess

2:30 BSA 19.4 CRANDALL-STOTLER, BARBARA* and STOTLER, RAYMOND E. Southern Illinois University, Carbondale. A cladistic analysis of morphological diversity and phylogenetic relationships within the leafy liverworts (Jungermanniopsida, subclass Jungermanniidae).

2:55 BSA 19.5 MISHLER, BRENT D.*, GONZALEZ, DOLORES, ARRINGTON, JENNIFER M., LEWIS, LOUISE A., and VILGALYS, RYTAS J. University of California, Berkeley, Instituto de Ecologia, Veracruz, Mexico, Duke University, Durham, NC, and University of New Mexico, Albuquerque. An overview of the phylogeny of the mosses inferred from cladistic analysis of morphology and the rbcL gene.

3:20 BSA 19.6 HYVONEN, JAAKKO*, HEDDERSON, TERRY A,. SMITH MERRILL, GARY L., and GIBBINGS, J. GEORGE. University of Turku, Finland, University of Reading, England, and Field Museum of Natural History, Chicago, IL. A preliminary phylogenetic analysis of Polytrichales.

3:45 Recess

4:00 BSA 19.7 SCHAFFER, STEFFEN* and MISHLER, BRENT D. . University of Ulm, Germany and University of California, Berkeley. Phylogeny of the haplolepidous mosses inferred from cladistic analysis of morphology and the rbcL gene.

4:25 BSA 19.8 GOFFINET, B.*, HEDDERSON, T., SHAW, A.J., and VITT, D.H. Duke University, Durham, NC, University of Reading, England, and the University of Alberta, Edmonton. The phylogenetic relationships among diplolepideous mosses, with special emphasis on the affinities of the Orthotrichales.

4:50 BSA 19.9 DE LUNA, EFRAIN*, NEWTON, ANGELA, WITHEY, ALISON, and GONZALEZ, DOLORES. Instituto de Ecologia, Mexico, Smithsonian Institution, Washington, DC, and Duke University, Durham, NC. The transition to moss pleurocarpy: a phylogenetic analysis based on rbcL sequences and morphology.

5:15 Discussion: Future directions for bryophyte phylogeny.


SESSION 20

SYMPOSIUM: Plant morphology - Theory and practice. A tribue to Rolf Sattler and his work. Developmental and Structural section, BSA, and Structure and Development Section, CBA/ABC. Organized by DICKINSON, TIMOTHY A., Center for Biodiversity and Conservation Biology, Royal Ontario Museum, 100 Queen's Park, Toronto, Ontario M5S 2C6 (416/586-8032) <timd@rom.on.ca>; GERRATH, JEAN M., Department of Biology, University of Northern Iowa, Cedar Falls, IA 50614-0421 (319/273-7152) <gerrath@cobra.uni.edu>; and POSLUSZNY, USHER; Department of Botany, University of Guelph, Guelph, ON N1G 2W1 (519/824-4120 rxt. 2745) <uposlusz@uoguelph.ca>.

1:00 BSA 20.1 DICKINSON, TIMOTHY A., GERRATH, JEAN M., and POSLUSZNY, USER. Royal Ontario Museum, Toronto; University of Northern Iowa, Cedar Falls; and University of Guelph, ON. Introduction.

1:10 BSA 20.2 CRANE, PETER R. Field Museum of Natural History, Chicago, IL. Transformational homology and processes of morphological diversification in land plants.

1:40 BSA 20.3 TOMLINSON, P. BARRY. Harvard Forest, Petersham, MA. Process morphology in conifer reproduction.

2:10 BSA 20.4 RUTISHAUSER, ROLF. Institut fur Systematische Botanik, Zurich, Switzerland. The morphological significance of misfits in vascular plants.

2:40 Recess

3:00 BSA 20.5 KIRCHOFF, BRUCE. University of North Carolina, Greensboro. Toward a holistic biology.

3:30 BSA 20.6 GREEN, PAUL. Stanford University, Stanford, CA. Mechanism of pattern formation in plants - A central role for biophysics.

