30 TREE WOUNDS AND DISEASES 



are usually 2^ inches wide, and of the shape 

 of the branch to be encircled, each being in 

 two parts for ease in fixing and to allow of 

 slackening at any future time should necessity 

 demand. The band is made of a larger size 



Iron band and connecting rod. 



than the branch to be encircled, so as to allow 

 of the insertion of a leather or rubber collar 

 between it and the wood, the purpose of the 

 packing being to prevent undue friction and 

 chafing of the bark during movement of the 

 tree. 



The bands, whether placed around two op- 

 posite branches or the main stem and a 

 branch, are connected together by a light iron 



