THE MAPLES. 81 
and May. Its wood is fine, white, and close-grained, 
very tough, and susceptible of a good polish. 
This species is confined to the woody, mountainous 
country that skirts the shores, and is particularly abun- 
dant in the region of the rapids of the river Columbia. 
It is propagated by layers, and is of rapid growth, the 
annual shoots often acquiring a length of six to ten feet. 
