24g TREATISE ON THE CULTURE, kc. 



powder applied immediately. You muft obferve to cut out 

 the gum perfe&ly clean ; you will fee it oozing out from be- 

 tween the wood and bark: this muft be followed till you 

 come to the white clean bark and wood. If afterwards any 

 gum fhould make its appearance, it muft be fcraped off ; 

 which is beft done when it is moiftened with rain, as you can 

 then fcrape it off eafily without hurting the bark. This muft 

 be done without delay, otherwife the difeafe will rapidly 

 advance. 



When trees are hollow, it will be neceflary to examine them 

 carefully to fee whether any grubs have entered the bark and 

 wood, which you will know by their perforating the bark. 

 If there be any, they muft be carefully cut out before the 

 Compofition is applied. 