4:00 BSA 20.7 BOWMAN, JOHN. University of California, Davis. Developmental genetics of flower pattern formation.

4:30 BSA 20.8 Discussion. BARABE, DENIS, Jardin Botanique du Montreal, PQ. Moderator.


SESSION 21

Presiding: HERR, JOHN M., JR., Department of Biological Sciences, University of South Carolina, Columbia, SC 29208 (803/777-8110) <herr@biol.scarolina.edu>.

CONTRIBUTED PAPERS: Pollination to embryo. Developmental and Structural Section, BSA, and Structure and Development Section, CBA/ABC.

1:00 BSA 21.1 HERR, JOHN M., JR. University of South Carolina, Columbia. A case for helobial type endosperm development in Arabidopsis thaliana (L.) Heynh.

1:15 BSA 21.2 HERR, JOHN M., JR.*, CZAKO, MIHALY, and MARTON, LASZLO. University of South Carolina, Columbia. Developmental features of flowers from shoots produced in vitro from roots of Arabidopsis thaliana (RLD ecotype).

1:30 BSA 21.3 RAMESAR-FORTNER, NICOLE* and YEUNG, EDWARD C. University of Calgary, AB. The effects of an auxin polar transport inhibitor, triiodobenzoic acid, on Brassica pollen embryo development.

1:45 BSA 21.4 MANDERS, ERIKA D.* and OWENS, JOHN N. University of Victoria, BC. Reproductive biology of Taxus brevifolia (Pacific yew) from pollination to proembryo development.

2:00 BSA 21.5 CHANDLER, LUKE M.* and OWENS, JOHN N. University of Victoria, BC. The involvement of moisture in the pollination mechanism of Pacific silver fir (Abies amabilis).

2:15 Recess

2:30 BSA 21.6 WILSON, VIVIENNE R.* and OWENS, JOHN N. University of Victoria, BC. Reproductive biology of Podocarpus totara D. Don. ex Lambert (totara).

2:45 BSA 21.7 WEBER, MARLIES*, RENZAGLIA, KAREN S., PASS, JASON M., and GARBARY, DAVID J. St. Francis Xavier University, Antogonish, NS, and Southern Illinois University, Carbondale. Actin and nuclear shaping during spermatogenesis in a liverwort, moss, and lycophyte.

3:00 BSA 21.8 GROB, JAMES A.*, CARLSON, WILLIAM C., GOODWIN, J. BRAD, and SALATAS, KATHERINE M. Weyerhaeuser Company, Tacoma, WA. An anatomical and dimensional model of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) embryo development.

3:15 BSA 21.9 SAGE, TAMMY*, STRUMAS, FANNY, COLE, BILL, and BARRETT, SPENCER. University of Toronto, ON. Characterization of self- and cross-pollen tube growth in Narcissus triandrus (Amaryllidaceae), a species suspected of exhibiting late-acting or ovarian self-incompatibility.

5:00 - 7:00 MIXER AND BUSINESS MEETING. Development and Structural section, BSA. FRIEDMAN, WILLIAM C., Chairperson.


SESSION 22

Presiding: ANTLFINGER, ANN E. Biology Department, University of Nebraska at Omaha, 60th and Dodge Streets, Omaha, NE 68182 (402/554-2256) <eantl@unomaha,edu>.

CONTRIBUTED PAPERS: Demography and Seedling Establishment. Ecological Section. Joint session with the Canadian Botanical Society (CBA/ABC).

1:30 BSA 22.1 ANTLFINGER, ANN E. University of Nebraska, Omaha. A decade of demography on a Nebraska population of Panax quinquefolium.

1:45 BSA 22.2 WEBER, EWALD* and D'ANTONIO, CARLA. University of California, Berkeley. Phenotypic plasticity of hybridizing Carpobrotus spp.(Aizoaceae).

2:00 BSA 22.3 FINNEY, TANYA E.* and FENSTER, CHARLES B. University of California, Irvine and University of Maryland, College Park. Ecological and reproductive factors limiting ecotype distribution in Chamacrista fasciculata.

