E 481 ] 



the waxed tie is wound round it so as to completely cover 

 the union ; the heat of the hand being sufficient to soften tl]e 

 wax, so that it sticks well and is air-tight. 



776. The principle underlying every method of grafting 

 is to so unite the scion or graft with the stock as to bring 

 the cambium layer or wood-producing layer of each, tpgetjher, 

 When the two layers are brought together and kept, together 

 without air they each throw out new cells which join together 

 and form one hyer of wood. 



777. There are various modes of grafting, known vari- 

 ously as Bark-grafting, Cleft or Wedge-grafting (Fig. 59 C), 





3iiJI 



FIG. 59. GRAFTING. 



A. Root-grafting. C. Cleft or Wedge-grafting. 



B. Saddle-Grafting. D. Whip or Splice-grafting. 

 E. Crown or Rind-grafting. 



Crown or Rind-grafting (Fig. 59 E), Saddle-grafting (Fig. 59 

 B), Whip, Splice, or Tongue-grafting (Fig. 59 D), the principle 

 underlying being the same in all cases. Root-grafting (Fig. 

 ill 



