310 ORDER 125. SALICACE^E. 



1 S. liicida Muhl. Shining W. Tree small, handsome, 5 15f ; branches green ; Ive 



smooth and shining, lance-ovate, acuminate with a long point ; stip. serrate ; stain, 

 mostly 5. Along streams, especially northward and northwest. Often cultivated. 



2 S. PENTANDRA. Bay W. Tree 20 401, very elegant, in shrubberies; Ivs. lance ovate, 



cuspidate-pointed, shining ; twigs reddened : aments yellow ; sta. 5 + . Europe. 



3 S. nigra Marshall. Black W. Shrub 10 20f; leaves linear-lanceolate, attenuate to 



both ends ; etip. small, caducous ; branches pale yellow; stamens 35. Common. 



4 S purpitrea L. Shrub 6 lOf, with long, slender, olive-colored twigs ; leaves very 



smooth, oblanceolate ; 1 filament with 2 anthers. Low grounds, t 



5 S. fra gills L. Crack W. Bedford W. Trees tall (GO 80f), of quick growth, with 



greenish divergent twigs brittle at base (like many other species) ; leaves lanceolate ; 

 stipules cad.iccus; stamens 2, rarely 3. Often planted in parks. Europe. 



/3. dectpiens. A smaller tree, with red polished twigs and upper leaves obovate. 



y. Utisselliana, has long-pointed, serrate, bright Ivs. with conspicuous stipules. 



6 S. alba L. White W. Yellow W. Large trees, with straight branches and yellowisl 



tough twigs ; Ivs. lanceolate with a straight point, and silky-whitish, especially be 

 neath ; stigmas subsessile, 2-lobed. Common, of rapid growth. 



j3. ritfllina) has shining, yellow branches, with narrower leaves. 



7. caeriilea, leaves bluish, nearly or quite smooth beneath. By rivers. 



7 S. BABYLCNICA L. Weeping W. Tree of large size, with long, slender, pendeni 



branches : Ivs. linear-lanceolate, acuminate ; stipules roundish ; ? aments 1 2' long, 

 the $ unkrx,\-rn in IT. s. /3. ANNULARIS, leaves curled into a ring. Not drooping. 



8 S. longifolia Muhl. Shrub difi'usc, 2 lOf, with wnitish twigs; Ivs. long, linear, 



pointed both ways, remotely toothed, hairy. River banks, N. Eng., and W. 



9 S. myrtllloidcs L. Shrub low, erect, glabrous; Ivs. elliptic-oblong, entire, acute 



or obtuse. Mountain bogs, N. and N-W. (S. pedicellaris Ph.) 



10 S. vimiiiiilis L. Basket Osier. Stems long, straight, slender, 10 12f; Ivs. lance- 

 linear, long, pointed, silky-canescent. beneath ; aments precocious. Wet. 



11 S. lierfoacea L. Arctic W. Low, creeping, 12' high ; Ivs. round-oval, cordate, 

 serrate, glabrous ; aments few-flowered, terminal. Summits of White Mountains. 



12 S. cordata Muhl. Shrub 6 8f, with smooth, green branches ; Ivs. lance-oblong, 

 cordate, acuminate, smooth ; stipules large, serrate. Wet grounds. 



/3. mtfricoides. Loaves not cordate, with 2 glands at base, glaucous beneath. 

 /. nut/if >ti t;fn. Leaves lanceolate, acute at base ; stipules much smaller. 



13 S Cutleri Tuckm. Low, prostrate ; Ivs. elliptic to obovate. shining above; sta 

 men single ; aments pedunculate, dense. White Mountains. (S. uva-ursi C-B.) 



14 S. vajiaiis, ft. rostrtifa (Andersson). Shrub 3 12f, with straight, erect, yellowish 

 branches ; leaves lance-ovate to lance-obovate, acute, subentire, glaucous-downy be- 

 neath ; slip, toothed; fertile aments becoming long and loose; ovaries long-pointed 

 (rostrate). Dry grounds, Penn., N. and W. (S. livida Wahl.) 



1 5 S. argyrocarpa And. Shrub low, creeping ; leaves lance-oblong or -linear, i lau- 

 cous beneath with appressed silvery hairs ; pod short-conical, silvery-silky, style 

 slender. White Mountains. Young plants all silvery. (S. repens C'-B.) 



16 S. cliloropliylla And. Shrub low, spreading ; Ivs. glabrous, glaucous beneath : 

 lanceolate to oblanceolate, subentire ; fruit very short-stalked ; style very long, stigma 

 entire ; stipules 0. White Mountains, and N. (S. phylicifolia C-B.) 



17 S. trlslis Ait. Sage W. Small downy shrub with a profusion of small naked 

 aments ; leaves lance-linear to oblanceolate ; stipules minute, caducous. Dry fields. 



18 S. lu ill ills Marsh. Shrub 4 8f, with brown twigs ; Ivs. oblanceolate ; sti p. lunate, 

 subdentate, shorter than the distinct petioles. Dry. (S. Muhlenberghiana Barr.) 



19 S. Candida Willd. Shrub 4 6f, handsome, all whitish ; leaves lincar-lanceolato, 

 very long ; stipules lanceolate, as long as the petioles. In damp woods. Common. 



20 S. discolor Muhl. Shrub 7~15f; branches greenish-brown ; leaves lance-oblong 

 remotely toothed, glaucous beneath ; stipules lunate, toothed or entire ; ov. conical, 

 di-nsely silky ; stigmas long, linear. Swamps. (S. erioccphalus MX.) 



