Barnebya, A new genus of Malpighiaceae from Brazil William R. AndersonBronwen Gates OriginalPaper Pages: 275 - 284
Rose and Britton: From Brittonrosea to Cassia Richard S. CowanFrans A. Stafleu OriginalPaper Pages: 285 - 293
Three species of Tibouchina (Melastomataceae) from Bahia, Brazil John J. Wurdack OriginalPaper Pages: 304 - 308
Polyploidy in Dalea formosa (Fabaceae) on the Chihuahuan Desert Richard Spellenberg OriginalPaper Pages: 309 - 324
Additions to the flora of Colorado—VII William A. WeberBarry C. JohnstonRonald Wittmann OriginalPaper Pages: 325 - 331
Two new Umbelliferae of the Chihuahuan Desert Mildred E. MathiasLincoln Constance OriginalPaper Pages: 342 - 346
New species and combinations in neotropical Lecythidaceae Scott A. Mori OriginalPaper Pages: 357 - 370
Notes on neotropical Vaccinieae (Ericaceae). IX. Seven new Andean blueberries James L. Luteyn OriginalPaper Pages: 371 - 381
A new species of Hypomyces (Hypocreaceae) with phragmosporous ascospores Amy Y. RossmanT. Rogerson OriginalPaper Pages: 382 - 384
New species of Rubiaceae from French Guiana, Brazil, and Colombia Julian A. Steyermark OriginalPaper Pages: 385 - 400
New species and combinations in Vernonia sections Leiboldia and Lepidonia (Asteraceae), with a revisional conspectus of the groups B. L. Turner OriginalPaper Pages: 401 - 412
Revision of Anemia subgenus Anemiorrhiza (Schizaeaceae) John T. Mickel OriginalPaper Pages: 413 - 429
New taxa of Apiaceae, Hydrophyllaceae and Saxifragaceae from Oregon and Idaho James W. GrimesPatricia L. Packard OriginalPaper Pages: 430 - 434
Two new species of Paramachaerium (Leguminosae) and a brief résumé of the genus Velva E. Rudd OriginalPaper Pages: 435 - 440
Notes on endangered buckwheats (Eriogonum: Polygonaceae) with three newly described from the western United States James L. Reveal OriginalPaper Pages: 441 - 448
A new species of Scutellaria (Lamiaceae) from California Arthur Cronquist OriginalPaper Pages: 449 - 450
The correct name for Dichanthelium leucoblepharis (Poaceae) and its varieties Robert W. Freckmann OriginalPaper Pages: 457 - 458
The wood of Gleasonia, Henriquezia, And Platycarpum (Rubiaceae) and its bearing on their classification: some new considerations George K. Rogers OriginalPaper Pages: 461 - 465
New species of Eschweilera (Lecythidaceae) from southern Brazil Scott A. Mori OriginalPaper Pages: 466 - 472
A re-interpretation of the Fabroniaceae, III: Anacamptodon and Fabronidium revisited, Mamillariella, Helicodontiadelphus and Bryobartlettia gen. nov. William R. Buck OriginalPaper Pages: 473 - 481
The Ladew expedition to Bolivia and Peru: George Tate’s Botanical Collections Brian M. Boom OriginalPaper Pages: 482 - 489
