7$ Trees with Simple Leaves. [A n 



Fig. 39. Long-beaked Willow, Ochre-flowered Willow. S. 



rostrata, Richards. 



Leaves, SIMPLE ; ALERNATE ; EDGE USUALLY OBSCURELY 

 TOOTHED, but varying from quite sharp-toothed to 

 almost entire and slightly wavy. 



Outline, oval or reverse egg-shape. Apex, sharp (or 

 sometimes rather blunted). Base, narrowing to a 

 point (or sometimes slightly rounded). 



Leaf, two to four inches long ; soft, downy, and almost 

 velvety beneath ; smoothish above ; ribs distinct. 



Bark of trunk, dark colored ; of the branches, usually 

 yellow ; twigs, reddish-brown, straight and tough, 

 downy when young, becoming smooth. 



Found, along borders of woods, and on low grounds, from 

 New England to Pennsylvania, far westward and 

 northward. 



A small tree (or sometimes a shrub), four to fifteen 

 feet high. 



Fig. 40. White Willow. [S. alba, Z.] 



Leaves, SIMPLE ; ALTERNATE ; EDGE SHARP-TOOTHED, with 

 the teeth somewhat thickened. 



Outline, narrow lance-shape. Apex, taper-pointed. Base, 

 pointed. 



Leaf, about five inches long, three quarters of an inch 

 wide ; surface with white silky' hairs beneath, and 

 often above ; branches not yellow, and very brittle 

 at the base. 



Introduced from Europe, but now common around 

 houses and in low grounds. 



