The Memoirs of The New York Botanical Garden 

 are issued at irregular intervals in parts of various sizes. 

 Approximately 500 pages will complete a volume. The 

 subscription price of volume 10 is $10.00. Number 4 

 may be purchased separately for $3.50. Authors of 

 papers may obtain separate copies of their contributions, 

 printed at the same time as the issue, at cost price. 



For further information address the editor: 



H. W. RlCKETT 



The New York Botanical Garden 

 New York 58, N. Y. 



