Reprinted from the Botanical Gazette 45: 412-416, June i( 



THE EMBRYO OE CERATOZAMIA : A 

 PHYSIOLOGICAL STUDY 



CONTRIBUTIONS FROM THE HULL BOTANICAL LABORATORY I I I 

 (with SEVEN figures) 



HELEN A. DORETY 



LIBRARY 

 NEW YORK 

 BOTANICAL 



GARDEN. 



PRINTED AT THE UNIVERSITY OF CHICAGO PRESS 



