WILLOW FAMILY. 497 
8. Salix purpurea IL. Purple Willow. (Fig. 1180.) 
Salix purpurea V,. Sp. Pl. 1017. 1753. 
Aslender shrub or small tree, with purplish flex- 
ible twigs, maximum height about 12°; branches 
often trailing; bark smooth and very bitter. Leaves 
oblanceolate or spatulate, acute, serrulate, narrowed 
at the base, short-petioled, glabrous, green above, 
paler and somewhat glaucous beneath, 1 4’-3/ long, 
2'4//-4// wide, some of them commonly subop- 
posite; stipules minute; petioles 1//-2/’ long, not 
glandular; aments appearing before the leaves, 
dense, leafy-bracted at the base, the staminate 
about 1/ long, the pistillate 1/-2’ long, sessile or 
nearly so; stamens 2; filaments and sometimes 
also the anthers united, pubescent; scales purple, 
persistent; stigmas very nearly sessile; capsules 
ovoid-conic, obtuse, tomentose, 214’ long. 
States. Native of Europe. Also called Bitter, Rose 
and Whipcord Willow. April-May. 
‘ Sparingly escaped from cultivation in the Atlantic 
) 
g. Salix fluviatilis Nutt. Sandbar Willow. River-bank Willow. (Fig. 1181.) 
Salix longifolia Muhl. Neue Schrift. Ges. Nat. Fr. Ber- 
lin, 4: 238. p/. 6. f.6. 1803. Not Lam. 1778. 
Salix fluviatilis Nutt. Sylva, 1:73. 1842. 
A much-branched shrub, 2°-12° high, forming 
thickets, or sometimes a slender tree, 20°—30° tall, and 
with a trunk 1° in diameter, the young foliage silky- 
pubescent, the mature leaves glabrous, or nearly so, 
those of seedlings pinnately dentate or lobed. Leaves 
linear-lanceolate or linear-oblong, 214/—4’ long, 2'4//— 
5’’ wide, acuminate, remotely denticulate with some- 
what spreading teeth, short-petioled, bright green; 
petioles not glandular; stipules minute or none; 
aments on short, leafy branches, linear-cylindric, the 
staminate dense, 1/-114’ long, the pistillate looser, 
about 2’ long in fruit; scales deciduous; stamens 2; 
filaments pubescent, distinct; stigmas broad, sessile; 
capsule ovoid-conic, glabrous or silky, about 2’/ long. 
Along streams and lakes, Quebec to the Northwest 
Territory and Oregon, south to Virginia, Kentucky and 
New Mexico. Wood soft, reddish-brown; weight per 
cubic foot 31 lbs. April-May. 
1o. Salix reticulata L. Net-veined 
Willow. (Fig. 1182.) 
Salix reticulata 1,. Sp. Pl. 1018. 1753. 
A procumbent shrub, 3/-10’ high, often sending 
out roots from the twigs, the young shoots 4-sided, 
purple-green. Leaves elliptic or obovate, thick, ob- 
tuse, narrowed, rounded or subcordate at the base, 
slender-petioled, glabrous or somewhat silky-pubes- 
cent when young, dark green above, not shining; 
glaucous and strongly reticulate-veined beneath, 1/— 
2/ long; petioles 4/’-12/’ long, channeled, not glan-, 
dular; leaves obscurely crenulate or entire; stipules 
oblong, obtuse; aments terminal, long-stalked, 
dense; scales obtuse; stamens 2; filaments distinct, 
pubescent at the base; stigmas sessile; capsule ovoid- 
conic, sessile, glabrous or pubescent, about 3’” long. 
Labrador and Quebec to Alaska, south in the Rocky 
Mountains to Colorado. Also in northern Europe and 
Asia. June. 
