Bui. 209, U. S. Dept. of Agriculture. 



Plate IX. 



Leaves of Four Grape Hybrids Originated in France and Extensively Used as 

 Stocks on Which to Graft Vinifera Varieties. 



Fig. 1.— Riparia X Rupestris No. 3306, upper and lover side of leaf, one-eighth natural size. 

 Fig. 2.— Mourvedre X Rupestris No. 1202, upper and lower side of leaf, five-sixteenths natural 

 size. Fig. 3.— Riparia X Rupestris No. 101, upper and lower side of leaf, five-fourteenths natural 

 size. Fig. 4.— Riparia X Rupestris No. 3309, upper and lower side of leaf, one-third natural size. 



