ki'dix. 



SAIJCACE.E. 



83 



Shiubs. Stamens 2 : scales pale ; those of fniitin;^ anient subJeciduous. 

 Leaves 1 to 3 or 4 inches long. 



Stigmas very short, thick : leaves smooth or silky. 4. 



Stigmas bifid, with linear lobes: leaves hoary-pubescent. 5. 



Leaves ^ inch long, yew-like : aments short and thick. 6. 



Dwarf creeping alpine slirub : scales dark, persistent. 17. 



Staniinate aments sessile or nearly so; pistillate sessile or on short peduncles, 



with or without bracts, the scales persistent. 



Stamens .solitary : .scales densely villous : leaves rigid, i)ersistent, densely 



tomcntose beneatli. 

 Stamens 2 to each usually dark colored scale. 

 Capsules glatjrous. 



Shrub. Leaves lincly si'rrate, soon smooth, j)alcr beneatli. 7. 



Tree or shrub. Leaves une(iually subserrate, pubescent, rusty- 

 glaucous beneath. 8. 

 Cajisiiles tomcntose, sometimes glabrous in n. 16. 

 Style none. 



Aments oblong, sessile, apjiearing before the wedge-obovate leaves. 9. 

 Aments roundish, peduncled, appearing with the silky lanceolate 



leaves. 10. 



Style evident. 



Aments small, roundish : capsules sessile, 1 line long : leaves 



myrtle-like. 18. 



Aments elongated-cylindrical : capsules sessile, 2 lines long: leaves 



narrow, sage-like. 14. 



Aments oblong or cylindrical : capsules more or less pedicelled. 

 Alpine shrubs, 4-6 feet high . branches short and stout : cap- 

 sules shortly pedicelled. 

 Leaves entire. 15. 



Leaves glandular-serrulate. 16. 



Large shrulis, 6-15 feet high : branches slender : capsules pedi- 

 celled. 

 Leaves green above, densely silky-pubescent beneath. 

 Leaves soon glabrate or scarcely pubescent beneath. 



Aments preceding the leaves, sessile. 13. 



Aments produced with the leaves, more or less peduncled. 12. 



S. LONGIFOLIA. 

 S. SESSI 1,1 FOLIA 

 S. TAXIFOLIA. 

 S. AKCl ICA. 



19. S. COULTKRI. 



7. S. CORDATA. 



8. S. LASIOLEI'IS. 



S. FLAVESCKNS. 



S. Gf,yekiana. 

 S. Monica. 



S. BUEWERI. 



S. OLAITA. 



S. Califorxica. 



11. S. SlTCHEXSIS. 



S. Ai'sTix.t:. 

 S. Le.\i.moxi. 



§ 1. Stamens 3 to 5 : scales yelloiuish, faUing before the maturity of the fertile 

 ament : filaments hairy below. Trees. 



* Petioles not (jlundular. 



1. S. nigra, Marsh. Trunk sleiulcr, often crooked or leaning, with rough dark 

 hark, hranclies hrittle at hase ; leaves hnear-Ianceolate, tapering from near the acute 

 base to an extremely long point, often falcate, 4 to G inches long, 3 or 4 lines wiile, 

 closely serrate, smooth and green on hoth sides, the midrib prominent ; stipules 

 semicordate, often wanting : aments with leafy peduncles, elongated, the fertile be- 

 coming ratlier lax : scales entire or only slightly dentate, villous with crisp haii-s : 

 capsules ovate-conical, glabrous, brownish-tawny, more or less i)edicelled : styles very 

 short; stigmas slightly notched. — Anders. Sal. Monogr. 19, iig. 15, and 1)(J. Prodr. 

 xvi.'-'. 200. 



Growing on the banks of streams and lakes, and bending over the water. Cache Creek, near 

 Clear \.nkc {BolaadT) ; "Saciamento Valley," Wilkes's Kxploring FA'pedition (n. 1234); Fort 

 Mohave, C'oo/yrr. Collected hy Fremont in Utah and by Wviijlil in New Mexico; not before re- 

 corded from west of the Sierra Nevada. Everywhere common between the Gulf of Mexico and 

 the Great Lakes. 



2. S. IcBVigata, I'ebb. Leaves lanceolate or oblong-lanceolate, acute or acumi- 

 nate, 3 to 7 indies long and | to 1.^ inches wide, the earliivst oliovate with a mucro- 

 nate point, glabrous, dark green, glossy and juominently nerved above, paler or 

 glaucous beneath, minutely serrulate : ])etioIes downy, not glandular ; stipules semi- 

 cordate, usually small or none : aments leafy-pediincled, elongated, flexuo.se, 2 to 4 

 inches long, rather densely flowered : scales pallid, villous, dentate ; in the male 



