1. Biosystematy

   • W. H. Camp

   OriginalPaper Pages: 113 - 127

2. Supplementary notes on American labiatae—V

   • Carl Epling

   OriginalPaper Pages: 129 - 142

3. The central American, west Indian, and South American species of copaifera (caesalpiniaceae)

   • John D. Dwyer

   OriginalPaper Pages: 143 - 172

4. Studies in Antillean botany—3. A preliminary check-list of Cuban orchids

   • Alex D. Hawkes

   OriginalPaper Pages: 173 - 183

5. Desmodium: Section podocarpium benth

   • Duane Isely

   OriginalPaper Pages: 185 - 224