STUDIES PRELIMINARY TO PLANTING 



73 



equal about half the height of the houses. In the city of 

 Paris no trees are planted on streets which have tall build 

 ings and which have sidewalks less than thirteen feet wide 

 and roadways twenty feet wide. 



It is sometimes possible, however, to secure fair results 

 even on narrow streets having tall buildings, by choosing a 



j SIDEWALK I ROADWAY I SIDEWALK 



'^--lO'-^K- 20- >U 10--- > 



FIG. 9. Small trees on a narrow street having tall building's. 



species that will keep small, or one that will permit of annual 

 heading back to small dimensions, as shown in Fig. 9. 



Distance from Sidewalk Curb. Trees should be set not 

 nearer than two feet from the curb, and, when the plant 

 ing strips permit, it is better to put the trees farther away 

 from the curb than two feet. In resetting curbs, the roots 

 of trees must necessarily be cut, and if the trees are farther 

 away from the curb less injury is likely to result to them. 



