2%. Se bobbiana Sargt. liuche=branched shrub or small tree 2-5 m,. tall 
— oe 
with short brown or olive twigs which are pubescent to glabrous, their 
i far. 
internodes relatively short, the leaves thus usually crowded; leaves ; 
elliptical or oval, rarely obovate, mostly 2=4 cm, long, 1-5-3 cm, wide, 
acute at the apex or abruptly short-acuminate at the very end, narrowed 
or rounded at the base, mostly entire, dull green above and somewhat downy, 
softly ashy-pubescent beneath, the veins reticulate; stipules inconspicuous; 
opp tarde Unt th Pie 
petioles commonly 5-6 mm, long; catkins ecoteneeus but rather late, the 
pistillate commonly persistent into the summer; staminate catkins 1-2 cm, 
long, plump; pistillate catkins on short leafy branchlets 3-6 cm, long, 1-2 
cm, wide; bracts oblong-elliptical, acute yellowish; stamens 2, their 
filaments very slender; capsules woolly, 6-10 Me i slender pedicels 
2-5 mm, longe (Se perrostrata Rydbe), 
— 
Common along streams and along lakes in swampy places at lower elevationse 
246 Se scoulcriana Lbarratte Shrub or small slender tree 2-12 m. tall with 
dull gray smoothish bark and brown branchlets, usually lightly downy; D.B.H, 
as much as 20-2) citey leaves variable but prevailingly clliptical-oblanceolate, 
usually somewhat wider above the middle, commonly 5-12 cm, long, 2-4 cm, wide 
(larger in shade forms); obtuse or abruptly acuminate at the apex, narrowed 
toward the base and usually wedge-shaved but often rounded, subentire but 
often crenate-undulate or even crisved, green and ¢labrous above, with a soft 
dull velvety pubescence beneath, the midvein yellowish and pubescent (rarely 
glabrous and glaucous beneath); petioles Commonly 5-12 mn, 1% at stipules 
Cops bh ATMA a, vt tL Lave, ; 
usuclly conspicuous, kidney-shaped or earlike; ‘catkins ; bOUE, sessile 
or on short branchlets, the staminate plump, 1.5-35 cm. long, the pistillate 
2-5 cm. long, compacts; scales obovate, black, hairy; stamens 2, their filaments 
glabrous; cansules woolly, 7-9 ma, long. 
Common throughout our region, abundant on dry hillsides in burns vhcre 
it forms an important factor in carly successions 
