TUESDAY AFTERNOON, 4 AUGUST 1998

NOON BUSINESS MEETING AND LUNCHEON: Ecological Section. Tickets required for catered lunch or bring your own. Casper, Brenda, presiding.


SESSION 31

Presiding: DOUGLAS, ANDREW W. Botany Department, Field Museum, Roosevelt Rd at Lake Shore Drive, Chicago, IL 60605. 312-922-9410 ext. 730, douglas@fmnh.org.

CONTRIBUTED PAPERS: Fruits, seeds and other reproductive structures. Developmental and Structural section.

1:00 BSA 31.1 MELOCHE, CHRISTOPHER G.* AND PAMELA K. DIGGLE. University of Colorado, Boulder. Developmental preformation of Acomastylis rossii (Roseaceae) in contrasting alpine tundra sites.

1:15 BSA 31.2 WILLIAMS, GEOFFREY L.* AND KAREN L. KLOMPARENS. Michigan State University, East Lansing. Reconstructing the ovuliferous scale in Picea pungens to examine the mechanisms surrounding pollination drop secretion.

1:30 BSA 31.3 HAYCRAFT, COURTNEY J.* AND JEFFREY S. CARMICHAEL. University of North Dakota, Grand Forks. Development of ovules on bisexual strobili of Gnetum gnemon.

1:45 BSA 31.4 FLOYD, SANDRA K.*, VERONICA T. LERNER, AND WILLIAM E. FRIEDMAN. University of Colorado, Boulder. Endosperm development in Platanus racemosa, a basal eudicot.

2:00 BSA 31.5 LI, XIAOJIE*, J.M. BASKIN, AND C.C. BASKIN. University of Kentucky, Lexington. Morphology and physiology of fruit and seed growth and development in two bird-dispersed shrubs, Rhus aromatica and R. glabra (Anacardiaceae).

2:15 BREAK

2:30 BSA 31.6 MOODY, AMBER*, PAMELA K. DIGGLE, AND DAVID A. STEINGRABER. University of Colorado, Boulder and Colorado State University, Fort Collins. Architectural and developmental analysis of the vegetative propagule of Mimulus gemmiparus (Scrophulariaceae).

2:45 BSA 31.7 HUFFORD, LARRY. Washington State University, Pullman. The evolution of fruits in the Hydrangeaceae.

3:00 BSA 31.8 STEVENSON, DENNIS W.* AND ANDREW W. DOUGLAS. New York Botanical Gardens, Bronx and The Field Museum, Chicago, IL. Hülles, ocreas and metamers: vegetative architecture of Platanus revisited.

3:15 BSA 31.9 DOUGLAS, ANDREW W.* AND DENNIS W. STEVENSON. Field Museum, Chicago, IL and New York Botanical Gardens, Bronx. The reproductive architecture of Platanaceae: evolutionary transformations based on fossil and extant evidence.


SESSION 32

Presiding: FRIEDMAN, WILLIAM E., Department of EPO Biology, University of Colorado, Boulder, CO 80309. 303-492-3082, ned@colorado.edu.

SPECIAL LECTURE: Symmetry in flowers - Diversity and evolution. Developmental and Structural section.

4:00 BSA 32.1 FRIEDMAN, WILLIAM E. University of Colorado, Boulder. Introduction.

4:05 BSA 32.2 ENDRESS, PETER K. Institute of Systematic Botany, University of Zurich. Symmetry in flowers - diversity and evolution.


SESSION 33

Presiding: WARD, SHIELA E., International Institute of Tropical Forestry, USDA Forest Service, PO Box 25000, Rio Piedras, Puerto Rico 00928-5000, 787/766-5335, email: .seward@caribe.net.

CONTRIBUTED PAPERS: Tropical Ecology. Ecological and Tropical Biology sections.

2:00 BSA 33.1 WARD, SHEILA E.* AND LUGO, ARIEL E. International Institute of Tropical Forestry, USDA Forest Service, Rio Piedras, Puerto Rico. A reciprocal transplant study of Nineteen Populations from the three species of mahogany planted in an array of life zones in Puerto Rico.

