A new species of Tapirira (Anacardiaceae) from the Isthmus of Tehuantepec, Mexico Tom WendtJohn D. Mitchell Articles Pages: 101 - 108
Systematic wood anatomy of the genus Tapirira Aublet (Anacardiaceae)— a numerical approach Teresa TerrazasTom Wendt Articles Pages: 109 - 129
New evidence for the systematic significance of acylated spermidines and flavonoids in pollen of Higher Hamamelidae Barbara Meurer-Grimes Articles Pages: 130 - 142
Two new species of Sauroglossum (Orchidaceae) from Peru and Brazil Dariusz L. Szlachetko Articles Pages: 143 - 146
A brief history of the Wellesley College Herbarium (WELC) and a list of its type specimens of vascular plants now deposited at The New York Botanical Garden Herbarium (NY) Thomas A. ZanoniEileen A. Whalen Articles Pages: 147 - 155
Calathea maasiorum (Marantaceae), a new species from French Guiana and Surinam Helen Kennedy Articles Pages: 156 - 159
A taxonomic study of Salix section Cordatae subsection Luteae (Salicaceae) Robert D. Dorn Articles Pages: 160 - 174
Two new species and new records for Pteris (Pteridaceae) from Colombia Alba L. Arbeláez Articles Pages: 175 - 181
New species of Peruvian Orchidaceae III David E. BennettEric A. Christenson Articles Pages: 182 - 209
New World Podostemaceae: Ecological and evolutionary enigmas C. Thomas PhilbrickAlejandro Novelo R. Articles Pages: 210 - 222