MEMOIRS 



OF 



The New York Botanical Garden 



Volume 10 



1. The Botany of the Guayana Highland — Part III 



Bassett Maguin amd John J. Wurdack 



and Collaborators 1 



Anatomy of Guayana Mutisieae. Part II Sherwin Carlquist 157 



2. The Botany of the Guayana Highland — Part IV 



Bassett Maguin <nxl John J. Wurdack 



and Collaborators 1 



The Morphology and Relationships of Diomma, Gen. Inc. Sed. 



Mil Ham L. Stern and George K. Brizicky 38 



Taxonomic Relationships of Diomma Engler ex Harms 



Richard S. Cowan and George K. Brizicky 58 



Anatomy of Guayana Xyridaceae: Abolboda, Orectanthe, and Achly- 



phila Sherwin Carlquist 65 



3. A Revision of Spathiphyllum (Araceae) George S. Bunting 1 



4. The Botany of the Guayana Highland— Part IV (2) 



Bassett Maguire and John J. Wurdack 



and Collaborators 



5. The Botany of the Guayana Highland — Part V 



Bassett Maguire and John J. Wurdack 



and Collaborators 1 



Taxonomy of the Subgenus Pterodes, Genus Luzula. .John E. Ebinger 279 



Lists and Keys of the Cedar Rusts of the World Frank D. Kern 305 



