Canadian Forestry Jourmd, July, 1U13 



119 



very sliarp knife. The eleaner and 

 smoother this eilufe is etit tiie more 

 rajiitlly will it heal. Imiiieiliatcly this 

 is (.lone eover with shellae the freshly 

 cut margin. Many minntes shonkl not 

 be ailowetl to t'lap.se bt'twecn the eut- 

 ting and the shellaeing for the full 

 benefit of this treatment will not be 

 derived if tiie surface is not visibly 

 moist with sap. This slu'llaciii'; pre- 

 vents the eambium layer or living; tis- 

 sue immediately under the bark from 

 drying out and tiius the bark itself is 

 prevented from drying baek for any 

 distance from the margin of the 

 wound. This treatment ai)i)lies to the 

 border of all wounds whether caused 

 by the removal of limbs or the re- 

 moval of decav. 



After the margin has been .shellaced 

 til.- surface of tin* wound should be 

 paint* (1 with urdinar\- commereial 

 creosote. i)eing sure to cover every 

 portion of the exposed wood. This 

 Mill act as a i)re.scrvative. Then give 

 till- whole a coat of coal tar to make 

 it waterproof. If desired the creosote 

 and coal tar nmy be mixed before ap- 

 plying f i;{ creosote). The interior of 

 all cavities must also be thoroughly 

 painted with ci-eosote and tar. 



Ji()l(i)i(/ till Tnoik. 



Before filling with cement, in the 

 ease of trees with very large cavities 

 in the truidv. it may be necessary to 

 run one or more iron bolts through 

 them in order that tlicv mav be 



f^^*t. M*. 



^ 



liowiiig well finished 

 job of tree repair- 

 ing. Note the ce- 

 ment sections in 

 the base which is 

 also bolted. Ce- 

 ment repairs may 

 also be seen in the 

 upjier i>art of the 

 tree. Photo taken 

 on an Ottawa 

 street. 



^ 



