COTTON DISE 
ASE IN CHINA 
A branch of a Chinese cotton plant affected by the club-leaf (cyrtosis) disorder. 
In the lower part the internodes are of normal length and the leaves of normal 
size and shape, but change abruptly in the upper part to the short internodes and 
distorted leaves that characterize the disorder. Photograph natural size. (No, 
81.) Nanking, China, Oct. 25, 1919. (Frontispiece.) 
