Bui. 1118, U. S. Dept of Agriculture. 



PLATE III. 



Fig. 1. — Citrus Scab on Hall Grapefruit. 



Fruits distorted to this extent usually drop in May or June. Should they reach 

 maturity thej^ would he graded as culls. 



Fig. 2. — Citrus Scab on Leaf of Grapefruit. 



Effects of artificial moculations with the citrus-scab fungus. 



