DIANDRIA. MONOGYNIA. Salix. 
53 
4. S. Forbia'na. Erect; stamen one; leaves with small leaf-scales, spear- 
shaped, sharp-pointed, finely toothed, smooth, glaucous beneath; 
stigmas strap-shaped. 
5. S. rubra. Monadelphous; leaves strap-spear-shaped, acute, smooth, 
minutely toothed, green on both sides ; summits ovate, undivided. 
6. S. Crowea'na. Monadelphous; leaves elliptical, slightly serrated, 
quite smooth, glaucous beneath. 
7. S. triaridra. Leaves linear-oblong, serrated, smooth, rather une¬ 
qually sloping at the base; flowers with three stamens, (sometimes 
_ with only two. Huds.) ; germens stalked ; stigmas sessile, bifid. 
8. S. lanceola'ta. Stamens three; leaves spear-shaped, tapering towards 
each end, serrated, smooth ; foot-stalks decurrent; germen stalked; 
style as long as the stigmas. 
9. S. amygdalina. Leaves egg-spear-shaped, ovate, oblique, serrated, 
smooth, rounded and unequal at the base; stipulae large; germen 
ovate, compressed, smooth, its stalk nearly as long as the scale; 
young branches furrowed; flowers with three stamens. 
10. S. Russelliana. Leaves spear-shaped, sharp-pointed, tapering at 
each extremity, serrated, very smooth; germens on foot-stalks, 
awl-shaped, smooth. 
11. S. decipiens. Leaves spear-shaped, serrated, very smooth; foot¬ 
stalks somewhat glandular; germen tapering, stalked; floral- 
leaves dilated and bluntish; branches smooth and highly polished. 
12. S. pentandra. Leaves egg-spear-shaped, acute, glandulose-serrated 
smooth; flowers with five stamens; germens smooth, nearly ses¬ 
sile; stamens hairy at the base. 
13. S. nigricans. Leaves elliptic-spear-shaped, scolloped, smooth, with 
a downy rib above, glaucous beneath; germens on pedicles, spear- 
shaped, pointed, downy. 
14. S. bicolor. Leaves elliptical, acute, waved and slightly serrated, 
nearly smooth, glaucous beneath; germens stalked, spear-shaped, 
silky. 
15. S. petiola'ris. Leaves spear-shaped, serrated, smooth, glaucous be¬ 
neath ; germen stalked, egg-shaped, silky; stigma sessile, cloven. 
16. S. phylicifo'lia. Leaves elliptic-lanceolate, with many serratures, 
smootli, glaucous beneath; stipulae somewhat lunate, glandular 
on the inside; germen stalked, silky ; style elongated. 
17. S. arbus'cula. Leaves somewhat serrated, smooth, semi-transparent, 
glaucous underneath; stem rather woody; catkins egg-shaped, 
erect; germens very silky, stalked. 
18. S. livida. Leaves oblong, nearly entire, smooth, livid beneath; ger¬ 
mens pedicellate, somewhat silky; stigmas somewhat sessile, two- 
lobed. 
19. S. vitellina. Leaves egg-spear-shaped, acute, smooth above; serra¬ 
tures cartilaginous ; stipulae small and deciduous ; stigmas notched. 
20. S. fragilis. Leaves egg-spear-shaped; leaf-stalks toothed with 
glands; nectary of the male flower double. 