2:15 BSA 22.4 FESSEL, KEITH E. and MIDDLETON, BETH A. Southern Illinois University, Carbondale. Seedling establishment of bald cypress swamp species buried by varying depths of sediment.

2:30 BSA 22.5 HICKS, DAVID J., ESTUPIÑAN, SABRINA and MAUCHAMP, ANDRE. Manchester College, N. Manchester, IN, Guayaquil, Ecuador, and Station Biologique de la Tour du Valat, Le Sambuc, Arles, France. Reproductive biology of Opuntia echios var. gigantea (Cactaceae), a Galapagos endemic.

2:45 BSA 22.6 DEMCHIK, MICHAEL C. Pennsylvania State University, University Park. Using logistic analysis methods to model success of planted Quercus rubra seedlings in response to pre-planting treatments.

3:00 BSA 22.7 ROBINSON, WILLIAM A., LISTON*, AARON, DESCHER, PAUL S. and SVEJCAR, TONY. Oregon State University, Corvallis, and USDA-ARS Eastern Oregon Agricultural Research Center, Burns. Using ISSR markers to quantify clonal and sexual reproduction in Festuca idahoensis (Poaceae).


SESSION 23

Presiding: NOSKO, PETER, Nipissing University, North Bay, ON.

CONTRIBUTED PAPERS: Applied Ecology, community ecology, and competitive interactions. Ecological Section. Joint session with the Canadian Botanical Society (CBA/ABC).

1:30 BSA 23.1 KOHLI, R. K.* and JALOTA, RAJESH K. Panjab University, Chandigarh, India. Status of phytodiversity in two mix plantations of Eucalyptus with leguminous trees.

1:45 BSA 23.2 KOHLI, R. R. and TUNG, PARIANA*. Panjab University, Chandigarh, India and University of Calgary, AB. Phytotoxic action and identification of soil chemicals of sunflower.

2:00 BSA 23.3 DARLINGTON, ALAN B.* and DIXON, MICHAEL. University of Guelph, Ontario. The use of a complex ecosystem to remove indoor air contamination.

2:15 BSA 23.4 KEIFFER, CAROLYN HOWES*, OWENS, CHARLENE K. and MCCARTHY, BRIAN C. Miami University, Oxford, OH. Phytoremediation of saline impacted soil.

2:30 BSA 23.5 WHITE, DANIEL R.* and VANDERPOOL, STARIA S. Arkansas State University, State University. A comparison of vegetative growth vs. reproductive effort as an appropriate measure of aluminum phytotoxicity in Brassica rapa (Brassicaceae).

2:45 BSA 23.6 VANDERPOOL, STARIA* and WHITE, DANIEL R. Arkansas State University, State University. The effect of acid and aluminium on reproductive effort in Brassica rapa (Brassicaceae).

3:00 BSA 23.7 DECH, JEFFERY P*. and NOSKO, PETER. Nipissing University, North Bay, ON. Response of the invasive plant purple loosestrife to herbivory by released European beetles in northern Ontario.

3:15 BSA 23.8 POTTER, KELLY* and LOVETT-DOUST, LESLEY. University of Windsor, ON. Vallisneria americana (American wild celery) as a biomonitor of site quality in the Great Lakes 'Area of Concern.'

3:30 BSA 23.9 ESTINE, LUNIQUE* and RIER, JOHN P., JR. Howard University, Washington, DC. A comparative study of polychlorinated biphenyl (PCB) metabolism by different plant species in vitro.

3:45 BSA 23.10 CHEPLICK, GREGORY P. The College of Staten Island, City University of New York. The phalanx-guerrilla growth form continuum in a clonal plant and its relation to competitive ability.

4:00 BSA 23.11 CORNEJO, DENNIS O.* and SIMPSON, BERYL B. University of Texas, Austin. Composition of species assemblages and character state transitions in North American columnar cacti, tribe Pachycereeae.

