SALICINE^. (WILLOW FAMILY.) 337 



downy but very soon glabrate and dull greeu alxne, glaucoua and rufou;* 

 pubescent beneath or often when young tluthed with a histrouj* silkv tomeu- 

 tum; margin entire or irregularly suhserraic ; stipules small, denticulate, 

 fugaceous: aments oblong, densely flowered, apfmirimj bt/ure the Iravea, the 

 males closely sessile, an inch long, the females on distinct fK-dunclen, rarely 

 with leafy bracts, in fruit 2 inches long or more : scales Narkisfi, obovate, very 

 silky : capsules white-tomentose, 3 to 4 lines long, tapering into a long l^eak, 

 the slender pedicels about equalling the scales : styles obscjlete ; stigmaji long, 

 entire or deeply parted, the linear lobes inflexed. — A shrub, 4 to 5 feet high, 

 alt. 6, .500 feet. The geographical equivalent of the Ka.stern .S'. discolor, and 

 represented on the western coast by the form known its .S. Scouleriana. 



9. S. ro-trata, Richardson. Leaves varying from obovate to lanceolate, 

 1 to 3 inches long, acute or acuminate, thin at first, becoming rigid, serrate or 

 nearly entire, downy or smooth above, glaucous, reticulate-veined and tonien- 

 tose benedth ; stipules usually small and deciduous : a/ncnts bnu-teate, a/>/>ear- 

 ing with the leaves ; male sessile, rather short, densely Howered ; ft male becvmimj 

 veri/ loose in fruit: capsules tomentose, tapering from near the base into a very 

 long slender beak; pedicels thread-like, conspicuonsli/ exceed iwj the jhiIp, rus-/- 

 tipped, linear, thinl ij-villous scales : style scarcely any ; lobes of the stigma 

 entire or deeply parted. — Does not spread from the root, forming a clump, 

 but has rather the habit of a small bushy tree. A reduced form, divaritately 

 much branched and the slender twigs thickly set with small, oblanceolate, 

 mostly entire leaves, is common in the moimtains. New England to \'an- 

 couver Island and northward to the Saskatchewan. 



S. MACROCARPA, Nutt. {S. Gei/eriana, And.), collected by Geyer on the 

 Coeur d'Alene River in Northern Idaho, is likely to occur within our liiuits. 

 H- H- Pedicels short or none. 

 •*-*■ Stijles distinct. 



10. S. ehlorophylla, Anders. Z^ares lanceolate or oblong-obovate, quite 

 entire, bright green above, glaucous beneath ; stipules none: aments short, clos^'lif 

 sessile, naked at base, cylindrical, remarkably compact: scales very dark: ca|v 

 sules sessile, ovate-oblong, obtuse, densely ashy-tomentose, style olong;itod, 

 entire; stigmas entire. — A straggling bush, 1^ to 6 feet hi^-h, at 11,000 fort 

 alt. One-year-old twigs shining chestnut, sometimes covered with a ghuu <>n?» 

 bloom: buds large, dark-colored : young leaves often silky. Cascade, \Va.««atch 

 and Rocky Mountains ; northward to the Saskatchewan. 



11. S. Candida, WiUd. Leaves narroirli/ lanceolate, subcorincrou/i, 2 to 4 

 inches long, ^ to f inch wide, acute or the lowest obtuse, taporin:; at baso 

 into a short petiole, upper surface downy, becoming nearly glabrous when old. 

 tinder surface covered with a dense snow-irhite tomentum ; margin ol»scurely croim- 

 late, revolute: aments subsessile, erect, cylindrical, when in flower about .ir. 

 inch long, anthers red, when in fruit lengthening to 1^ or 2 inches: scales 

 obovate, clothed with long white hairs: capsule ovate-conic, drusrhi uhitr- 

 woolly; pedicel about twice the length of the elongated, dark-cidored ne<^tary : 

 style elongated, dark red; stigmas short, spreading, notched. — Rogs. foot- 

 hills of the Rocky Mountains; rare. Near Cntbank Creek, Montana. OinAy; 

 Colorado, Hall. Shrub 2 to 5 feet high : young shooUi white-woolly, oldei 

 shining red. 