2:15 BSA 33.2 ERCELAWN*, AYESHA, LA FRANKIE**, JAMES V., LUM**, SHAWN K.Y., AND LEE*, SING KONG. * National Institute of Education, Singapore, **and Center for Tropical Forest Science, National Institute of Education, Singapore. Short-term recruitment of trees in a forest fragment in Singapore.

2:30 BSA 33.3 PANERO, JOSE L.*, DAVILA ARANDA, PATRICIA, CALZADA, ISMAEL, AND SKENDZIC, ELIZABETH. The University of Texas, Austin, ENEP Iztacala, , Tecnologiay Prototipos, Los Reyes, Iztacala, Mexico, and Milwaukee Public Museum, WI. The Flora of Juxtlahuaca, northwestern Oaxaca state, Mexico.

2:45 BSA 33.4 GIVNISH, THOMAS J. University of Wisconsin, Madison. On the causes of gradients in tropical tree diversity: making the Janzen-Connell hypothesis context-specific.

3:00 BSA 33.5 SAWYER, NEIL W.* AND ANDERSON, GREGORY J. University of Connecticut , Storrs. Dioecy in South American Deprea (Solanaceae).

3:15 BSA 33.6 RAMIREZ-SOSA, CARLOS R.* AND KINCAID, DWIGHT T. The City University of New York, Bronx. Tree Species Diversity in Forest Fragments in El Imposible National Park, El Salvador, C.A.


SESSION 34

Presiding: LENTZ, DAVID, New York Botanical Garden, Bronx, NY 10458; 314/577-9503, e-mail: dlentz@nybg.org.

SPECIAL LECTURE: Flower power: Research, development, and economics. Economic Botany section.

12:45 BSA 34.1 LENTZ, DAVID, presiding.

12:50 BSA 34.2 ELIAS, THOMAS S., U.S. National Arboretum, Washington, DC. Flower power: Research, development, and economics.

1:30 PM Business meeting: Economic Botany section. LENTZ, DAVID L., presiding.


SESSION 35

Presiding: LENTZ, DAVID L., Graduate Studies Program, The New York botanical Garden, Bronx, NY 10458, 718/817-8171, email:dlentz@nybg.org.

Contributed papers. Economic Botany and Historical (35.11) sections.

2:15 BSA 35.1 LAMONT, SUSAN R.*; ESHBAUGH, W. H., and GREENBERG, ADOLPH. Miami University, Oxford, OH. Species composition, diversity, and use of homegardens in three Amazonian villages.

2:30 BSA 35.2 EMSHWILLER, EVE. Cornell University, Ithaca, NY. Ethnobotanical study of factors affecting genetic erosion in cultivated Oxalis tuberosa in Peru.

2:45 BSA 35.3 DURGAN, CYNTHIA*; ESHBAUGH, W. HARDY, and GREENBERG, ADOLPH. Miami University, Oxford, OH. Local plants used in folk medicine, ornament, and foods in Palau.

3:00 BSA 35.4 RAMIREZ-SOSA, CARLOS R *; YATES, SUZANNE, and LENTZ, DAVID L. The City University of New York, Bronx. Rural and urban ethnobotany of Brosimum alicastrum in El Salvador.

3:15 BSA 35.5 RICCARDI, CYNTHIA L. and SALICK, JAN. Ohio University, Athens. Wana indigenous swidden agriculture within the Morowali Nature Reserve of Central Sulawesi, Indonesia.

3:30 Break

3:45 BSA 35.6 HAHN, KATHLEEN E. *; FASULO, PATRICK J., and MOHAMED, KAMAL. SUNY Oswego, Oswego, NY. Solenostemma argel (argel) as a potential source of medicine.

4:00 BSA 35.7 TIPTON, CAMILLE V. The City University of New York, Bronx. Preserving ethnobotanical knowledge among the Huaroni of East Ecuador.

4:15 BSA 35.8 GOMEZ-BELOZ, ALFREDO. The New York Botanical Garden, Bronx. The cultivation and use of ure (Colocasia esculenta (L.) Schott) by the Warao Indians of the Orinoco Delta, Venezuela.

4:30 BSA 35.9 STEPP, JOHN R. University of Georgia, Athens. The healing fallow: medicinal plant habitat preferences of the Highland Maya.

