Revision of the cerrado hemicryptophytic Chamaesyce of Boissier's “Pleiadeniae” (Euphorbiaceae) Mark P. SimmonsW. John Hayden Articles Pages: 155 - 180
Phoradendron olae Kuijt, a new species from Mexico pivotal in the taxonomy of the genus, with comments on P. californicum Nutt. Job Kuijt Articles Pages: 181 - 188
Lectotypification and synonymy of the names Solanum mozinianum Dunal and Solanum uniflorum Sessé & Moçiño Ellen A. Dean Articles Pages: 192 - 196
The herbarium of Paul A. Fryxell (pf) and U.S. Department of Agriculture, College Station, Texas, integrated into The New York Botanical Garden Herbarium (NY) Thomas A. Zanoni Articles Pages: 197 - 203
Ficus lacunata (Moraceae), a new species from pluvial montane forest of northwest Ecuador Trond Arne Kvitvik Articles Pages: 270 - 273
The Wild Orchids of California. By Ronald A. Coleman Eric A. Christenson Book Review Pages: 273 - 273
Two new species of Costus (Costaceae) from Costa Rica Paul J. M. MaasHiltje Maas van de Kamer Articles Pages: 274 - 279
Index to American Botanical Literature William R. BuckScott V. HealdThomas A. Zanoni Announcement Pages: 280 - 301