New species of Elaphoglossum (Elaphoglossaceae) from northern South America John T. Mickel OriginalPaper Pages: 313 - 339
Two new species of Potentilla (Rosaceae) from the Intermountain Region of western U.S.A. Noel H. Holmgren OriginalPaper Pages: 340 - 344
Mimosa nanchititlana, a new species from the state of México, Mexico (Mimosaceae) Rosaura GretherRupert C. Barneby OriginalPaper Pages: 345 - 347
Two new species of Serjania (Sapindaceae) from Brazil Pedro Acevedo-Rodríguez OriginalPaper Pages: 348 - 352
Manual of cultivated trees and shrubs hardy in North America. By Alfred Rehder. James L. Luteyn Book Review Pages: 352 - 352
New and noteworthy South American species of Agalinis (Scrophulariaceae) Kerry Barringer OriginalPaper Pages: 353 - 357
A new species of Astragalus (Fabaceae) from Tennessee’s Central Basin Rupert C. BarnebyEdwin L. Bridges OriginalPaper Pages: 358 - 363
Notes on economic botany of China. By Augustine Henry Ghillean T. Prance Book Review Pages: 363 - 363
Notulae de Chrysobalanaceis Malesianis Praecursoriae Ghillean T. Prance OriginalPaper Pages: 364 - 370
Randia retroflexa (Rubiaceae), a new species from southern Mexico David H. LorenceMichael Nee OriginalPaper Pages: 371 - 375
A new Thismia (Burmanniaceae) from French Guiana Hiltje MaasPaul J. M. Maas OriginalPaper Pages: 376 - 378
Vegetable Diseases and Their Control. Second Edition. By Arden E. Sherf and Alan A. MacNab Clark T. Rogerson Book Review Pages: 378 - 378
New names, combinations, and lectotypifications in Heterotheca (Compositae: Astereae) John C. Semple OriginalPaper Pages: 379 - 386
A cytological and morphometric analysis of a triploid apomict, Opuntia × Kelvinensis (subgenus Cylindropuntia, Cactaceae) Marc A. BakerDonald J. Pinkava OriginalPaper Pages: 387 - 401
A field guide to coastal wetland plants of the northeastern United States Arthur Cronquist Book Reviews Pages: 404 - 404
A revision of the genus Inocybe in Europe. I. Subgenus Inosperma and the smooth-spored species of subgenus Inocybe Roy E. Halling Book Reviews Pages: 406 - 406
Ecology: Individuals, populations and communities S. T. A. PickettW. P. Carson Book Reviews Pages: 407 - 408
