SALIX. CXXVIL SALICACE.E. 505 



the apex; ova. narrow-lanceolate, silky, long-acuminate, on very long pedicels ; 

 sty. very short ; stig. lobed, the lobes bifid or entire. Shrub or small tree 8 lOf 

 high. Bark of the trunk dark-coloredj of the branches yellow. 



8. CORDAT.E. Tall shrubs with dichotomous, Jlexuous, smooth branches. Leaves 

 cordate or attenuate at base, glabrous. Stipules semi-cordate, serrate. Aments slightly 

 pedunculate, ovoid-cylindrical, cotemporary; scales subciliate, red or yellowish. Sta- 

 mens 2 or 3. Ovaries pedicellate, glabrous. Barratt. 



25. S. CORDATA. Heart-leaved Willow. 



Lvs. oblong-lanceolate, acuminate, cordate at base, smooth; slip, large, 

 roundish-ovate, serrate; aments triandrous; scales lanceolate, woolly, black; 

 ova. pedicellate, lanceolate, smooth ; sty. very short ; stig. bifid. An elegant 

 shrub, 6 8f high, in swamps throughout the Middle States. Branches green 

 and smooth, with light green leaves an inch wide and 3' long. Aments an inch 

 long, accompanying the leaves in April and May. 



26. S. RIGIDA. Stiff-leaved Willow. 



Lvs. oblong-lanceolate, acuminate, subcordate, rigid, smooth, coarsely ser- 

 rate, the lowest serratures elongated, petioles villous ; slip, large, cordate, obtuse, 

 glandular-serrate ; aments triandrous ; scales lanceolate, woolly, black ; ova. on 

 long pedicels, lanceolate, smooth ; sty. very short ; stig. 2-parted. A small tree, 

 10 15f high, growing in swamps. Branches green, red towards the end, the 

 younger ones pubescent. Much used in basket-making. April, May. 



27. S. TORREYANA. Barratt. Tarrey's Willow. 



Lvs. cordate-ovate, sharply pointed, margin wavy, finely serrate, paler 

 beneath ; slip, large, semicordate ; $ aments slender, scales lanceolate, black- 

 ish, ciliate ; sta. 2 ; fiL rather short ; ova. on short pedicels, smooth, deltoid- 

 lanceolate ; stig. 4-parted, flesh-colored ; caps, green. A fine, shrubby willow, 

 6 lOf high, river banks, N. Eng., recognized by its broad, heart-shaped, glossy 

 leaves with a wavy margin, sharp point, and very large stipules. Branches 

 of a light gray color, branchlets yellowish-green. Apr. 



28. S. LONGIFOLIA. Muhl. Long-leaved Willow. 



Lvs. linear, acuminate at each end, elongated, remotely toothed, smooth, 

 nearly of the same color on both sides ; stip. lanceolate, dentate ; aments 

 tomentose, pedunculate ; sta. 2 ; scales flat, retuse ; fil. bearded at base, twice 

 longer than the scales. River banks from the Conn, and Ohio to Oregon and 

 Brit. Am. It possesses a remarkable power of rooting, extending itself and 

 binding the loose sands together. Stems about 2f high, with brown branches 

 and white branchlets. 



29. S. ANGUSTATA. Ph. Narrow-leaved Heart Willow. 



Lvs. lanceolate, acute, very long, gradually attenuated at base, very gla- 

 brous, serrulate, nearly the same color both sides ; stip. semi-cordate ; aments 

 erect, somewhat glabrous ; ova. pedicellate, ovoid, glabrous ; sty. bifid ; stig. 

 2-lobed. Banks of streams from the Conn, to the Miss. An excellent osier, 

 with very long and slender twigs, long and narrow leaves. 



9. AHBUSCUL.E. Small shrubs, inhabiting arctic or alpine regions. Aments cotem- 

 porary with the leaves. 



30. S. HERBACEA. Herb Willow. Arctic Willow. 



Dwarf; Ivs. orbicular; serrate, glabrous, veiny ; aments few-flowered, ses- 

 sile; scales small, glabrous; ovaries sessile, lanceolate, glabrous; style short; 

 stig. lobes bifid. On the alpine regions of the White Mountains ! N. to Lab. 

 and the Arc. Islands. An interesting little shrub, the smallest of its tribe. 

 Stem ascending, 1 2' high. Leaves about 3" diameter, smooth and shining 

 on both sides. Stipules wanting. Roots long, creeping, branching. Jn. Jl. 



31. S. MYRTiLLdlDEs. (S. pedicellaris. Ph. and auct. Am.} 



Lvs. oblong-elliptic, acute or obtuse, rather obtuse at base, entire, both 

 sides glabrous, beneath glaucous and reticulate- veined; aments pedunculate; 

 caps, ovate-conic, glabrous, long-pedicellate ; scales short, obtuse, a little hairy ; 

 sty. very short ; lobes of the stigma cleft. Swamps, N. Eng. and N. Y. A low 

 and elegant shrub, with rather a virgate habit, remarkable for its entire smooth- 



