1. An Afro-South-American cyperaceous complex

   • Charles L. Gilly

   OriginalPaper Pages: 1 - 20

2. Supplementary notes on the American species of Strychnos—I

   • B. A. Krukoff
   • J. Monachino

   OriginalPaper Pages: 21 - 24

3. An attempt to complete the record

   • E. D. Merrill

   OriginalPaper Pages: 25 - 32

4. Revision of Sedum cockerellii and related species

   • Robert T. Clausen
   • Charles H. Uhl

   OriginalPaper Pages: 33 - 46

5. Studies of the icacinaceae—VI. Irvingbaileya and codiocarpus, two new genera of the icacineae

   • Richard A. Howard

   OriginalPaper Pages: 47 - 57

6. Stenogyne Sherffii Degener, a new mint from Hawaii

   • Otto Degener

   OriginalPaper Pages: 58 - 59

7. Microsteris, Phlox, and an intermediate

   • Edgar T. Wherry

   OriginalPaper Pages: 60 - 63

8. Botanical collections of the La Plata Expedition of 1853–1855

   • Rogers McVaugh

   OriginalPaper Pages: 64 - 79