Garrett E. Crow 
Department of Plant Biology 
University of New Hampshire 
25 Garden Lane 
Durham, NH 03824 
BE. UN. 
Robert B. Faden 
Department of Botany, MRC-166 
National Museum of Natural History 
Smithsonian Institution 
Washington, DC 20560 
BE.UU; 
Peter Goldblatt 
Missouri Botanical Garden 
P. O. Box 299 
St. Louis, MO 63166-0299 
EE. UU. 
Jorge Gémez-Laurito 
Departamento de Biologia 
Universidad de Costa Rica 
Ciudad Universitaria Rodrigo Facio Brenes 
San Pedro de Montes de Oca 
Costa Rica 
Jason R. Grant 
Laboratoire de Phanérogamie 
Institut de Botanique 
Université de Neuchatel 
ch. de Chantemerle 18 
2007 Neuchatel 
Suiza 
Michael H. Grayum 
Missouri Botanical Garden 
P. O. Box 299 
St. Louis, MO 63166-0299 
EE. UU. 
Autores 
Barry E. Hammel 
Missouri Botanical Garden 
P. O. Box 299 
St. Louis, MO 63166-0299 
EE. UU. 
Nancy Hensold 
Department of Botany 
The Field Museum 
Chicago, IL 60605-2496 
EE. UU. 
Helen Kennedy 
Herbarium, Botany Deptartment 
University of British Columbia 
Vancouver, B. C. V6T 1Z4 
Canada 
W. John Kress 
Department of Botany, MRC-166 
National Museum of Natural History 
Smithsonian Institution 
Washington, DC 20560 
EE. UU. 
Paul J. M. Maas 
Herbarium Division 
Department of Plant Ecology and Evolutionary 
Biology 
Heidelberglaan 2 
P. O. Box 80102 
3508 TC Utrecht 
Holanda 
