104 
GRAFTING 
nature. In a natural forest* two branches 
rub against each other in windy weather* till 
the bark of both becomes wounded; a calm 
ensues* and* while it lasts* the wounded 
branches lying across each other adhere and 
grow together. Of this* which is called inos- 
Stock and Scion prepared for Inarching,, 
culation* examples in the beech* the horn¬ 
beam* and the oak* are given in Mr. Loudon’s 
Arh . Brit.; and it is probable that mankind de¬ 
rived the first idea of grafting from observing 
instances of this kind. Inarching* as prac¬ 
tised in nurseries* closely resembles layering. 
A branch is bent and partly cut through* 
and the heel thus formed is slipped into a 
