Bui. 44, Bureau of Plant Industry, U. S. Dept. of Agriculture. 



Plate IV. 



The Bitter-rot Fungus on Various Fruits. 



1, 3, and 7, Various stages of growth on apples; 2, An early stage of the disease; 4, A mummified 

 apple from the preceding'year; 5, Growth of the bitter-rot fungus on pear, with control; 

 6, Growth of the bitter-rot fungus on squash. 



