Resistant Vines. 293 
distribution of resistant roots for trial. Explicit information 
can be had free by application to the University. 
Resistant Varieties——American wild vines are characterized 
by every marked differences in degrees of resistance to phyllox- 
era, and especially in adaptability to soils. Not only do species 
differ in this respect, but varieties of the same species show 
widely different characteristics. As a result of the process of 
selection varieties have been secured which are far above the 
average of the species in vigor of growth and development, de- 
gree of resistance and general suitability for resistant root pur- 
poses. Of the few varieties which have thus demonstrated par- 
ticular excellence in France and have given notable indications 
of success in California, are the following :— 
For soils likely to become somewhat dry in summer—the 
Rupestris “St. George.” 
For deep, moist and tolerably rich soils, Riparia “Gloire de 
Montpellier,” and “Grande Glabre.” 
For heavy, low lands, even if slightly alkaline, hybrid 
“‘Solonis.” 
The Lenoir, Herbemont and a few others are praised by 
local growers. 
The Cutting Graft—Gratfting the desired variety upon a 
resistant cutting and then planting the grafted cutting in nurs- 
ery for rooting is an accepted French method which is being 
Whip Graft with Earth Mound. 
successfully employed in California. ‘This has ‘advantage in 
time gained and in securing a full stand of vines as compared 
with grafting upon cuttings already rooted in place in the vine- 
yard—though the latter is successfully practised. An adjacent 
engraving shows the rooting of cutting-grafts in the nursery. 
Grafting on Resistant Stocks after Rooting—Graiting on 
resistant roots differs from working in old stumps in the size of 
