AMENTACE^E. 321 



smooth on both sides ; petiole and midrib tomentose above ; stipules 

 toothed ; aments appearing with the leaves, erect, cylindric, villous ; 

 scales oblong-, very villous ; filaments 3 6, bearded at base ; germs 

 pedicelled, ovate, smooth; style very short; stigmas bifid. S. caroli- 

 niana Mich. S.pentandra Walt. 



HAB. Banks of streams. Penn. to Car. April, May. ^>. A 

 tree from 15 20 feet high, generally branching from the base ; 

 branches very brittle at base. Sterile aments 3 inches long. Fil- 

 aments generally 5. ' 



18. S. lucida Muhl. : leaves ovate-oblong, cuspidate-acuminate, 

 rounded at base, serrate, smooth and shining on both* sides ; stipules 

 oblong, serrate ; aments appearing with the leaves, triandrous ; scales 

 lanceolate, obtuse at base, pilose, serrate at the point, smooth ; germs 

 lanceolate-subulate, smooth ; style bifid j stigmas obtuse. 



HAB. Low grounds. N. Y. to- Vir. May. T?^ A shrub or 

 small tree with yellowish-brown branches. Leaves thick. 



19. 8. rigida Muhl. : leaves oblong-lanceolate, acuminate, subcordale 

 at base, rigid, smooth, coarsely serrate, the lowest serratures elongated; 

 petioles villous ; stipules large, cordate, obtuse, serrate ; aments ap- 

 pearing with the leaves, triandrous ; scales lanceolate, woolly, black ; 

 germs on long pedicels, lanceolate, smooth; style very short ; stigmas 

 2-parted. S. cordata Mich. 



HAB. Swamps. N. Eng. to Vir. April, May. ^>. A small 

 tree ; branches green, red towards the end, the younger ones 

 pubescent. It is tough and much used by basket makers. 



20. & cordata Muhl. : leaves oblong-lanceolate, acuminate, cordate 

 at base, acutely serrate, smooth, paler beneath ; stipules large, ovate- 

 roundish, serrate ; aments appearing with the leaves, triandrous ; 

 scales lanceolate woolly, black; germs on pedicels, lanceolate, smooth; 

 style very short ; stigmas bifid. 



HAB. Low swampy ground. N. Y. to. Vir. N. to Arc. Amer. 

 April, May. *?. A shrub 6 8 feet high, \rith large and broad 

 leaves. 



21 . grisea WiUd. : leaves lanceolate, acuminate, serrulate, smooth 

 above, silky or naked beneath ; stipules linear, deflexed, deciduous ; 

 _ aments appearing before the leaves ; scales oblong, hairy, black at the 

 point ; germs oblong, pedicelled, silky ; stigmas sessile, obtuse. fif. se- 

 ricea Mufti. 



HAB. Low grounds. Penn. to Vir, April. ^>. A sjirub 3 8 

 feet high; branches greenish- purple, very brittle at the base. 







22. S petiolaris Smith : leaves lanceolate, serrate, smooth, glaucous 

 beneath, silky at base, mostly unequal ; stipules lunate, toothed ; 

 aments appearing before the leaves, loose ; scales obovate, obtuse, 

 hairy, black ; germs on long pedicels, ovate, silky, stigmas sessile, 2- 

 lobed. 



HAB. Swamps and banks of streams ; common. Pursh. April, 

 1?. A small tree with slender smooth dark brown branches- 



