Bui. 1154. U. S. Dept. of Agriculture 
Plate VII 
Petals of the Parental and Hybrid Cotton Plants. 
Two-thirds aatural size. 
Fig. 1.— The Holdon parent, showing I hie small petal without spot. Fig. 2.— The first-generation 
hybrid, showing the large petal intermediate in developmenl ofthespot. Fig. 3. The Pima 
parent, showing the large petal and large spot. Figs. I TO 8. Second-generation hybrid 
individuals, showing ramie of variation in size it and :. and in development of the spot 
(1.6, 7, and 8). 
