144 



TREES IN" WINTER 



There are many mistakes made in attempting to support a tree 

 prone to splitting. Sometimes more harm than good is done, and 

 frequently good trees are seriously injured by the good intentions 



Fig-. 69. The proper method of inserting a bolt. 



of the owner or the poor judgment of the so-called "tree-doctor." 

 The use of chains, wires, or iron bands around two or more branches 

 is sure to cause injury. When trees are supported in this way there 

 is no opportunity for expansion or growth without bringing much 

 pressure on the bark, and, as a result, the branches affected are 

 partially girdled and either killed or greatly weakened. (See fig. 

 68). 



When the branches are far apart, the best method of bracing is 

 in the use of bolts with a hook on one end and a large w^asher and 



Fig-. 70. Method of bolting a tree possessing three or more main 

 branches. 



