

j\ Magazine of General Botany 





VOLUME 12 





NUMBER A 





APR. 190 9 





Containing 





Overlapping Habitats 



By Francis E. Lloyd 73 





The Plant Societies of Monterey Peninsula 



By H. B. Humphrey 79 





Effect of Illuminating Gas and Its Constituents Upon 

 Flowering Carnations 

 By W. M. Crocker and Lee I. Knight 83 





Books and Current Literature 89 





» 



Tucson, Arizona 







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

 Arizona, under the Act of Congress of March 3, 1879. 



