BLACK WILLOW. 
79 
with sessile stigmas, as in other species of this particu- 
lar groupe. 
Plate XXI. 
A branch of the natural size. a. The scale, b. The stamen. 
c. The germ. 
The Salix triandra, so nearly allied to the present 
species, becomes a tree 30 feet high, and is frequently 
planted in osier grounds for the basket-maker; but the 
best kind planted for this purpose is the Osier, properly 
so called, (S. viminalis,) which might be propagated in 
almost every part of the United States. 
BLACK WILLOW. 
Salix nigra, Mich. Arb., vol. 2. plate 125. fig. 1. A 
variety of this tree occurs in South Carolina and Flo- 
rida, in which the leaves are villous and the scales of 
the ament densely lanuginous. In the herbarium of Mr. 
Schweinitz it was marked, on the authority of Elliott, 
as a species S. subvillosa. 
This tree, a native of all the States from New Eng- 
land to Florida, and west nearly to the foot of the 
Rocky Mountains, is one of the few native species 
which becomes a tree, attaining the height of 15 to 25 
feet, with a diameter of 10 to 15 inches. It affects the 
banks of rivers and lakes, and generally grows near to 
the water, in moist, occasionally overflowed situations. 
In the warmer parts of the States it puts on a handsome 
appearance, particularly when in flower, but has the 
defect of branching almost from the base, and leaning 
