Four new diplostemonous species of mimosa (Mimosaceae) from Paraguay and eastern Bolivia Rupert C. BarnebyRenée H. Fortunato OriginalPaper Pages: 165 - 174
A preliminary account of colura (Hepaticae, Lejeuneaceae) in Australia Barbara M. Thiers OriginalPaper Pages: 175 - 179
The effect of shade on petiole length in the viola fimbriatula-sagittata complex (Violaceae) Susan E. Yost OriginalPaper Pages: 180 - 187
A new species of astragalus (Leguminosae) from northwestern New Mexico and adjacent Arizona Rupert C. BarnebyRichard Spellenberg OriginalPaper Pages: 188 - 191
Mecranium neibense (Melastomataceae), a new species from Hispaniola James D. Skean OriginalPaper Pages: 192 - 197
Le genre inga (légumineuses, mimosoideae) en guyanne française. systématique, morphologie des formes juvéniles, écologie James Grimes Book Review Pages: 197 - 197
A new species of Krameria (Krameriaceae) from Bahia, Brazil Beryl B. Simpson OriginalPaper Pages: 198 - 200
Calea dalyi (Compositae: Heliantheae), a new species from the Serranía de Santiago, Bolivia John F. PruskiLowell E. Urbatsch OriginalPaper Pages: 201 - 204
Taxonomic and nomenclatural rearrangement in the Hookeriales with notes on West Indian taxa William R. Buck OriginalPaper Pages: 210 - 224
Calymperes (Musci: Calymperaceae): World ranges, implications for patterns of historical dispersion and speciation, and comments on phylogeny William D. Reese OriginalPaper Pages: 225 - 237
Plant genetic resources: an introduction to their conservation and use Brian Ford-Lloyd and Michael Jackson Ghillean T. Prance Book Review Pages: 237 - 237
Index to collectors and type specimens represented in the portion of Hobart and William Smith Colleges Herbarium (DH) deposited at New York Botanical Garden (NY) in 1983 John F. Pruski OriginalPaper Pages: 238 - 244
A new species of campomanesia (Myrtaceae) from Brazil Leslie R. Landrum OriginalPaper Pages: 245 - 247
Carterella (Rubiaceae), new genus from Baja California, Mexico Edward E. Terrell OriginalPaper Pages: 248 - 252
A new species of machaeranthera section psilactis (Asteraceae: Astereae) from coastal Texas Ronald L. HartmanMeredith A. Lane OriginalPaper Pages: 253 - 257
The fruit and tribal affinity of genus cionomene (Menispermaceae) Rupert C. Barneby OriginalPaper Pages: 258 - 259
The identity of Lithophytum (Loganiaceae, Plocospermeae) Fernando ChiangDawn Frame OriginalPaper Pages: 260 - 262
The systematic significance of achene micromorphology in Carex retrorsa (Cyperaceae) Francis J. MenapaceDaniel E. Wujek OriginalPaper Pages: 278 - 283
Corrected author citation for the combination aster section Biotia (Asteraceae) Warren F. LamboyAlmut G. Jones OriginalPaper Pages: 284 - 285
Lectotypifications and neotypifications in Aster section Biotia (Asteraceae), including a complete annotated synonymy Warren F. LamboyAlmut G. Jones OriginalPaper Pages: 286 - 297
Studies in Xyridaceae II. two new species of Xyris from Brazil Maria Das Graças L. WanderleyTania Maria Cerati OriginalPaper Pages: 298 - 301
Croton chamelensis (Euphorbiaceae), a new species from coastal Jalisco, Mexico Emily J. Lott OriginalPaper Pages: 302 - 305
Two new species of Mesosetum (Gramineae: Paniceae) from Brazil Tarciso S. Filgueiras OriginalPaper Pages: 306 - 308