4:15 BSA 23.12 WINSTEAD, JOE E. Morehead State University, KY. Thirty-nine years of succession on a coal spoil bank in southern Ohio.

4:30 BSA 23.12 HEBBERGER, JO ANN* and HARTMAN, JEAN MARIE. Rutgers University, New Brunswick, NJ. Effects of soil amendments on mycorrhizal associations in old-field succession.

4:45 BSA 23.13 FRANCKO, DAVID A.*, WHYTE, ROBERT S., VANCE, HEATHER D. and DEGROFT, KATHLEEN L. Miami University, Oxford, OH. Biotic and abiotic factors affecting species composition and patch dynamics in Great Lakes coastal wetlands dominated by Nelumbo lutea (American lotus).


SESSION 24

Presiding: WILSON, KENNETH G., Department of Botany, Miami University, Oxford, OH 45056 (513/529-6601) <wilsonkg@muohio.edu>.

CONTRIBUTED PAPERS: Molecular Genetics, Molecular Phylogenetics and Cytogenetics. Genetics Section. Joint session with the Canadian Botanical Association (CBA/ABC).

1:30 BSA 24.1 ASHTON, NEIL W.* and CHAMPAGNE, CONNIE E. M., University of Regina, SK. High frequency genetic transformations of Physcomitrella patens possess an autonomously replicating, extrachromosomal, concatemeric, transgenic element.

1:45 BSA 24.2 TSANG, EVELYN and SCHOEN, DANIEL. McGill University, Montreal,PQ. Transposon accumulation in self-fertilizing and outcrossing populations of Amsinckia (Boraginaceae)

2:00 BSA 24.3 DONG, FUGUI, WILSON, KENNETH*, QIU, YIN-LONG, and PALMER, JEFFERY. Miami University, OH and Indiana University, Bloomington. Sequence analysis of the first intron in the mitochondrial gene cox2 and its application in phylogenetic study.

2:15 BSA 24.4 LAROCHE, JEROME*, LI, PENG, MAGGIA, LAURENT, and BOUSQUET, JEAN. Universite Laval, Ste. Foy, PQ. Molecular evolution of angiosperm mitochondrial introns and exons.

2:30 BSA 24.5 CHAN, M.C. and SUN, MEI*. University of Hong Kong. RAPD and chloroplast DNA evidence for allopolyploid speciation of Spiranthes hongkongensis (Orchidaceae).

2:45 BSA 24.6 GUADALUPE, PALOMINO and SOUSA, MARIO. Ciudad Universitaria, Mexico. Variation in DNA content of species of Lonchocarpus (Leguminosae).

3:00 BSA 24.7 MARTINEZ, JAVIER and GUADALUPE, PALOMINO. Ciudad Universitaria, Mexico. Cytotypes in species of Echeandia (Liliaceae) produced by translocations, deletions, and heterozygotic exchanges.

3:15 BSA 24.8 CHAPMAN, MICHAEL and MULCAHY, DAVID. University of Massachusetts, Amherst. Effect of genome-plastome interaction on meiosis and pollen development in Oenothera species and hybrids.

3:45 BUSINESS MEETING: Genetics Section.

HAUBER, DONALD, presiding.


SESSION 25

POSTER SESSION. Mycological section. Joint session with the Canadian Botanical Association (CBA/ABC).

BSA 25.1 BAGO, BERTA*, AZCON-AGUILAR, CONCEPCION and PICHE, YVES. Universite Laval, Ste. Foy, PQ and Estacion Experimental del Zaid'n. The extraradical mycelium of arbuscular mycorrhizal fungi: colony architecture and developmental dynamics.

BSA 25.2 FILION, MARTIN*, ST-ARNAUD, MARC and FORTIN, J. ANDRE. Universite de Montreal et Jardin Botanique de Montreal, PQ. Effect of soluble substances released by the extraradical myceolium of the VAM fungus Glomus intraradices on the growth of different rhizosphere microorganisms in an in vitro system.

