PLATE VIII 



Fig. 1. — Grapefruit leaf showing young Citrus cankers. 



Fig. 2. — Old Citrus canker on Satsuma leaves. 



Fig. 3, 4. — Seedling grapefruit branches affected with Citrus canker. 



Fig. 5. — Severe canker infection of branches of Citrus trifoliata. 



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