Novelties in Chamaecrista section Absus (Caesalpiniaceae) Howard S. IrwinRupert C. Barneby OriginalPaper Pages: 7 - 10
Anatomical studies of Carex cuchumatanensis, C. decidua, and C. hermannh (Cyperaceae) and comparisons with north American taxa of the C. acuta complex Lisa A. Standley OriginalPaper Pages: 11 - 19
Medicinal plants in tropical West Africa. By Bep Oliver-Bever Ghillean T. Prance Book Review Pages: 19 - 19
Reinhardtia paiewonskiana (Palmae), a new species for the West Indies Robert W. ReadThomas A. ZanoniM. Mejía OriginalPaper Pages: 20 - 25
Poisonous mushrooms of the Northern United States and Canada. By Joseph F. Ammirati, James A. Traquair, and Paul A. Horgen Roy E. Halling Book Review Pages: 25 - 25
Hybridization in the babassu palm complex. II. Attalea compta × Orbignya oleifera (Palmae) Michael J. BalickAnthony B. AndersonJudas Tadeu de Medeiros-Costa OriginalPaper Pages: 26 - 36
Contributions toward a revision of Hechtia (Bromeliaceae) Kathleen Burt-UtleyJohn F. Utley OriginalPaper Pages: 37 - 43
Two new species of Vernonia (Asteraceae: Vernonieae) from Panama Sterling C. Keeley OriginalPaper Pages: 44 - 48
The history and social influence of the potato. By R. N. Salaman. revised impression, edited and with a new introduction by J. G. Hawkes Michael Nee Book Review Pages: 48 - 48
A note on Mimosa invisa C. Martius ex Colla and M. Invisa C. Martius (Mimosaceae) Rupert C. Barneby OriginalPaper Pages: 49 - 50
Studies in neotropical Burseraceae I. A synopsis of the genus Crepidospermum Douglas C. Daly OriginalPaper Pages: 51 - 58
Begonia lyman-smithii (Begoniaceae), a new species from Oaxaca, Mexico Kathleen Burt-UtleyJohn F. Utley OriginalPaper Pages: 59 - 62
Primula tschuktschorum and Primula eximia (Primulaceae: Section Crystallophlomis): A distylous species and its homostylous derivative from the Bering Strait region, Alaska Sylvia Kelso OriginalPaper Pages: 63 - 72
A checklist of New York State plants. By Richards S. Mitchell Arthur Cronquist Book Review Pages: 72 - 72
A distinguished Brazilian botanist, João Barbosa Rodrigues (1842–1909) Scott A. MoriFlora Castaño Ferreira Announcement Pages: 73 - 85
Index to plants collected on Howard Stansbury’s expedition to the Great Salt Lake, 1849–1850 Arnold Tiehm OriginalPaper Pages: 86 - 95
Type specimens of Polygonum (Polygonaceae) in the Meisner herbarium at the New York Botanical Garden Chong-Wook Park OriginalPaper Pages: 96 - 105
Council on Botanical and Horticultural Libraries Schedules Organizational Meeting Annoucements Pages: 105 - 105
Three new species of Convolvulaceae from Northeast Mexico J. Andrew McDonald OriginalPaper Pages: 106 - 111
Guide to the vascular flora of illinois: Revised and enlarged edition by Robert H. Mohlenbrock Arthur Cronquist Book Review Pages: 111 - 111
Comparative floral morphology in Lycieae (Solanceae) Luis M. Bernardello OriginalPaper Pages: 112 - 129
Acacia sousae (Leguminosae: Mimosoideae) a new species from Mexico Lourdes Rico OriginalPaper Pages: 130 - 132
Developmental biology of higher fungi. edited by David Moore, Lorna A. Casselton, David A. Wood, and Juliet C. Frankland. Roy E. Halling Book Review Pages: 132 - 132
Plantae Uxpanapae III. A new species of Biophytum (Oxalidaceae) and five genera new for the Mexican flora Tom Wendt OriginalPaper Pages: 133 - 138
Nomenclatural notes on neotropical Marantaceae Helen KennedyDan H. Nicolson OriginalPaper Pages: 139 - 140