BSA 25.3 LARRYA, LUIS M.*, SANTOS, CRUZ, PISABARRO, GERARDO and RAMIREZ, LUCIA. Universidad Publica de Navarra. Linkage map in Pleurotus ostreatus.

BSA 25.4 LARRYA, LUIS M.*, SANTOS, CRUZ, PISABARRO, GERARDO and RAMIREZ, LUCIA. Universidad Publica de Navarra. Homokaryotic fruiting and mating genetics in Pleurotus ostreatus.

BSA 25.5 VUJANOVIC, VLADIMIR, ST-ARNAUD, MARC and NEUMANN, PETERJURGEN. Universite de Montreal et Jardin Botanique de Montreal, PQ. Biodiversity inventories of fungi taxa associated with three different pine crown ecological niches in the Jardin Botanique de Montreal (JBM).

BSA 25.6 VUJANOVIC, VLADIMIR, ST-ARNAUD, MARC and NEUMANN, PETERJURGEN. Universite de Montreal et Jardin Botanique de Montreal, PQ. Choanatiara lunata DiCosmo & Nag Raj on autochtonous and allocthonous Pinus species in Canada.


SESSION 26

Presiding: TAYLOR, WILSON A. Department of Biology, Phillips Hall, University of Wisconsin, Eau Claire, WI 54702-4004 (715/836-3176) <taylorw@uwec.edu>.

CONTRIBUTED PAPERS: Isabel Cookson Student Award Session (Part II, # = student presentation). Paleobotanical Section. Joint session with the Canadian Botanical Association (CBA/ABC).

1:30 BSA 26.1 LUPIA, RICHARD#. University of Chicago, IL. Angiosperm provinciality in the Cretaceous of North America.

1:45 BSA 26.2 VAN BOSKIRK, M. CRAIG#. Yale University, New Haven, CT. The paleofloristics and systematic character of the Cretaceous (Lower Campanian) Eagle Formation, Wyoming and Montana, U.S.A.

2:00 BSA 26.3 RODRIGUEZ-DE LA ROSA, RUBEN A.#*, and CEVALLOS-FERRIZ, SERGIO R.S. Ciudad Universitaria, and Instituto de Geologia, Del. Coyoacan, Mexico. Plant-animal interactions during the Late Cretaceous: an example from the Cerro del Pueblo Formation (Campanian) of southeastern Coahuila, Mexico.

2:15 BSA 26.4 BERALDI-CAMPESI, HUGO B.#*, CHACON-BACA, ELIZABETH, and CEVALLOS-FERRIZ, SERGIO R.S. Ciudad Universitaria, and Instituto de Geologia, Del. Coyoacan, Mexico. Microfossils of an Upper Cretaceous (Campanian) vulcano-sedimentary sequence in Sonora, Mexico.

2:30 BSA 26.5 HOUSE, RUSSELL F.#* and HIGGINBOTHAM, JERI W. Jacksonville State University,AL. C.C. Pond, a Quaternary pollen sequence from Talladega County, Alabama.

2:45 Recess

3:00 BSA 26.6 TAYLOR, WILSON A. University of Wisconsin, Eau Claire. Cryptospore wall ultrastructure - summary and significance.

3:15 BSA 26.7 BERRY, CHRISTOPHER M.*, CORDI, JENNIFER, and STEIN WILLIAM E. University of Wales, Cardiff, and Binghampton University, UK. Morphological models of Devonian Iridopteridales.

3:30 BSA 26.8 NIKLAS, KARL J. Cornell University, Ithaca, NY. A biomimetic model for early land plant evolution.

3:45 BSA 26.9 MEYER-BERTHAUD, BRIGITTE*, WENDT, JOBST, and GALTIER, JEAN. Universite Montpellier II,France and Institut und Museum fur Geologie und Palaontologie des Universitat, Tubingen, Germany. First record of a diverse assemblage of Callixylon from the Upper Devonian of Gondwana.

