Announcing the publication of volume six of the intermountain flora the monocotyledons Announcement Pages: 153 - 153
Chromosome numbers, polyploidy, and hybridization in castilleja (scrophulariaceae ) of the Great Basin and Rocky Mountains Lawrence R. HeckardTsan-Iang Chuang OriginalPaper Pages: 159 - 172
Notes on neotropical vaccinieae (Ericaceae). IV. A review of the Genus Oreanthes James L. Luteyn Announcement Pages: 173 - 176
Notes on neotropical vaccinieae (Ericaceae). V. Five new species from South America James L. Luteyn Announcement Pages: 177 - 182
The correct author citation of bunchosia (Malpighiaceae) and three new Central American species Frederick H. Dobson OriginalPaper Pages: 183 - 190
Review of the genus perama (Rubiaceae) Julian A. SteyermarkJoseph H. Kirkbride ReviewPaper Pages: 191 - 198
Notes on the asteraceae of the Southeastern United States Arthur Cronquist OriginalPaper Pages: 217 - 225
Studies on fungi cultivated by ants Annette HerveyClark T. RogersonIna Leong OriginalPaper Pages: 226 - 236
A new species of eleocharis (Cyperaceae) from The West Indies Tetsuo Koyama OriginalPaper Pages: 237 - 239
Structure and Classification of Paleocommunities. Edited by Robert W. Scott and Ronald R. West Book review Pages: 239 - 240