Supplementary notes on the American species of Strychnos—I B. A. KrukoffJ. Monachino OriginalPaper Pages: 21 - 24
Revision of Sedum cockerellii and related species Robert T. ClausenCharles H. Uhl OriginalPaper Pages: 33 - 46
Studies of the icacinaceae—VI. Irvingbaileya and codiocarpus, two new genera of the icacineae Richard A. Howard OriginalPaper Pages: 47 - 57
Botanical collections of the La Plata Expedition of 1853–1855 Rogers McVaugh OriginalPaper Pages: 64 - 79