Volume 36 November-December, 1936 No. 6 



TORREYA 



A Bi-MoNTHLY Journal of Botanical Notes and News 



EDITED FOR 



THE TORREY BOTANICAL CLUB 



BY 



GEORGE T. HASTINGS 



John Torrey, 1796-1873 



CONTENTS 



Deuterium and living organisms, Robertson Pratt 163 



An interesting oak in New York City, with brief notes on Quercus 



Richteri Baen. Leon Croizat 139 



Is Acorus Calamus native in the United States? Roland M. Harper. . 143 



Book review : 



A new revision of a popular manual of trees. George T. Hastings .... 148 



Field trips of the club 150 



Proceedings of the club 156 



News Notes 158 



Dates of Publication of Torreya, Volume 36 158 



Index to Volume 36 159 



Published for the Club 

 By The George Baxt.\ Publishing Company 

 450-454 Ahnaip Street, Menasha, Wisconsin 



Entered as second class matter at the post ofiBce at Menasha, Wisconsin, 

 under the Act of March 3, 1879 



