JAN 1U ISiu 



Magazine of General Botany 



VOLUME 12 

 NUMBER 12 

 DEC. 1 9 O 9 



Containing 



Successional Relations of the Vegetation about Yarmouth, Nova 

 Scotia. 



By Edgar X. Transeau 271 



The Reciprocal Influence of Scion and Stock 



By W. B. McCallum . . . 281 



Vegetation Groups of the Desert Laboratory Domain. 



By J.J. Thornber 289 



Books and Current Literature 



Notes and Comment 2<)7 

 Tucson, Arizona 



Entered as Second Class Matter, Dec. 17, 1907 ', at the Post-Office, Tucson, 

 Arizona, under tkp Act of Congress of March %, 187^ 



