Bui. 226, Bureau of Plir' Ir.Hw-.'-v U S P-p' "' &.r.\r..tu 



Plate XV. 



Fig. 1.— Leaf of the Japanese Privet Affected with Leaf-Spot Due to 



Cercospora Ligustri. 





-'^^^x'-;' 



Fig. 2.— Small Branch of Mesquite, Showing Three Galls of Possible 



Bacterial Origin. 



Fig. 3.— a Single Large Gall on a Small Branch of Mesquite. 



