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should be done during the dormant period of the tree, and the stumps 

 of the branches should be cut fiush with the tree and coated with tar or 

 good paint. Injury from wind and sleet storms can be lessened by chain- 

 ing or bolting weaker upright branches together or to the trunk. Reason- 

 able care in the prevention of injuries, and in the proper treatment of 

 those which occur w^iU prevent much trouble from insects and fungous 

 rots. Trees which have been badly injured by decay can be saved in many 

 cases by proper surgical treatment. The decayed portions should be 

 entirely removed and the healthy surface thus laid bare disinfected with 

 creosote or a solution of mercury bichloride. The parts should then be 



A surgical operation. — The cavities cleaned, disinfected, and filled with cement. (OriginaP, . 



