Plate VI. 
Leaves of Four Native American Species of Grapes Used as Stocks on Which 
to Graft Vinifera Varieties. 
Fig. 1. — Vitis cMmpini, upper and lower side of leaf, one-fourth natural size. Fig. 2. — Vitis 
doaniania, upper and lower side of leaf, one-sixth natural size. Fig. 3. — Vitis candicans, upper 
and lower side of leaf, one-fourth natural size. Fig. 4. — Vitis berlandkri, upper and lower side 
of leaf, one-sLxth natural size. 
