-75- 



Pruning shears are most often used to limit the growth of a lateral branch. 

 In this case, of course, the process ie simple but care must be taken to make the 

 cut so that a bud can carry on the growth of the branch as under other circum- 

 stances the limb will always show as a stub. It is always well also to make the 

 cut a short distance beyond the bud, because if too close to the bud evaporation 

 will set in and spoil the bud, at least stunting it. 



For all the larger cute it has been found best to use s dressing of some kind 

 of paint over the wound and so prevent decay. If the wound is made in a proper 



fashion leaving a flat surface parallel to the axis of the trunk or limb, the 

 tissues of the cambium will grow and differentiate the cells of the bark which 

 eventually cover the entire scar forming a cerabium layer over the entire surface 

 and s barky layer over that. The difference in the appearance of the bark will 

 always show but the functions of the tissues will be resumed in a normal fashion 

 as though no branch had occurred. And the wood rings will be laid down about it, 

 increasing the diameter of the trunk as though nothing had happened. 



By using a dressing which vail keep out moisture, decay is prevented and at 

 the same time any fungus spores are offered a poor chance for germination or 

 growth. General practice has sanctioned the use of some paint preparation usually 

 of such a nature that it will penetrate into the surface for some little distance 

 and not form a hard coat on the surface which will crack and chip off under the 

 action of the weather. There is often used a. preparation of coal tar. Providing 

 this mixture does not contein any substances which are injurious to plant tissue, 

 this ie very satisfactory, but from notes taken in the field, those who have used 

 it say that it is a little harder to obtain and has no great advantage over a good 

 paint mixture. 



Hints to Triae Climbers. The Department of Parks of the Boroughs of Brooklyn 

 and Queens issues, in pamphlet form, the following "Hints to Tree Climbers" to 

 its men:- 



