42 THE TREE DOCTOR 



diameter of the top of this Elm is eighty feet. If it were situ- 

 ated ten feet inside of a road fence, it would hang over the cen- 

 ter of a sixty-foot highway. (See also Photo 19.) 



The fine, young Maple seen in Photo 32 is located, not on 



1 a narrow border between the sidewalk and curbing, but some 



three feet inside the sidewalk, in the lawn. Its roots ramble 



Photo 33 

 Too Near the Sidewalk. 



freely in the soil of the shrubbery bed inside, and pass out 

 under- the sidewalk to the gutter, in the street. Should this 

 street be asphalted at any time, it could result in but little injury 

 to the tree. 



Photo 33 shows two very thrifty Horse-Chestnuts standing 

 in a row of privet hedge. Though the trees are somewhat 

 young (not over forty years old), yet see how nicely they shade 

 the sidewalk. These should have been planted some three feet 



