1. The genus clidemia in Mexico and Central America

   • H. A. Gleason

   OriginalPaper Pages: 97 - 140

2. The flora of mount Auyan-tepui, Venezuela

   • H. A. Gleason
   • E. P. Killip

   OriginalPaper Pages: 141 - 204

3. The American species of erythrina

   • B. A. Krukoff

   OriginalPaper Pages: 205 - 337

4. A new name for Cocculus toxicoferus Wedd

   • B. A. Krukoff
   • H. N. Moldenke

   OriginalPaper Pages: 338 - 338

5. Supplementary notes on myristicaceae

   • A. C. Smith

   OriginalPaper Pages: 339 - 340