4:00 Recess

4:15 BSA 26.10 SCHECKLER, STEPHEN E.*, SNIGIREVSKAYA, NATALIA S., and HILL, STEWART A. Virginia Polytechnic Institute and State University, Blacksburg, and Komarov Botanical Institute, Saint Petersburg, Russia. Endosporic gametophytes of the heterosporous Late Devonian (Frasnian) progymnosperm Archaeopteris archetypus (= A. obtusa).

4:30 BSA 26.11 CAI, CHONGYANG, CHITALEY, SHYA*, and DOU, YAWEI. Academica Sinica, Nanjing, China, Cleveland Museum of Natural History, OH, and National Bureau of Oceanography, Xiamen, China. Studies on some permineralized lycopsid remains from Upper Devonian of North Xinjiang, NW China.

4:45 BSA 26.12 CHITALEY, SHYA* and LI, CHENG-SEN. Cleveland Museum of Natural History, OH, and Institute of Botany, Beijing, China. A herbaceous lycopsid recovered from the Upper Devonian Cleveland shale of Ohio, U.S.A.


SESSION 27

POSTER SESSION: Plant Physiology. Physiological Section. Joint session with the Canadian Botanical Association (CBA/ABC). Posters will be available for viewing from 9 a.m. to 5 p.m. Authors will be available to discuss their presentations from 1:00 p.m. - 3:00 p.m.

BSA 27.1 BALSAMO, RONALD A.; GELETEI, STEPHANIE D. and WISNIEWSKI, MICHAEL. Chatham College, Pittsburgh, PA, and USDA-ARS Kearneysville, WV. Seasonal expression of a 16 kd protein in current-year shoots of Prunus persica (L. Batch) cv. Loring (Rosaceae).

BSA 27.2 FREDEEN, ART L. University of Northern British Columbia., Prince George. Approaches and early results in the study of the importance of overstory composition and density on the growth and physiology of subordinate conifer in northern British Columbia.

BSA 27.3 LATCHEZAR, PETROV, TREMBLAY, M.-FRANCINE and LALIBERTE, SYLVIE. GREF, Universite du Quebec a Montreal, and Universite du Quebec en Abitibi-Temiscamingue. Growth and nitrate reductase activity in jack pine (Pinus banksiana Lamb.) cell suspensions exposed to different nitrogen treatments in light and darkness.

BSA 27.4 LIN, JOHN C. Harvard University, Cambridge, MA. Water relations of cotton flowers.

BSA 27.5 MEISSNER, SCOTT T. McKendree College, Lebanon, IL. Water potential measurements of the storage parenchyma tissue and xylem solution of red beets (Beta vulgaris) suggests apoplastic discontinuity between the conducting xylem and sink areas.

BSA 27.6 MIRANDA, JACINTHA A.; KATHIRESAN, A.; REID, DAVID M and CHINNAPPA, C.C. University of Calgary, AB. Effect of - aminobutyric acid (GABA) on stem elongation in Stellaria longipes (Caryophyllaceae).

BSA 27.7 OUTWATER, JOHN O.; LINTILHAC, PHILIP M and TAYLOR, HOLLY R. University of Vermont, Burlington. A hand held instrument for field determination of turgor pressure in plant organs.

BSA 27.8 MARKEY-RETTIG, AMY and HUERTA, ALFREDO J. Miami University, Oxford, OH. Effects of light intensity on photosynthesis, transpiration, leaf optical properties, and epicuticular wax load in two isogenic lines of Sorghum bicolor (L.) Moench differing in epicuticular wax production.

BSA 27.9 TAYLOR, HOLLY R.; OUTWATER, JOHN O. and LINTILHAC, PHILIP M. University of Vermont, Burlington. A microscope-based method for the determination of turgor pressures in plant cells.


SESSION 28

CONTRIBUTED PAPERS: Fern Reproductive Biology and Controls. Pteridological section. Joint session with AFS session 2 and with the Canadian Botanical Association (CBA/ABC).

4:00 BUSINESS MEETING: Pteridological Section.

SMITH, ALAN R., presiding.


