J70 D10ECIA.— DIANDRIA. 



very smooth, colour nearly uniform ; stipules 

 semicordate ; germens pedicellate, ovate, smooth 

 style bifid ; stigmas 2-lobed. 

 II AB. Banks of rivers. Leaves very long. Re 

 sembles No. 1 1. 



* * * Leaves closely and acutely serrate. 



14. S. nigra : leaves lanceolate, acute at each end, ser 

 rulate, green on both sides, smooth except the 

 petiole <ind the midrib above ; stipules dentate ; 

 aments cylindric ; scales oblong, very villous ; 

 filaments 3 — 6, bearded at the base ; germens pe- 

 dicellate, ovate, smooth ; style very short ; stig 

 mas bifid. 

 1IAB. Banks of rivers. May. A small tree: 

 branch, smooth ; first leaves pubes. ; aments long. 

 15. S. lucida: leaves ovate-lanceolate, long-acuminate, 

 rounded at the base, serrate, smooth on both sides, 

 shining; stipules oblong, serrate; aments trian- 

 drous ; scales lanceolate, obtuse, hairy at the base, 

 serrate and smooth at the tip ; germens lanceolate- 

 subulate, smooth ; style bifid ; stigmas obtuse. 

 1IAB. Swamps. May. A small tree ; leav. thick ; 

 branch, yell.-br. ; aments late, 

 \(j. S. rigida : leaves oblong-lanceolate, acuminate, 

 subcordate at the base, rigid, smooth, acutely ser- 

 rate, the lowest serratures long ; petiole villous ; 

 stipules large, cordate, obtuse ; stamens 3; scales 

 lanceolate, (black,) woolly ; germens on long pe- 

 dicels, smooth ; style very short ; stigmas 2- 

 parted. 

 JIAB. Low thickets. May. A small tree ; branch , 

 green, tough ; aments late. 

 17. S. cordata : leaves oblong-lanceolate, acuminate 

 cordate at the base, acutely serrate, smooth ; sti- 

 pules large, ovate-roundish, serrate ; stamens 3 ; 

 scales lanceolate, (black ;) germens pedicellate, 

 lanceolate, smooth ; style very short ; stigmas 

 bifid. 

 11AB. Swamps. April— May. A shrub 6— 8 ft. 



high ; leav. large, 1 in. broad, 

 p.falcata : leaves narrow-lanceolate, very long, sub- 

 falcate. 



