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



PLATE VI. 



Citrus Scab on Tangelo, Lemon, Grapefruit, and Sour Orange. 



Fig. 1.— Very severe attack of scab on tansrelo. This fruit probably would not have 

 reached maturity. (Natural size.) Fig. 2. — Characteristic scab lesions in immature 

 lemon. (Natural size.) Fig. 3. — Lesions on stem and calj'x of grapefruit flowers. 

 Fig. 4. — Scab lesions on mature sour-orange leaf, x 3. 



