﻿Bui. 1134, U. S. Dept. of Agriculture. 



Plate IV. 



Flower Buds of Pima Cotton. 



The successive stages of the process of emasculation during the evening preceding anthesis: 

 Intact buds (bottom); bud with corolla removed, showing the tightly closed anthers (middle); 

 anthers removed, flower ready for pollination (top). 



Photographed by W. F. Gilpin. 



