652 Obobb 122.— SALICAOE^ffi. 



1 S. trfstis Ait. Sage "Willow. Los. linear-lanceolate.or oblanceolate, cuneate 

 at base, entire or remotely undulate-toothed, margin subrevolate, apex acute or 

 obtusish; slip, minute, na/rrow-lanceolate, caducous; amenis yery small; scales or- 

 bicular-oblong, hairy at the margin; ova. with grayish, silky pubeacenoe; sty. 

 short. — Sandy or dry fields, borders of woods, pastures, IT. Eng. to Wis. and Car. 

 A small, downy shrub, with a profusion of naked aments. Leaves at length nu- 

 merous, often crowded and rosulate at the ends of the branches, 1 — 2' long, taper- 

 ing from above the middle to a very short petiole,, the margin often revolute, 

 under surface glaucous, often pubescent. Varies with the twigs and the dimin- 

 ished Ivs. grayish white. 



2 S. Muhlenberghiana Barratt. Los. oblanceolate, remotely serrate, glabrous 

 above, pubescent and not rugous beneath ; young tranches smooth ; siip. bmate, 

 subdentate ; aments precocious, diandrous ; scales lanceolate, obtuse, villous ; dva. 

 pedicellate, lanceolate, silky ; sitj. long, bifid ; stig. 2-Iobed. — A shrub in dry 

 soils, N., Mid. and W. States, 4 — 8f high, with brown twigs. On the ends of 

 these, cone-like excrescences are often produced by the punctures of insects 

 Aments, covered with very hairy scales, appearing before the loaves in April. 

 (S. humilis Marshall? S. conifera Muhl.) 



3 S. cdndida "Willd. "White "Willow. Lvs. lanceolate or linear-lanceolate, 

 very long, obscurely serrulate at the summit, pubescent above, hoary-tomenfcis 

 beneath, revolute on the margin ; siip. lanceolate, as long as the petioles ; aments 

 cylindrie ; scales obovate, , obtuse, very long, hairy ; stig. 2-lobed.-iA beauti&l 

 species in shady woods, Mid. and "W. States. Stems 4 — 6f high. Leaves 8 — 12' 

 by 1 — 2'. Catkins dense, white with dense wool. Styles and stigmas dark red, 

 i' in length. Apr., May. 



4 S. discolor Muhl. Branches pubescent when young, brownish or greenish; 

 lvs. oblong or obovate-oblong, acute or rather acuminate, remotely serrulate- 

 toothed, pubescent when young, glaucous beneath; stip. lunate, entire, or with 

 obtuse teeth; aments obloag-ayimdric,, silky, erect; scales very hairy, oblanceolate, 

 acute ; ovaries on short pedicels, densely silky. — Shrub or small tree, 7 to 16f 

 high, in wet places, N. Eng. to 111. and Car. Lvs. 2 to 5' long, finally glabrous, 

 the stipules usually conspicuously toothed at base. Aments 1' to 18" in flower, 

 the fertile at length 2' or more. Sterile dense, silky white. 



5 Seriooephala Mx. "Woolly-headed Swamp "Willow. Branohlets very pu- 

 bescent, brown or purplish ; lvs. lanceolate-elliptic or oblong, cuneate at base, 

 entire or remotely serrulate above, under surface glaucous or ferruginous, both 

 surfaces pubescent when young, at length the upper suriaoe green and nearly 

 smooth ; stip. semicordate, with sharp serraiv/res, aments oval-oblong, densely vit- 

 lous; scales obovate, obtuse. — A small tree, putting forth its large and exceedingly 

 woolly catkins in Apr. Grows in swamps, N. Eng. 



6 S. seusitiva Barratt. Pkost ob Tender "Willow. Los. ovate-lanceolate, 

 acuminate, cuneate and entire at base, finely serrate at the apex:, and more dis- 

 tantly and strongly serrate towards the base, glabrous and rather thin ; siip. stib- 

 falcaie, serrate ; $ aments rather lax ; scales ratlier lax, lightly clothed with grayish 

 black hairs. — A small tree about 15f high, found in various parts of N. Eng., 4a 

 The aments and twigs are frequently destroyed by frost at flowering time, being 

 thinly protected with hairs. Lvs. smooth, 3 to 5' by IJ to 2'. Aments li' 

 long, 



7 S. serioea Marsh. Gray "Willow. Los. lanceolate, serrulate, acuminate, 

 smooth above, silky beneath; stip. ovate-oblong, denticulate, deflected, deciduous; 

 scales oblong, hairy, black at the tip, rather longer than the ped'icel of the oblong, 

 silky ovary ; stig. sessile, obtuse. — A shrub 6 to 8f high, in inundated - meadows, 

 N". Eng. to "Wis. and Ya. Branches purplish, long and slender, very tough, ex- 

 cept at the base, where they are very brittle. Lvs. 2 to 4' by J to 1'. S Aments 

 very abundant, f long. (S. grisea "Willd.) 



8 S. petiol^ris Smith. Lokg-stalked Green Oster. Lvs. lanceolate, serrate, 

 acuminate, smooth, glaucovs beneath, silky at b.aae, mostly inequilateral: stip. lu- 

 nate, dentate ; aments appearing before the leaves ; scales lax, obovate, obtuse, 

 hairy, black, shorter than the pedicel of the ovoid-acuminate, aiVey ovary ; stigma 

 2-lobed, sliort-styled. — Low grounds, banks of streams, Conn, to 111. and S. CS>r, 



