452 SAI.K ACK.K. (wil.I.dW lAMII-V.) 



hairy, acnio. — Muimtaiiis nf North ("an.lina. March - A|>ril. — A tree 4 0'^- 

 60^ hiuli, witli vfUowish l>ark. L«'aves li'-.T hui;;. 



3. B. lenta, L. (Ciiiouuv Biucu.) Hramhhjts sun "it h ; leaves ovate or 

 ohh>n;Xiivale, ariite, ii>r<lalf, riiicly ami (huilily strrate, silky when youiif^, at 

 leiiglli only on tlic jietiolcs and veins henealh ; fruiting anients ohlong; lohes 

 of the hrails wiilely spreailing, acute, smooth. — Cool shady hanks in tlio 

 ui)per parts of (Jcorgia, and northward. March. — A niidiUe-sized tree, with 

 dark hrown rugged hark, and dose and fine-grained wood. Young twigs 

 8](iey and aromatic. 



2. ALNUS, Touru. Alm;r. 



Sterile aments elongated, drooping. Bracts peltate, 5-bracteolate, 1-.3- 

 flowered. Caly.x 4-parted or (in No. 2) scale like. Stamens 4 : anthers 

 2-celled. Fertile aments short, erect. Bracts Heshy, 2Howered. Caly.v of 

 four minute scales, adherent to the bracts. Bracts of the fruiting anient 

 woody, persistent. Nut angled or winged. — Shrubs or small trees. Leaves 

 petioled, serrate, the stalked buds covered witii a single scale. Fertile ameuts 

 racemed. 



1. A. serrulata, Ait. Leaves obovate, obtuse or abruptly j)ointed, serru- 

 late, commonly jjubescenl beneath, acute at the base, short])etioled ; stijjules 

 oval, obtuse ; fruiting aments ovoid, short-peduucled ; fruit ovate, wingless. — 

 Banks of .streams. Jan.- March. — Shrul) 3°- 12° high. Leaves 2' -4' long, 

 thickish, ami jiartly persistent at its southern limits. Calyx of the sterile 

 flowers 4-parted. 



2. A. viridis, DC- Leaves oval, rounded at both ends, slightly oblique 

 at the liase, finely and sharjdy serrate, softly pubescent ou the lower surface, 

 or only on the veins and petiole; stipules ovate; calyx of the sterile flowers 

 scale-like ; fruiting aments ovoid, long-peduncled ; fruit winged. High moun- 

 tains of North Carolina. April. — A low much branched shrub. Leaves 

 l'-2' long. 



Ordkr 132. SALIC ACEiE. OViixow Family.) 



Trees or .'^hrubs, with softwood, alternate simple sti]Milate leaves, 

 and dinpcioti.s amentaceous flowers, destitute of calyx and corolla, each 

 solitary in the axil of a simple bract. Stamens 2 -many. Ovary 

 1-celled or imperfectly 2-celled, with numerous erect anatropous ovules 

 in each cell. Styles 2, very short, more or less united : stigmas 2- 

 lobed. Fruit a 2-valved many-seeded capsule. Seeds minute, clothed 

 with long silky hairs. Albumen none. Cotyledons elliptical, flat- 

 tened. Radicle pointing downward. 



1. SALIX, Tourn. Willow. 



Bracts of the aments entire. Flowers each with 1-2 sm.all glands. .Sta- 

 mens 2-6, free, or their filaments cohering at the base. Stigmas short, 2-lobed. 

 — Leaves commonly narrow, short-petioled. Stipules scale-like and deciduous. 



