320 DICOTYLEDONOUS PLANTS. 



HAB. On the banks of rivers. Penn. to Vir. March. April. f?. 

 A sJirub 68 feet high. 



12. &'. discolor WUld. : leaves oblong, somewhat obtuse, smooth, re- 

 motely serrate, very entire at the point, glaucous beneath ; stipules 

 deciduous, lanceolate, serrate ; aments appearing with the leaves, di- 

 androus, oblong, tomentose ; scales oblong, acute, hairy, black ; germs 

 imbsessile, lanceolate, tomentose ; style of middling length ; stigmas 

 2-parted. 



HAB. Low grounds. N. Eng. to Car. April. 1?. A shrub 01 

 small tree, dark brown. Filnments white ; anthers red, yel- 

 low when burst. Perhaps identical with the preceding". 



Bog Willow. 



13. S. anguftata Pursh : leaves lanceolate, acute, very long, gradu- 

 ally attenuated at the base, serrulate, very smooth, nearly of the same 

 colour ; stipules semicordate j aments appearing before the leaves, 

 erect, somewhat glabrous ; germs pedicellate, ovate, smooth; style bi- 

 fid ; stigmas 2-lobed. 



HAB. Banks of streams. N- Y. and Penn. W. to Miss. March, 

 April. ^>. A shrub with very long leaves. -^-Resembles S.pri- 

 noides. According to Mr. Nuttall it is identical with the next. 



14. S. longtfolia Muhl. : leaves linear, acuminate at each end, elon- 

 gated, remotely toothed, smooth, nearly of the same colour on both 

 sides ; stipules lanceolate, toothed ; aments peduncled, tomentose, di- 

 androus ; scales flat, retuse ; filaments bearded at base, twice the length 

 of the scales. 



HAB. On the banks of the Susquehannah. Penn. W. to Mies. 

 Maid. July. *?. A shrub aboat 2 feet high, with brown 

 branches and white branchlets. 



* * Leaves closely and acutely serrate- 



15. S. babylonica Linn. : branches pendulous ; leaves lanceolate, 

 acuminate, serrate, smooth, somewhat glaucous beneath; stipules 

 roundish-acuminate, serrate ; aments appearing with the leaves ; 

 germs sessile, ovate, smooth. 



HAB. Road sides, near cultivated ground. May. T?. A tree 

 which is introduced from Europe, but has been so much planted 

 for ornament as to have become almost naturalized. 



Weeping Willoic. 



16. & pursfdana Sjireng. : leaves very long, linear-lanceolate, 

 gradually attenuate above ; subfalcate at base, acute, approximate- 

 serrate, smooth on both sides, silky when young ; stipules lunate, 

 toothed, reflexed. S.falcata Pursh. & cordata \&r.falcata Torr. ? 



HAB. Banks of streams. Penn. to Vir. Pursh. Penn. Darling- 

 ton. *? A small tree, 815 feet high, with smooth and slen- 

 der branches. Humboldt having given the name offalcata to a 

 South American species of Sattz, Sprengel proposes to change 

 the name of Pursh' s plant. Sprcng. Syst. v. 608. 



17. & nigra Marsh. : leaves lanceolate, acute at each end, serrulate, 



