COLLECTING CIONS 



107 



cion lay as flat as possible, but in the case of a large injury 

 a T cut may be made as in budding and the cion put in 

 place by bending. (See Fig. 53.) If the injury is narrow 

 and long the cions may be placed diagonally across the open- 

 ing rather than vertically as in the others. The cions 

 enlarge as growth develops until after two or three years 



Cions 



mm 



Injured Trunk Cions Inserted 



FIG. 53. Healing Over an Injury by Bridge Grafting. 



they will come together and the injury will be entirely 

 healed. Bridge grafting is applicable to the common 

 deciduous, forest or ornamental trees as well as to fruit 

 trees. 



Collecting Cions. Good cions are essential to good 

 trees and should therefore be collected with considerable 

 care. It is first of all, important to know the trees from 

 which the cions are taken. A strong vigorous tree bear- 



