SALICACEiE. 321 



Wliite Mountains, N. H. High mountains in Essex county, N. Y. June. T^ • — 

 Stem depressed, much branched, smooth. Leaves from half an inch to an inch 

 long. Aments about half an inch long. Cutler's Willow. 



*** Leaves closely and acutely serrate. 



12. /S. Purshiana Spreng. : leaves very long, linear-lanceolate, gradually 

 attenuate above, subfalcate, acute at base, finely toothed-serrate, smooth 

 on both sides, silky when young ; stipules lunate, toothed, reflexed ; ovaries 

 smooth, pedicellate ; style short. S. falcata Pursh. S. nigra var. falcata 

 Torr. N. Y. Fl. 



Banks of streams. N. Y, to Virg. — A small tree, 6 — 10 feet high, with 

 smooth and slider branches. Aments 1 — 2 inches long. Capsules brownish. 



Pursh's Willow. 



13. S. nigra Marsh. : leaves lanceolate, acute at each end, serrulate, 

 smoothish and green on both sides ; petiole and upper side of the midrib to- 

 mentose ; stipules small, lunate, caducous ; aments appearing with the 

 leaves ; scales oblong, very villous ; filaments 3 — 6, bearded at base ; ovary 

 pedicelled, ovoid, smooth ; style very short ; stigmas bifid. (S. Caroliniana 

 Mich. 



Banks of streams. N. Y. to Car. April, May. — A tree 15 — ^20 feet high, with 

 dark rough bark, generally branching from the base ; branches very brittle 

 at base. Sterile aments 2 inches long. Stamens usually 5. Black Willow. 



14. (S*. lucida Muhl. : leaves ovate-oblong, cuspidate-acuminate, rounded 

 at base, glandular-serrate, smooth and shining on both sides ; stipules 

 roundish or oblong, serrate ; aments appearing with the leaves ; scales lan- 

 ceolate, obtuse, hairy at the base, Smooth and serrate at the apex ; ovary 

 lanceolate-subulate, smooth ; style short; stigmas bifid. 



Banks of streams. N. Y. to Virg. May. \i.—Stem 8—12 feet high, with 

 yellowish-brown bark. Sterile aments an inch and a half long, with yellow 

 scales. Stamens usually 5. Closely allied to S. pentandra of Europe. 



Glossy-leaved Willow. 



15. S. rigida Muhl. : leaves oblong-lanceolate, acuminate, cordate at 

 base, rigid, coarsely serrate, smooth, paler beneath ; petioles villous ; stip- 

 ules large, cordate, obtuse, serrate ; aments appearing with the leaves ; 

 scales lanceolate, woolly, black; ovaries on long pedicels, lanceolate, 

 smooth ; style very short ; stigmas 2-parte.d. S. cordata Mich. 



Swamps. N. Eng. to Virg. April, May. T^. — Stem 6 — 12 feet high; 

 branches green, red towards the end, the younger ones pubescent. Aments 1 — 2 

 inches long, on short leafy peduncles. Stamens usually 2. It is tough, and 

 much used by basket makers. Rigid Heart-leaved Willow. 



16. »S. rostrata Richardson : leaves oblong or obovate-lanceolate, acute, 

 entire, toothed or waved on the margin, glaucous and hoary-pubescent 

 beneath, smoothish above ; stipules lunate or ovate, toothed ; sterile aments 

 densely flowered, the fertile at length much elongated ; capsules with a 

 long slender beak ; stigmas subsessile, 2-cleft. 



Margins of swamps. Western N. Y. N. to Arct. Amer. April. ?2- — Stem 

 1 — 15 feet high, with numerous reddish-brown branchlets. Aments on leafy- 

 peduncles; the sterile ones about an inch, the fertile ones nearly 2 inches, long. 



Ochre-Jlowered Witloio. 



17. S. cordata MM. : leaves oblong-lanceolate, acuminate, cordate at 

 base, acutely serrate, smooth, paler beneath; stipules large, roundish- 



14* 



