salix SALICACE.E 621 



downy when young, soon smooth : leaves oblong-obovate to oblanceolate, 

 acute, or the earliest obtuse with an abrupt point, narrowed at base into 

 short petioles, dark green above except the whitish-pubescent midrib, 

 covered beneath with a lustrous white and satiny tomentum, entire or 

 obsoletely crenate : stipules reniform, often wantiDg : aments appearing 

 with the leaves, with a few small bracts at base, slender, densely flowered; 

 the staminate 1-2 inches long, the obovate obtuse dark scales pubescent 

 with long hairs; pistillate aments 12-18 line? long, the dark-colored scales 

 pubescent: capsule ovate-conic, acute, densely white-tomentose : style 

 elongated: stigmas scarcely emarginate, thick, erect. Common along 

 streams, California to Alaska. 



S. pellita Anders. Monogr. Sal. 139, fiig. 72, g. A shrub with green- 

 ish-red to dark red shining twigs, when young, sometimes covered with a 

 glaucous bloom : leaves numerous, narrowly oblanceolate, acute or acumin- 

 ate, or the lower obtuse, l>£-2 inches long, 4-6 lines wide, the margins 

 entire or obscurely crenate, revolute, dull green and thinly pubescent 

 above, becoming glabrous, densely and persistently silvery-tomentose be- 

 neath : petioles slender, 2-3 lines" long : stipules only on vigorous shoots, 

 semi-cordate, 2-3 lines long : pistillate aments on short bractless peduncles, 

 thick, very densely flowered, about an inch long: scales pilose, acute, 

 tawny, dark at the apex: capsule tomentose, becoming glabrate, ovate- 

 conical, acute, a line long, on short pedicels: style elongated; stigmas 

 thick, entire, erect. Brit. Columbia to California. 



S. Leininoni Bebb Bot. Cal. ii, 88. A shrub 6-15 feet high : branches 

 slender, at first covered with short appressed hairs, becoming smooth: 

 leaves lanceolate, acute or acuminate at both ends, entire or remotely sub- 

 serrate, silky-pubescent, when young, paler beneath, slender-petioled : 

 stipules small, semi-ovate, acute, serrate, deciduous: aments oblong or 

 cylindrical, rather densely flowered, appearing with the leaves, on short 

 peduncles bearing 2-3 small acute leaf-like bracts: scales obovate, obtuse 

 or somewhat acute, black, thinly pilose: capsule ovate-lanceolate, acute, 

 grayish-tomentose, 2-3 lines long: style medium sized: stigmas erect; en- 

 tire. Along streams, eastern Oregon to California. 



S. glaucops Anders, in DC. Prodr. xvi, 281. I have neither speci- 

 mens nor description of this species : it is a low cespitose shrub growing on 

 the sides of high mountains, Idaho to Montana aud Wyoming. 



S. glauca var. villosa Anders. Sal. Bor. Am. 22. A diffuse shrub 

 3-7 feet high, with short and stout branches : leaves oblanceolate, acute or 

 short acuminate, attenuate at base, 2-4 inches long, varying from soft- 

 villous to scarcely pilose when young, at length glabrate and rigid, more 

 or less glaucous beneath: stipules linear-lanceolate rather persistent: 

 aments short-peduncled, the pistillate when mature sometimes very large, 

 2-3 inches long and % inch thick : scales oblong-obovate, rather acute, 

 brownish: capsule lanceolate, acuminate, tomentose, at length subglabrate, 

 shortly pedicelled : style short or scarcely produced : stigmas bifid or entire. 

 Mount Hood Oregon to California. 



S. petrophila Rydb. Bull. N. Y. Bot. Garden i, 268. S. arctica var* 



■petrxa Anders. A dwarf creeping shrub with suberect branches only 2-4 

 inches long, leafy at the top : leaves lanceolate, tapering somewhat equally 

 to the base and apex, an inch long, entire, green on both sides, slightly 

 paler and prominently nerved beneath: aments terminal, erect, at length 

 thick and densely flowered, an inch or two long: scales thin, brownish, 

 sparsely pilose: capsule ovate-conical, 2-3 lines long, silky, subsessile : 

 styie very much elongated, slender: stigmas bifid, divaricate. On high 

 mountains, eastern Oregon to California and the Rocky Mountains. 



S. tenera Anders, in DC. Prodr. xvi, 288. I have not seen specimens 



