A a- 
Bui. 1474, U. S. Department of Agriculture 
Plate I- 
EXAMPLES OF MELANOSE INFECTION. — I 
A, Early, slightly sunken stage of natural melanose infection on young grapefruit leaves and twig 
B, Orange leaves curled from melanose infections. These leaves will fall prematurely 
C, Melanose lesions on petal, calyx, and fruit stem of grapefruit 
