GRAFTING 47 
intermediate growth inserted first on the stock, this to 
be ultimately grafted with the one it is intended to 
propagate. The illustration here given indicates what is 
meant in the case of double-grafting the Pear. 
The special influence exerted on the part of the stock 
or scion with certain varieties in either direction can 
only be learned by experience. Grafting should be 
performed when the sap is in motion, between the time 
i) | —Pear fruiting . 
| —Vigorous variety 
of Pear. 
—Pear stock and 
Quince stock. 
DouBLE-GRAFTING. 
when it begins flowing in the spring and a period before 
it ceases in autumn, avoiding the middle of summer or 
any very hot weather. It is most largely practised, both 
indoors and outside, in early spring, the scions being 
slightly retarded by keeping them in a cooler place, or, 
in the case of fruit-trees, previously cutting and inlay- 
ing them in the ground. Calm, moist weather is most 
