310 ORDER 125. SALICACE^E. 



1 8. luclda Muhl. Shining W. Tree small, handsome, 5 15f; branches green ; ITS. 



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

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



2 S. PKNTANDKA. Bay W. Tree 20 40f, very elegant, in shrubberies ; Ivs. lance-ovate, 



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



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



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



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



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



5 8. fragills L. Crack W. Bedford W. Trees tall (60 80f ), of quick growth, with 



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

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



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



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



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



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

 neath : stigmas subsess-ile, 2-lobed. Common, of rapid growth. 



/3. ritflUna^ has shining, yellow branches, with narrower leaves. 



y. caervlea^ leaves bluish, nearly or quite smooth beneath. By rivers. 



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



branches : Ivs. linear-lanceolate, acuminate ; stipules roundish ; 9 aments 1 2' long, 

 the s unkm.vn in U. S. 13. ANNULARIS, leaves curled into a ring. Not drooping. 



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



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



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



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



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

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



1 1 S. lierbacea 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. mtfricoide*. Leaves not cordate, with 2 glands at base, glaucous beneath. 

 /. anf/uxtata. Leaves lanceolate, acute at base ; stipules much smaller. 

 1 3 S Cutler! Tuckm. Low. prostrate; Ivs. elliptic to obovate, shining above; eta 

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



14 S. vagans, /3. rostrtUa (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, glau- 

 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. chloropliylla 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.) 



ITS. trislis Ait. Sage W. Small downy shrub with a profusion of small naked 

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



1 8 S. liiimilis Marsh. Shrub 4 8f, with brown twigs ; Ivs. oblanceolate ; stip. lunate, 

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



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

 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, 

 densely silky ; stigmas long, linear. Swamps. (S. eriocephalus MX.) 



