54 
DIANDRIA. MONOGYNIA. Salix. 
21. S. tenuifolia. Leaves elliptical, acute, serrated, rather smooth, glau¬ 
cous beneath; stipulse small, or none ; capsules very smooth. 
22. S. myrsini'tes. Leaves egg-shaped, serrated, smooth, veiny; capsules 
awl-shaped, downy ; young branches hairy. 
23. S. prunifolia. Leaves egg-shaped, serrated, naked, smooth above, 
glaucous beneath; branches rather downy; capsule egg-shaped, 
silky. 
24. S. vaccinifolia. Leaves egg-shaped, serrated, smooth and even above, 
glaucous and silky beneath; capsules egg-shaped, silky; stems de¬ 
cumbent. 
25. S. venulo'sa. Leaves egg-shaped, serrated, naked, reticulated with 
prominent veins above, rather glaucous beneath; capsules elliptical, 
silky. 
26. S. carindta. Leaves egg-shaped, finely toothed, smooth, minutely 
veined, folded so as to form a keel; capsules egg-shaped, downy. 
2T. S. Diclcsoniana. Leaves elliptical, acute, slightly toothed, smooth, 
glaucous beneath; young branches very smooth; catkins egg- 
shaped, short, erect; germen silky. 
28. S. herbacea. Leaves circular, serrated, very smooth, reticularly- 
veined, shining on both sides; germen stalked, ovate-lanceolate, 
smooth. 
(2) Leaves perfectly entire, smooth or nearly so, 
29. S, reticulata. Leaves elliptic-orbicular, obtuse, entire, smooth, re- 
ticularly veined, glaucous beneath; germen sessile, downy. 
(3) Leaves hairy or woolly . 
30. S. arendria. Leaves nearly entire, egg-shaped, acute, reticulated 
and somewhat downy above, very woolly and veiny beneath; style 
as long as the densely woolly germen; stigma linear, deeply di¬ 
vided, the length of the style. 
31. S. glauca. Leaves nearly entire, elliptic-lanceolate, even and nearly 
smooth above, woolly and snow-white beneath; foot-stalks de¬ 
current; germen ovate, sessile, woolly. 
32. S. argentea. Leaves entire, elliptical, somewhat revolute, with a 
recurved point, rather downy above, silky and shining beneath, as 
are the branches. 
33. S. prostrata. Leaves elliptic oblong, convex, rarely toothed, with a 
recurved point, glaucous, veiny and silky beneath; stem prostrate ; 
stipulse minute; style shorter than the stigma. 
34. S. fusca. Leaves elliptic oblong, acute, straight, flat, with a few 
glandular teeth, glaucous and silky beneath; foot-stalks slender; 
stem erect, much branched; stipule none. 
35. S. faetida. Leaves elliptical, nearly entire, with a recurved point, 
glaucous and silky beneath; stem recumbent; germen ovate-lan¬ 
ceolate, on a silky stalk nearly equal to the obovate scale. 
36. S. repens. Leaves egg-spear-shaped, somewhat pointed, smooth 
above, silky underneath, very entire; stem depressed. 
