Adelia cinerea (Euphorbiaceae), formerly in Bernardia Angélica CervantesVictor W. SteinmannHilda Flores Olvera Articles Pages: 4 - 9
The genus Dyschoriste (Acanthaceae) in Bolivia and Argentina D. C. WasshausenJ. R. I. Wood Articles Pages: 10 - 18
Taxonomy of Begonia longifolia Blume (Begoniaceae) and related species Mark C. Tebbitt Articles Pages: 19 - 29
New unicapitate species of Rhynchospora (Cyperaceae) from South America Ana Claudia AraujoHilda M. Longhi-WagnerWm. Wayt Thomas Articles Pages: 30 - 36
Two new species of Araceae tribe Spathicarpeae from Bolivia Wilbert L. A. HetterscheidPierre L. IbischEduardo G. Gonçalves Articles Pages: 37 - 41
Quercus tuitensis (Fagaceae, Quercus sect. Lobatae), a new deciduous oak from western Jalisco, Mexico Luz María González-Villarreal Articles Pages: 42 - 48
Two new species of oak (Fagaceae, Quercus sect. Lobatae) from the Sierra Madre del Sur, Mexico Luz María González-Villarreal Articles Pages: 49 - 60
A new species of Sicyos (Cucurbitaceae, Sicyeae, Sicyinae) from Mexico and Guatemala Isela Rodríguez-Arévalo Articles Pages: 69 - 72
Ecuadorian novelties in Blakea and Topobea (Melastomataceae) Elvira CottonSteffen Matezki Articles Pages: 73 - 81
Begoniaceae, Edition 2. Part I: Annotated species list. Part II: Illustrated Key, Abridgement and Supplement. By Jack Golding and Dieter C. Wasshausen. Arthur O. Tucker Book review Pages: 81 - 81
The confusion of Agave vivipara L. and A. angustifolia Haw., two distinct taxa Abisaí García-MendozaFernando Chiang Articles Pages: 82 - 87
Carapichea guianensis: the correct name for Psychotria carapichea (Rubiaceae), with a correction on the authority of P. carapichea, and a new combination in Carapichea Piero G. Delprete Articles Pages: 88 - 89
