Cir. 65, Bureau of Plant Industry, U. S. Dept. of Agriculture. 



Plate II. 



Fig. 1.— Portion of a Vine: in Plat 14 in Mr. Tuttle'S Vineyard, near Paw Paw, 

 Mich., Sprayed with 4-3-50 Bordeaux Mixture. Some Leaves have been 

 Removed. 



Fig. 2.— Portion of a Vine in the Unsprayed Check Plat in the Vineyard Shown 

 IN Figure 1. Some Leaves have been Removed. 



