1. The genus Juglans in South America and the West Indies

   • Wayne E. Manning

   OriginalPaper Pages: 1 - 26

2. Studies in the Hippocastanaceae, V. Species of the old world

   • James W. Hardin

   OriginalPaper Pages: 26 - 38

3. Two new species of Cuscuta from North America

   • T. G. Yuncker

   OriginalPaper Pages: 38 - 40

4. Tricholomopsis (Agaricales) in the western hemisphere

   • Alexander H. Smith

   OriginalPaper Pages: 41 - 70

5. Calamovilfa, a misplaced genus of Gramineae

   • John R. Reeder
   • Margaret A. Ellington

   OriginalPaper Pages: 71 - 77

6. Two new varieties of Carex from Mexico

   • F. J. Hermann

   OriginalPaper Pages: 78 - 79

7. Podocarpus lucienii, a new species from New Caledonia

   • D. J. de Laubenfels

   OriginalPaper Pages: 79 - 80