DIANDRIA. MONOGYNIA. Salix. 
55 
37. S. rosmarinijolia. Erect; leaves strap-spear-shaped, pointed, straight, 
entire, silky beneath; catkins ovate, recurved; germen stalked, 
lanceolate, silky. 
38. S. cinerea. Stem erect; lower leaves entire, inversely-egg-spear- 
shaped, underneath reticulated with veins, glaucous, downy: sti- 
pulae half-heart-shaped, serrated; germen silky, its stalk half as 
long as the lanceolate scales. 
39. S. aurita . Branches trailing; leaves somewhat serrated, convex, obo- 
vate, obtuse, with a small hooked point, hairy and reticulated with 
veins on both sides; stipulae roundish, convex, toothed; germen 
silky, stalked; stigmas nearly sessile. 
40. S. aquat'ica. Leaves slightly serrated, oblong-egg-shaped, flat, some* 
what woolly underneath: stipulae rounded, toothed. 
41. S. oleifo'lia. Leaves inversely egg-spear-shaped, flat, minutely in¬ 
dented, acute, underneath glaucous and hairy; stipulae small, 
notched. 
42. S. continifolia. Leaves elliptical, almost circular, slightly toothed, 
downy, and marked with rectangular veins beneath; stigmas 
cloven. 
43. S. lanata. Leaves roundish-ovate, pointed, shaggy on both sides, 
glaucous beneath; germen sessile, oblong, smooth ; style four times 
as long as the blunt, divided stigmas. 
44. S. capre'a. Leaves egg-shaped, wrinkled, cottony underneath, waved, 
toothed towards the end; capsules swelling. 
45. S. acumina'ta. Leaves lanceolate oblong, pointed, waved, slightly 
toothed, tomentous beneath ; stipulae kidney-shaped; capsule ovate, 
tapering. 
46. S. stipularis. Leaves spear-shaped, pointed, bluntly scolloped, under¬ 
neath downy; stipulae half-heart-shaped, very large; nectary cylin¬ 
drical. 
47. S. viminalis. Leaves spear-strap-shaped, very long, acute, white, and 
silky underneath; branches rod-like: style elongated; germen 
sessile. 
48. S. al'ba. Leaves spear-shaped, tapering to a point, serrated, downy on 
both sides, the lowermost serratures glandular; stigmas deeply 
cloven. 
49. S. hirta. Leaves elliptic-heart-shaped, pointed, finely notched, downy 
on both sides; stipulae half-heart-shaped, flat, toothed, nearly 
smooth; branches hairy. 
50. S. Types'tris. Leaves inversely egg-shaped, serrated, flat, even, silky 
on both sides: stipulae hairy: branches minutely downy: germen 
stalked, awl-shaped, silky; stigmas undivided. 
51. S. sphacela'ta. Stem erect; leaves entire, elliptical, flat, downy on 
both sides, somewhat withered at the point; stipulae half-heart¬ 
shaped, toothed, erect; capsule tapering. 
52. S. Smithiana » Leaves lanceolate pointed, slightly wavy, minutely 
toothed; soft and scarce visibly downy above, whitish and silky 
beneath; stipulae crescent-shaped, minute; catkins ovate; germen 
stalked; style shorter than the linear, deeply divided stigmas. E.) 
