Bui. 380, U. S. Dept. of Agriculture. 



Plate XXIII. 



Fiq. 1.— Japanese Chestnut at Nikko, Japan, from Which the Chestnut 

 Blight Fungus (Endothia parasitica) was Collected by F. N. Meyer, on 

 September 17, 1915. 



Fig. 2.— Two Branches of a Japanese Chestnut. The Larger (to the Left) 

 Was Brought to This Country by F. N. Meyer, and from It Endothia 

 parasitica Was Isolated. 



