6 52 ORDER 122. SALIC ACE M. 



1 S. tristis Ait. SAGE WILLOW. Lvs. linear-lanceolate or oblanceolate, cuneato ' 

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

 obtusish ; stip. minute, narrow-lanceolate, caducous ', aments very small ; scale* or- 

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

 sl lor t. Sandy or dry fields, borders of woods, pastures, N. Eng. to Wis. and Car. 

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

 merous, often crowded androsulate 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. Lvs. oblanceolate, remotely serrate, glabrous 

 above, pubescent and not rugous beneath ; young branches smooth ; stip. lunate, 

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

 pedicellate, lanceolate, silky ; sty. long, bifid ; stig. 2-lobed. A shrub in dry 

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

 these, cone-liko excrescences aro often produced by the punctures of insects. 

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

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



3 S. Candida Willd. WHITE WILLOW. Lvs. lanceolate or linear-lanceolate, 

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

 beneath, revoluto on the margin ; stip. lanceolate, as long as the petioles ; aments 

 cylindric ; scales obovate, obtuse, very long, hairy ; stig. 2-lobed. A beautiful 

 species in shady woods, Mid. and W. States. Stems 4 Gf high. Leaves 8 12 r 

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

 $ in length. Apr., May. 



4 S. discolor Muhl. Branches pubescent when young, brownish cr greenish : 

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

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

 obtuse teeth; aments oblong-cylindric, silky, erect; scales very hairy, oblanceolate, 

 acute ; ovaries on short pedicels, densely silky. Shrub or small tree, 7 to 15f 

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

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

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



5 ceriocephala MX. WOOLLY-HEADED SWAMP WILLOW. Branchlets very pu- 

 bescent, brown or purplish ; Ivs. 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 surface green and nearly 

 smooth ; stip. semicordate, with sharp serratures, aments oval-oblong, densely vil- 

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

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



6 S. sensitiva Barratt. FROST OB TENDER WILLOW. Lvs. 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 ; stip. sul- 

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

 black hairs. A small tree about 15f high, found in various parts of N. Eng., &c. 

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

 thinly protected with hairs. Lvs. smooth, S to 5' by 1J to 2'. Aments 1-y' 

 long. 



7 S. serfcea Marsh. GRAY WILLOW. Lvs. lanceolate, serrulate, acuminate, 

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

 scales oblong, hairy, black at the' tip, rather longer than the pedicel of the oblon<j, 

 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 -t' by J to 1'. ? Aments 

 very abundant, ' long. (S. grisea Willd.) 



8 S. petiolaris Smith. LONG-STALKED GREEN OSIER. Lvs. lanceolate, serrate, 

 acuminate, smooth, glaucous beneath, silky at base, 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, silky ovary ; stigma 

 2-lobed, short-styled. Low grounds, banks of streams, Conn, to 111. and S. Car. 



