WILLOW. 



251 





to a considerable extent here and IS mir best large Weeping Wil- 

 low. It attains large sixe in favorable locations, but is occa- 

 -omially killed back by severe winters. 



Salix nigra. Black Willow. 



Leaves vary greatly in 

 H/.C and outline on differ- 

 ent trees, but are generally 

 narrowly lanceolate, long 

 pointed, serrulate, some- 

 what pubescent especially 

 on the lower surface; when 

 mature two and one-half to 

 five inches long, bright 

 green and glabrous above, 

 somewhat paler and glab- 

 brous beneath, and some- 

 times pubescent on the 

 underside of midribs. Stip- 

 ules persistent or soon fall- 

 ing away. Catkins appear with the leaves; stamens three to 

 seven, distinct. Our largest native willow, forming a large tree, 

 with dark brown or almost black rough flaky bark. 



Distribution. Along streams and lakes, New Brunswick to 

 Eastern Dakota, south to Florida, Texas and Arizona. 



Propagation. By cuttings, but seedlings may often be gath- 

 ered. 



Properties of Wood. Light, soft, weak, close grained, checks 

 badly in drying; light reddish brown, with nearly white sap- 

 wood. Specific gravity, 0.4456; weight of a cubic foot, 27.77 

 pounds. 



Uses. The Black Willow is seldom used for ornamental or 

 timber planting. The wood is used for fuel and the bark domes- 

 tically in the treatment of fevers. 



Figure 50. Wisconsin Weeping Willow. 



Salix amygdaloides. Almondleaf Willow. 



Willow. 



Peachleaf 



Leaves lanceolate or ovate-lanceolate, long-pointed, three to 

 five or more inches long, slightly pubescent when young, green 

 above, pale and glaucous below with stout yellow or orange-col- 