4:45 BSA 35.10 DOWNEY, SUZANNE L *; KARLE, RENATE; IEZZONI, AMY F.; HANCOCK, JAMES F., and EPPERSON, BRYAN K. Michigan State University, East Lansing. Patterns of genetic diversity within and among black cherry (Prunus serotina Ehrh.) population for the U.S., Mexico, and Ecuador.

5:00 BSA 35.11 STUCKEY, RONALD L. The Ohio State University, Columbus. The North American Review: An overlooked source for nineteenth century North American botanical history.


SESSION 36

Presiding: GANDOLFO, MARIA A., L. H. Bailey Hortorium, 462 Mann Library, Cornell University, Ithaca, NY 14853-4301, Tele: (607) 255-8916, Fax: (607) 255-7979, E-mail: <mag4@cornell.edu>.

CONTRIBUTED PAPERS. Paleobotanical section.

1:00 PM INFORMAL PRESENTATIONS. Paleobotanical section.

2:00 PM BUSINESS MEETING: Paleobotanical section. HERENDEEN, PATRICK S., presiding.


SESSION 37

Presiding: STRAUB, PETER F.

SYMPOSIUM: American Beachgrass: An interdisciplinary focus on science and management. Organized by STRAUB, PETER F., Biology Program, Natural Science & Math, Richard Stockton College, Pomona, NJ 08240.

1:30 BSA 37.1 STRAUB, PETER F. Richard Stockton College, Pomona, NJ. Introduction

1:40 BSA 37.2 MAUN, M. ANWAR. University of Western Ontario, London. Population biology of American beachgrass on coastal sand dunes.

2:10 BSA 37.3 SKARADEK, WILLIAM BRYAN. Cape May Plant Materials Center, New Jersey. The USDA Cape May PMC. Research associated with Ammophila breviligulata.

2:45 Break

3:00 BSA 37.4 SELISKAR, DENISE M. University of Delaware, Lewes. Threats to American beachgrass on coastal dunes: pathogens to ponies.

3:30 BSA 37.5 STRAUB, PETER F. Richard Stockton College, Pomona, NJ. Genotyping American Beachgrass (Ammophila breviligulata) with RAPD DNA.

4:00 BSA 37.6 WALKER, PETER J., CATHY A. PARIS*, AND DAVID S. BARRINGTON. University of Vermont, Burlington. Taxonomy and phylogeography of the North American beachgrasses.


SESSION 38

SYMPOSIUM: Conservation biology of Pteridophytes, Part II. Ptreridological section; joint session with the American Fern Society session 3.


SESSION 39

Presiding: GUALA, GERALD F.

SYMPOSIUM: The relation of phylogeny and species distribution to spatial environmental parameters. Systematics section. Organized by Guala, Gerald F., Department of Botany, University of Florida, Gainesville, FL 32611, 352/846-2017, email: stinger@ufl.edu.

1:00 BSA 39.1 GUALA, GERALD F. University of Florida, Gainesville. INTRODUCTION: The relation of phylogeny and species distribution to spatial environmental parameters.

1:15 BSA 39.2 BEAMAN, REED S. University of Florida, Gainesville. Phylogeny of Elatostema (Urticaceae) from Mount Kinabalu, Sabah, Malaysia, and the relationship between distribution and endemicity to environmental characteristics.

2:00 BSA 39.3 CORNEJO, DENNIS O. University of Texas, Austin. Biogeography of North American columnar cacti: mapping phylogeny, morphology, and architecture on environment.

2:45 Break

3:00 BSA 39.4 NIX, HENRY A. Australian National University, Canberra. Modelling plant and animal distributions in Terra Australis (Australia and New Guinea) in space and time.

3:45 BSA 39.5 GUALA, GERALD F. University of Florida, Gainesville. A Revision of Homozeugos (Poaceae: Andropogoneae) and the relationship of spatial environmental variables to distribution and speciation.


SESSION 40

CONTRIBUTED PAPERS: Biogeography, Islands. Systematics section; joint session with the American Society of Plant Taxonomists session 8.


SESSION 41

CONTRIBUTED PAPERS: Molecular. Systematics section; joint session with the American Society of Plant Taxonomists session 9.


5:15-6:00 PM BUSINESS MEETING: Botanical Society of America. DENGLER, NANCY G., presiding.