SESSION 29

Presiding: JOHNSON, EMANUEL L., United States Department of Agriculture ARS, Weed Science Laboratory, Beltsville, MD 20705-2350 (301-504-5323).

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

3:00 BSA 29.1 DAIZY BATISH, KOHLI, R. K., SINGH, H. P. and SAXENA, D. B.*. Punjab University, Chandigarh, India and Indian Agricultural Research Institute, New Delhi. Exploitation of parthenin extracted from Parthenium hysterophoros for selective weed control.

3:15 BSA 29.2 JOHNSON, EMANUEL L.*, SCHMIDT, WALTER L. and NORMAN, HELEN A. USDA ARS Weed Science Laboratory, BARC-W Beltsville, Maryland. Leaf flavonoids as chemotaxonomic markers for two Erythroxylum taxa.

3:30 BSA 29.3 SEILER, GERALD J. USDA ARS, Northern Crop Science Laboratory, Fargo, ND. Fatty acid composition of oil from achenes of Helianthus species form Canada.

3:45 BSA 29.4 JOHNSON, EMANUEL L. *, SCHMIDT, WALTER L. and NORMAN, HELEN A. USDA ARS Weed Science Laboratory, BARC-W Beltsville, Maryland. Flavonoids as chemotaxonomic markers for Erythroxylum taxa: E. c. var. ipadu and E. n. var. truxillense.

4:00 BUSINESS MEETING: Phytochemical Section.

WALLACE, JAMES W., Chairperson.


SESSION 30

CONTRIBUTED PAPERS: Gymnosperms. Systematics section. Joint session with ASPT session 5 and with the Canadian Botanical Association (CBA/ABC).


SESSION 31

CONTRIBUTED PAPERS: Asteraceae. Systematics section. Joint session with ASPT session 6 and with the Canadian Botanical Association (CBA/ABC).


SESSION 32

CONTRIBUTED PAPERS: General. Systematics section. Joint session with ASPT session 7 and with the Canadian Botanical Association (CBA/ABC).

5:25 BUSINESS MEETING: Systematics Section.

KRON, KATHLEEN A., presiding.


SESSION 33

Presiding: KRAMER, DAVID. W.

SYMPOSIUM: WIRED Biology: Using Computers and the Internet to Enhance Teaching and Learning. Part II. Teaching Section. Joint Session with AIBS and with the Canadian Botanical Association (CBA/ABC). Co-sponsored by Benjamin/ Cummings Publishing Co., a division of Addison Wesley Longman. Organized by KRAMER, DAVID W., Department of Plant Biology, The Ohio State University, Mansfield, OH 44906 (419/755-4344) <kramer.8@osu.edu>.

1:15 BSA 33.1 KRAMER, DAVID W. The Ohio State University, Mansfield. Introduction.

1:25 BSA 33.2 SEEBURG, DIERK. Arizona State University, Tempe. Integration of technology tools in a biology laboratory environment.

2:00 BSA 33.3 STARRETT, DAVID* and GATHMAN, ALLEN. Southeast Missouri State University, Cape Girardeau. Interactive Web pages as supplementary class materials.

2:35 Recess

2:45 BSA 33.4 INGEBRITSEN, THOMAS*, BROWN, GEORGE, PLEASANTS, JOHN, and ANDREWS, ROBERT. Iowa State University, Ames. Teaching biology on the Internet.

3:20 BSA 33.5 ESVELT, KATHY L., FUENTES-GRANADOS, ROGER G., WIDRLECHNER, MARK P. and BRETTING, PETER K.* USDA and Iowa State University, Ames. Adapting the content of a traditional course for delivery via the World Wide Web (WWW).

3:55 Recess

4:05 BSA 33.6 RUSSELL, SCOTT D. University of Oklahoma, Norman. Construction and maintenance of Internet sites: Rewards and drawbacks.

4:40 Roundtable Discussion.


MONDAY EVENING, 4 AUGUST 1997

6:00 MIXER: Paleobotanical Section.

7:00 DINNER and AUCTION: Paleobotanical Section.


