WILLOW FAMILY. 501 
20. Salix glauca L. Northern Willow. 
(Fig. 1192.) 
Salix glauca \,. Sp. Pl. 1019. 1753. 
A low arctic shrub, with terete brown twigs, the 
young shoots and leaves densely tomentose, becom- 
ing glabrate when old. Leaves elliptic or elliptic- 
lanceolate, entire, obtuse or acute at the apex, nar- 
rowed at the base, 1/-3’ long, '%’-1’ wide; petioles 
1/’-5’’ long; stipules deciduous; aments borne on 
short leafy branches, the staminate dense, about 1’ 
long, the pistillate 2’-3’ long in fruit, rather loose; 
stamens 2; filaments distinct; scales persistent, - 
densely white-villous; capsule ovoid-conic, densely 
white-tomentose, sessile or very short-pedicelled, 
3’’ long; style about as long as the stigmas. 
Arctic America from Labrador to Alaska. Also in 
arctic and alpine Europe and Asia. Summer. 
y oy 
21. Salix candida Fluegge. Hoary Willow. (Fig. 1193.) 
Salix candida Fluegge; Willd. Sp. Pl. 4: 708. 1806. 
An erect shrub, 2°-5° tall, the older twigs red 
or purple and terete, the younger densely white- 
tomentose. Leaves persistently white-tomentose 
beneath, green and loosely tomentose or becom- 
ing glabrate above when mature, oblong or oblong- 
lanceolate, thick, sparingly repand-denticulate or 
entire, acute at both ends or the lower obtuse at 
the apex, 2/-4’ long, 3//-8’’ wide, their margins 
slightly revolute; petioles 14//-2’’ long; stipules 
lanceolate-subulate, about equalling the petioles, 
deciduous; aments expanding before the leaves, 
dense, cylindric, the staminate about 1/ long, the 
pistillate 1/-2/ long in fruit; bracts villous, persist- 
ent; stamens 2; filaments glabrous; style filiform, 
red, three times as long as the stigmas; capsule 
ovoid-conic, acute, densely tomentose, 214//-3// 
long, very short-pedicelled. 
In bogs, Labrador and Hudson Bay to the North- 
west Territory, south to New Jersey, western New 
York and Iowa. Hybridizes with S. pe/io/arvsand S. 
cordata. May. 
22. Salix viminalis IL. Osier Willow. 
(Fig. 1194.) 
Salia viminalts Y,. Sp. Pl. 1021. 1753. 
A small slender tree or shrub, with terete 
green twigs. Leaves elongated-lanceolate or 
linear-lanceolate, long-acuminate at the apex, 
sparingly repand-crenulate or entire, revolute- 
margined, short-petioled, dark green and gla- 
brous above, persistently silvery-silky beneath, 
3/-6/ long, 2//-8’’ wide; stipules narrow, decidu- 
ous; aments expanding before the leaves, dense, 
the pistillate 2’-3’ long and nearly 14’ in diam- 
eter in fruit; stamens 2; filaments glabrous; style 
longer than the stigmas; capsule narrowly ovoid- 
conic, acute, silky-pubescent, about 3/’ long, 
very short-pedicelled. 
Cultivated for wicker-ware and occasionally es- 
caped into wet places in the Eastern and Middle 
States. Native of Europe and Asia. April-May. 
