THE TREE DOCTOR 



121 



But, after all, man is a wonderful creature. He has powers, 

 which, if wrongly directed, or not directed at all. may be used, 

 among other things, in "butchering" millions of dollars worth of 

 fruit and shade trees, ruthlessly destroying the world's forest and, 

 ultimately, rendering the surface of the globe uninhabitable. But 



Photo 108 



Japanese Clematis in Bloom. 



the very fact that a locomotive possesses the power to produce 

 a "wreck" proves that it can be made serviceable to mankind. 

 As set forth, further on, in the discussion of "future forestry," 

 man must apply his powers of thought for constructive purposes. 

 He will do so, he will learn from the mistakes of the past. His 

 thought power will gradually work into harmony with the Di- 



