STREET TREES. 



Fig. 2. A good row of trees but houses too much shaded. 

 See Figs. 4 and 14. 



4. Shade Production. On many streets it is easily pos- 

 sible to have too much shade. (Fig. 2.) Houses and side- 

 walks need sun even in summer ; therefore, on narrow streets 

 trees with light foliage, like the locusts and ashes, will usually 

 be better than the denser crowned maples, etc. Early leafing 

 is never desirable. 



">. Xeafncss. A tree is a nuisance when it litters the street 

 with its bloom or fruit, sends up many suckers, heaves the 

 pavement by its superficial roots, emits an offensive odor, or 

 attracts insects. Cottonwoods or poplars are, 



., . Avoid trees 



therefore, to be avoided because, among other that are 



i , -i i -I -i i offensive. 



r<-a>n>. they cover the ground with their bloom 



in the spring; silver maples will break up any pavement; 



ail an thus has a very bad smell for several weeks each year 



unless the trees bear pistillate flowers only; mulberry has a 



fruit which when crushed makes the sidewalks slippery and 



dangerous. 



