Salix. ] LXXIII. AMENTACEA, 409 
Male catkins sessile. Females sessile or on very short peduncles, 
with or without leafy bracts. 
Stamen 1 within each scale, entire or forked. Leaves narrow, 
glabrous or whitish underneath. Anthers usually purple 5. S. purpurea. 
Stamens 2, distinct. Anthers usually yellow. 
Leaves very silky and white, at least underneath. 
Stems erect, twiggy. Leaves long, lanceolate or linear . 6. S. viminalis. 
Stems creeping underground. Leaves small, ovate, oblong 
or lanceolate . : : ; ; . 10. S. repens. 
Leaves glabrous, downy or cotton, Yy. 
Leaves wrinkled, usually with a short, crisp or cottony 
down, especially underneath. Capsules pedicellate. 
Male catkins very silky, oblong. Capsules 3 to 4 lines 
long. Leaves ovate or oblong . 7. S. Caprea. 
Male catkins cylindrical, rather. silky. Capsules 2 to 3 
lines long. Leaves mostly obovate . 8. S. aurita. 
Leaves not wrinkled, glabrous and downy when young. 
Catkins rather slender. Capsules pedicellate . 9. S. phylicifolia. 
Leaves not wrinkled, downy or woolly, quite entire, Cat- 
kins dense and very silky-hairy. Capsules sessile. 
Catkins silky-white. Capsules about 2 lineslong . . ll. S. Lapponum. 
Catkins golden-yellow. Capsules about 3 lines long . 12. S. lanata. 
Male and female catkins on short, leafy shoots. 
Trees or tall shrubs. 
Stamens about 5. Leaves dark-green and shining. . 1. S. pentandra. 
Stamens 3. Leaves green above, white underneath . . 4. S. amygdalina. 
Stamens 2. 
Leaves ashy-grey or silky-white. Capsules nearly sessile 3. S. alba. 
Leaves green or glabrous. Capsules pedicellate . . 2 S. fragilis. 
Low, spreading or prostrate, or creeping shrubs. _- 
Catkins at the end of short, leafy shoots, without buds. 
Stems procumbent, ascending, or forming low bushes. - 
Leaves slightly toothed. Male catkins nearly sessile. 
Capsules pedicellate . 9. S. phylicifolia. 
Leaves finely toothed. All the ‘catkins on leaty stalks. 
Capsules almost sessile . 13. S. Myrsinites. 
Catkins on short peduncles, at the last leaf of a branch, 
with a bud in the angle. Stems prostrate or creeping. 
Leaves entire, wrinkled, white underneath . : 14. S. reticulata. 
Leaves finely ‘toothed, not wrinkled, green on both sides 15. S. herbacea. 
The well-known weeping Willow (S. Babylonica) is of Asiatic origin. 
The S. daphnoides, from continental Europe, with the male catkins like 
those of S. Caprea, but with lanceolate, pointed, green or glaucous 
leaves, is occasionally planted, and has been seen apparently wild near 
Cleveland in Yorkshire ; and some other Continental or North American 
species have been described as British from planted specimens. Many 
of the British species are also natives of North America. 
1. S. pentandra, Linn. (fig. 918). Bay W.—A shrub or small tree, 
from 6 to 20 feet high, glabrous or ‘rarely slightly silky on the young 
shoots, the twigs green or yellow. Leaves broadly lanceolate or oblong, 
pointed, finely toothed, thicker and more smooth and shining than in 
any other species. Catkins cylindrical and loose, on short, lateral, leafy 
shoots ; the males 14 to 2 inches long, less hairy than in most species. 
Stamens usually 5 but sometimes more, and there are almost always 2 
or even more entire or divided gland- like scales at their base. Ovaries 
glabrous, nearly sessile or stalked. Capsules 2 to 3 lines long, of a 
yellowish-green. 
In damp, open woods, and along streams, chiefly in hilly districts, 
extending all over Europe and temperate Asia to the Arctic regions. 
