APPLICATION OF TEE SYSTEM. 35 



away by the weight of the falling branch portions of 

 the bark of the trunk may be avoided. This will pre- 



Fig. 28. Danger of beginning the amputa- 

 tion of a long, heavy branch by a cut close 

 to the trunk. A. Point at which the branch 

 should be first cut. B. Branch badly cut ; the 

 butt striking the workman. 



vent, too, the serious accidents which often occur 

 when a large branch is cut at first close to the trunk, 

 when the end striking the ground may cause the butt 

 to fly up and throw down the workman. It is an in- 

 dispensable condition of the prompt healing over and 

 perfect circulation of sap that all wounds should be 

 evenly cut and shaped as nearly as possible to the 

 trunk of the tree. In order to secure this condition, 

 the operation of amputating a branch should be com- 



