Salix. CXXVll. fclALlCACEiE. 601 



Ft. coriaceous, 1 -celled^ 9-valved. 



Sds. numerouB, usrendin?, furnished with u silky coma. Albumen 0. 



Gciieru 2, species ?:o, rhielly iiiilivi-s of \\u: iiortlu-rii temperate and frigid zones, one species, Salix 

 arclica, extcndinir liirlher iioiih Uiiin any other known woody plunl. 



Pr^crncA— The burk is nstrinuent and tonif, possessinjf the febrifugal properties of the sulphate of 

 quinia. The wood is employed for various eronomical purposes. 



Ginc/Ul. 



i 2—5. Capsule 1-celled. ffclix. 1 

 ' Stamens { 8—20. Capsule 2-celled. Populua. 2 



1. SALIX.* 



Celtic sal, near, and lis, water; alluding to their usual locjility. 



Aments cylindric, bracts imbricated, 1 -flowered, each with a nec- 

 tar iferou.s ghiud at base, c^ Calyx ; sta. 2—7. 9 Calyx ; ova. 

 ovoid-lanceolate, acuminate ; stig. 2, mostly bifid ; caps. 1-celled, 

 2-valvcd, valves acuminate, finally revolute at summit ; seeds numer- 

 ous, minute, comose. — Trees, shrubs arid under shrubs. Lvs. usually 

 narrow and elongated^ each with 2 conspicuous stipules. Aments termi- 

 nal and lateral. 



§ 1. CiNERE^. Borrer. Upland, grayish shrubs. Leaves obovate-lanceolate, mostly 

 entire, Tnis'osc, cancscent-pilose, inargins often revolute. Aments oval or oval-cylin- 

 drir, expanding before the leaves, with centrifugal inflorescence. Stamens2. Scales 

 red, finally black.^ 9 aments recurved when young. Ovary pedicellate ; stigma 

 red or pale yellow, finally green. — Barratt. 



1. S. TRisTis. Ait. (S. longirostris. Mlchx.) Sage Willow. 



Lvs. linear-lanceolate or oblanceolate, cuneate at base, entire or remotely 

 undulate-toothed, margin subrevolute, apex acute or obtusish; slip, minute, 

 narrow-lanceolate, caducous ; aments very small ; scales orbicular-oblong, 

 hairy at the margin ; ova. with grayish, silky pubescence ; sty. short. — Sandy 

 or dry fields, borders of woods, pastures, N. Eng. ! to Ind. ! and 111. A small, 

 downy shrub, Avith a profusion of aments in spring, appearing belbre the 

 leaves. Leaves at length numerous, often crowded and rosulate at the ends of 

 ihe branches, 1 — 2' long, tapering from above the middle to a very short peiiole, 

 the margin often revolute, under surface glaucous, often pubescent, upper gene- 

 rally smoothish. In starved specimens the whole plant is grayish- white, with 

 very small leaves. 



/?. (3. Muhlenbergiana. Ph. and \st edit.) Shrub larger in all its parts. 

 Eaik green on the stem, yellowish and downy on the new branches. Leaves 

 2—3' long, often abrupt at base. 



y. Munadclphia. Barratt, Sta. united half their length.— Conn. 



2. S. Muhlenbergiana. Barratt. (S. conifera. Muhl. and \st edit.) Muh- 

 lenberg's Willoio. — Lvs. oblanceolate, remotely serrate, glabrous above, 



pubescent "and not rugose beneath ; yaung branches smooih ; slip, lunate, sub- 

 dentate ; aments precocious, diandi-ous ; scales lanceolate, obtuse, villous ; ova. 

 pedicellate, lanceolate, sillcv ; sty. long, bifid; 5^io-. 2-lobed.— A shrub in dry 

 soils. Northern States, 4 — 8'f 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 leaves in April. 



3. S. CANDIDA. Willd. While Willoio. 



Lvs. lanceolate or linear-lanceolate, very long, obscurely serrulate at the 

 summit, pubescent above, hoary-tomentose beneath, revolute on the margin ; slip. 

 lanceolate, as long as the petioles; aments cylindric; scales obovate, obtuse, 

 very long, hairy; s//if. 2-lobed. — A beautiful species in shady woods. Stems 

 4 — "6f high. Leaves 8 — 12' by 1 — 2'. Catkins dense, white with dense wool. 

 Styles and stigmas dark red, y in length. April, May. 

 § 2. DiscoLOREs. Borrer. Trees or shrubs blossoming in early spring. Leaves 



serrate or denticulate, smooth and shining above, glaucous and pubescent beneath. 



Aments aval or cylindriccd, preceding t/ie leaves, smooth, silky or woolly, wiilwvtfloral 



*■ Arranged arcor.iinir f/i Dr. .Joseph Barratt. Pee preface. 



