1. Endemism in Florida

   • C. W. James

   OriginalPaper Pages: 225 - 244

2. Standley’s trees and shrubs of mexico to be reprinted

   Announcement Pages: 244 - 244

3. Re-examination of triletes superbus, T. Rotatus, and T. Mamillarius of bartlett

   • Chester A. Arnold

   OriginalPaper Pages: 245 - 252

4. Death of Franz Elfried Wimmer

   Announcement Pages: 252 - 252

5. A reconsideration of Encyclia (orchidaceae)

   • Robert L. Dressler

   OriginalPaper Pages: 253 - 266

6. The systematic position of Cryptocentrum (orchidaceae)

   • Robert L. Dressler

   OriginalPaper Pages: 266 - 270

7. The rust fungi of Muhlenbergia, Sporobolus, and related genera

   • George B. Cummins
   • H. C. Greene

   OriginalPaper Pages: 271 - 285

8. Opening of New York Botanical Garden

   Announcement Pages: 285 - 285

9. A new hybrid showing homology between Asplenium ebenoides and A. Pinnatifidum

   • W. H. Wagner
   • Kathryn E. Boydston

   OriginalPaper Pages: 286 - 289

10. New evidence on the hybrid nature of Asplenium kentuckiense

    • Dale M. Smith
    • Truman R. Bryant
    • Donald E. Tate

    OriginalPaper Pages: 289 - 292

11. Ploidal level and stomatal size in the American hickories

    • Donald E. Stone

    OriginalPaper Pages: 293 - 302

12. Note

    • R. C. Jackson

    Announcement Pages: xxxii - xxxii