PROPAGATION AND RAISING. 137 
&c,, is the same as in the former case. This is somtimes 
useful when it is desirable to preserve the head.and gig 9, 
perhaps the fruit on it, for the season; but t ? 
a part does not often st strong 
during the time, and, on the whole, there is nu ad- | 
Sig ai gained. 
ching is sometimes practised (fig. 29), which is 
simply the uniting of two branches that are each 
attached to neighboring plants. Where it is intended 
the union is to be made, the bark, and also a thin 
slice of the wood (in thickness according to the size 
of the intended new sort) must be cut away so that the 
bark on both sides will unite; the two are then brought 
guar tied, &c., as in the former cases 
rattii There is no advantage in this 
i excepting that it may be performed 
any time during the summer. It is, how- 
ever, best to do it immediately after the 
ful 
Fig. 29. 
better insures a perfect adhesion. When 
it is is thought that the union is complete, 
may be cut half through, and left so 
while attached to its own parent. In another week, or 
ten days, it may be entirely severed, and again left a sim- 
ilar length of time, when the head of the dishonored kind 
may be eut away, and the new one allowed to take its 
place. Without these latter precautions, there is great 
danger of failure, as the sap may not have begun to flow 
freely into the new parts. It should also be observed. 
that in all the examples, when it is seen that the ligatures 
eek increase of growth, they 
