THE FRUIT OF OPUNTIA FULGIDA 



A STUDY OF 

 PERENNATION AND PROLIFERATION IN 

 THE FRUITS OF CERTAIN CACTACE/E 



BY 

 DUNCAN S. JOHNSON 



QK4-95 



Cll 



J6 



PUBUSHED BY THE CaRNEGIE INSTITUTION OF WASHINGTON 

 WASHINGTON. 1918 