SESSION 34

Presiding: WILSON, KENNETH G., Department of Botany, Miami University, Oxford, OH 45056 (513/529-6601) <wilsondg@muohio.edu>.

SPECIAL LECTURE: Mitochondrial genome evolution and land plant phylogeny. BSA Genetics Section. Joint session with the Canadian Botanical Association (CBA/ABC).

7:30 BSA 34.1 WILSON, KENNETH G. Miami University, Oxford, OH. Introduction.

7:40 BSA 34.2 QIU, YIN-LONG* and PALMER, JEFFREY. Indiana University, Bloomington. Mitochondrial genome evolution and land plant phylogeny.



SESSION 35

Presiding: KRAMER, DAVID. W.

SYMPOSIUM: WIRED Biology: Using Computers and the Internet to Enhance Teaching and Learning. Part III. Teaching Section. Joint Session with AIBS and with the Canadian Botanical Association (CBA/ABC). Co-sponsored by Benjamin/ Cummings Publishing Co., a division of Addison Wesley Longman. Organized by KRAMER, DAVID W., Department of Plant Biology, The Ohio State University, Mansfield, OH 44906 (419/755-4344) <kramer.8@osu.edu>.

8:00 ELECTRONIC POSTER SESSION. Presenters will be on location from 8:00 p.m.to 10:00 p.m. They will be available for hands-on demonstrations of hardware and software actually used in their lecture halls and laboratories. They will answer questions about the availability of the technology as well as the advantages and disadvantages of computer applications as compared with more traditional approaches. Most of them are also presenters in Parts I and II of this symposium.

BSA 35.1 BEATTIE, RUTH E. University of Kentucky, Lexington. Technology in the classroom: Suggestions for assuring success.

BSA 35.2 DICKINSON, TIMOTHY A.*, MEIKLE, SIAN and PAVACIC, ANDREW. Royal Ontario Museum, Toronto and University of Toronto, ON. Vascular plant families, the World Wide Web, and PollyClave: Tools for interactive learning.

BSA 35.3 ESTILL, JAMES C.* and McFARLAND, KENNETH D. University of Tennessee, Knoxville. Use of the Internet as an information resource and study guide in an introductory botany course.

BSA 35.4 ESVELT, KATHY L., FUENTES-GRANADOS, ROGER G., WIDRLECHNER, MARK P., and BRETTING, PETER K.* USDA and Iowa State University, Ames. Adapting the content of a traditional course for delivery via the World Wide Web (WWW).

BSA 35.5 HINTZE, KIRSTEN, SOMMERFELD, MILTON, STUTZ, JEAN, and ROBERSON, ROBERT. Arizona State University, Tempe. Multimedia design: Suggestions from development of a learning module in phycology.

BSA 35.6 INGEBRITSEN, THOMAS*, BROWN, GEORGE, PLEASANTS, JOHN, and ANDREWS, ROBERT. Iowa State University, Ames. Teaching biology on the Internet.

BSA 35.7 KRAMER, DAVID W. The Ohio State University, Mansfield. Design for a plant biology multimedia learning center.

BSA 35.8 RUSSELL, SCOTT D. University of Oklahoma, Norman. Construction and maintenance of Internet sites: Rewards and drawbacks.

BSA 35.9 SEEBURG, DIERK. Arizona State University, Tempe. Integration of technology tools in a biology laboratory environment.

BSA 35.10 SNOW, MICHAEL* and UMBANHOWAR, CHARLES. University of Portland,OR and St.Olaf College, Northfield, MN. Investigative laboratory exercises in plant anatomy and morphology using video imaging technology.

BSA 35.11 SODERBERG, PATTI and STANLEY, ETHEL*. BioQUEST Curriculum Consortium, Beloit College, Beloit, WI. Collaborative investigation with strategic simulations.

BSA 35.12 STARRETT, DAVID* and GATHMAN, ALLEN. Southeast Missouri State University, Cape Girardeau. Interactive Web pages as supplementary class materials.