DECIDUOUS TEEES. 



27 



the silver-leaved {da»ycm-pum), but it is more upright, and its 

 branches less liable to be broken by heavy winds, and therefore 

 more valuable as a street or park tree. The silver-leaved is, 

 however, a very valuable variety, and where partially sheltered, 

 or where it can have an opportunity to develop itself, it is one 

 of the most graceful as well as lofty of the species. As the trees 



Pig. 10.— Soaklet Maplb. 



are all grown from seeds, there is great variety of habit among 

 them, some having almost as much of a drooping habit as the 

 willow, others of a spreading open habit, similar to the American 

 white elm. For light sandy soils the silver-leaved is perhaps 

 the best, as even old trees growing in such soils seem to retain 

 the vigor of youth, while the sugar maple, Norway, and some 



