SALICACEAE. 
11. Salix vestita Pursh. Hairy Willow. 
(Fig. 1183.) 
Salix vestita Pursh, Fl. Am. Sept. 610. 1814. 
A low shrub, similar to the preceding species, the 
twigs 4-sided, green. Leaves obovate, thick, mostly 
retuse or emarginate at the apex, slightly crenulate, 
narrowed or rounded at the base, dark green and 
glabrous above, persistently tomentose-silky be- 
neath, short-petioled, 1/-2’ long; petioles 2’/—4’’ 
long, channeled, not glandular; aments terminal, 
unfolding after the leaves, stalked; stamens 2; fila- 
ments distinct; capsules narrowly ovoid-conic, 
sessile, densely silky-tomentose, about 3’’ long. 
Labrador and Quebec to the Northwest ‘Ferritory. 
June. 
Salix rostrata Richards. Frank. Journ. App. 753- 
1823. Not Thuill. 1799. 
Salix Bebbiana Sarg. Gard. & For. 8: 463. 1895. \| 
A shrub, 6°-18° tall, or sometimes a tree 25° 
high, the twigs pubescent or puberulent, terete. 
Leaves elliptic, oblong or oblong-lanceolate, 
acute, acuminate or some of them blunt at the \ yf 
apex, rounded or narrowed at the base, sparingly ( 
serrate or entire, dull green and puberulent Y) 
y yy 
fh “ 
| 
i 
above, pale, reticulate-veined and tomentose be- / 
neath or nearly glabrous on both sides when very 
old; petioles 2’’-6’’ long; stipules semicordate, ( 4) 
acute, deciduous; aments sessile, expanding with (| 
or before the leaves, dense, the staminate 1/-1 4’ i: \ 
long, the pistillate 2’ long in fruit; scales villous, ; Nw 
persistent or deciduous; stamens 2; filaments say « 
distinct, glabrous; stigmas nearly sessile; capsule ‘ AX ; 
very narrowly long-conic, densely pubescent, 
twice as long as the filiform pedicel. Yip 
In dry soil and along streams, Anticosti to Hud- ; y, RY 
son Bay and British Columbia, south to New Jersey, Ly 
Pennsylvania, Nebraska and Utah. April-May. 4 
13. Salix humilis Marsh. Prairie Willow. (Fig. 1185.) 
Saliac humilis Marsh. Arb. Am. 140. 1785. 
A shrub, 2°-8° tall, the twigs tomentose 
or pubescent, terete. Leaves oblanceolate, 
petioled, 2’-4’ long, 4’’-8’’ wide, acute at 
both ends or the lower broader and obtuse 
at the apex, sparingly denticulate, the mar- 
gins slightly revolute, the upper surface 
dark green, dull, puberulent or glabrous, the 
lower densely and persistently gray-tomen- 
tose; petioles 2’/-3’ long; stipules obliquely 
lanceolate or ovate, acute, commonly per- 
sistent; aments unfolding much before the 
leaves, sessile, ovoid-oblong, short, dense, 
the pistillate about 1’ long in fruit; stamens 
2; filaments glabrous; stigmas nearly sessile; 
capsule narrowly conic, densely pubescent, 
much longer than its pedicel. 
In dry soil, Nova Scotia to western Ontario, 
south to North Carolina, Tennessee and Ne- 
braska. Hybridizes with S. discolor. April- 
May. 
