Bui. 226, Bureau of Plant iniiustry, U, S. Dept. of Agricultii 



Plate X. 



Fig. 1.— Young Watermelons Affected with Blossom-End Blight and Rot. 

 Fig. 2.— Tuber of Potato, Showing Nodules Formed by Rhizoctonia. 

 Fig. 3.— Cymling Almost Destroyed by Botrytis Cinerea. 



