This section is from the book "British Wild Flowers - In Their Natural Haunts Vol5-6", by A. R. Horwood. Also available from Amazon: A British Wild Flowers In Their Natural Haunts.
The habitat of this plant is alpine rocks and rivulets, Scottish mountains. The habit is the shrub habit. The plant is dwarf, rigid, somewhat erect, or creeping, much-branched, the younger parts downy. The leaves are small, dark-green, glossy, rigid, ovate, elliptic, lance-shaped, netted both sides, the veins prominent, coarsely toothed, glandular hairy, acute. The leaf-stalk is very short. The stipules are ovate, lance-shaped, toothed. The catkins are terminal, appearing with or after the leaves, on stout, leafy stalks. The male catkins are oblong, ovoid. The scales are spoon-shaped, softly downy. The disk is large. The anthers are ultimately black. The stigmas are thick. The style is very long. The ovary is hardly stalked, ovate, awl-like, downy. The capsule is hairy or downy, stalked. The plant is 1-2 ft. high, and flowers in June and July, being a perennial shrub.
Salix sadleri, Sm. = S. herbacea X S. lanata. - The habitat of this plant is rocky ledges. The habit is the shrub habit. The plant is dwarf. The branches are prostrate, leafy, few, twisted, with shining, reddish-brown bark, and woolly shoots. The leaves are small, roundly ovate, more or less heart-shaped, more or less acute, entire, smooth, cottony above, netted, smooth below, dark-green, the young leaves cottony below. There are no stipules. The catkins are terminal, cylindrical, many-flowered. The leaf-stalks are woolly, without leaves. The scales are oblong, blunt, at length woolly, dark-brown, not so long as the capsules. The style is short. The stigmas are linear, lobed. The ovary is downy, with long woolly stalks. The capsules are hairless, conical to ovoid. The plant flowers in August, and is a perennial shrub.
The habitat of this plant is rocks, mountains. The plant has the shrub habit. The plant is small, rigid, prostrate, rooting. The twigs are yellow downy, then brown. The leaves are ovate, lance-shaped, smooth, shining above, with small teeth, bluish-green, opaque below, i-veined, long-pointed, at first silky below. The catkins are cylindrical, lateral, on stalks bearing bracts, those of the female longer. The scales are inversely ovate to rounded, reddish, blunt, downy. The capsules are conical, reddish, the scales covering the base. The ovary is oblong to ovate, silky. The stigmas are lobed, and thick. The style is long, deeply-cleft. The plant is 1-2 ft. high, flowering in June and July, and is a perennial shrub.
The habitat of this plant is alpine mountains. The plant has the shrub habit, but is very dwarf, herbaceous in appearance. The branches are subterranean, spreading under the ground and stones, giving rise to twigs, with few leaves and flowers. The bud scales, which are brown, are persistent. The leaves are round, smooth above, oblong, blunt or notched, shining, netted, not wrinkled, coarsely-toothed, shortly-stalked, curled, green below. The stipules are ovate, small, or absent. The catkins are oblong, few-flowered, crimson, on 2-leaved stalks, and appear with the leaves. The scales are blunt, smooth or downy, inversely ovate, concave. The ovary is more or less stalk-less, ovate to conical, smooth. The stigmas are lobed. The style is short. The anthers are yellowish-brown or purple. The capsule is downy. The plant is 2-6 in. high, flowering in June and July, and is a perennial shrub.
The habitat of this plant is Scottish mountains. The plant has the shrub habit. The stem is subterranean, dwarf, short, woody, much branched, the branches twisted, sparingly leafy. The leaves are rounded, oblique, strongly veined each side (hence reticulata), wedge-shaped, blunt, or notched, green above, bluish-green below, the margin entire or wavy, the young leaves hairy, the older hairless, and rough above, hoary below. There are no stipules. The catkins are oblong, many-flowered, more or less terminal, on long, leafy stalks, flowering after the leaves. The scales are inversely egg-shaped, purple or yellow. The anthers are purple. The disk is an irregularly lobed cup. The style is short, the stigmas are 2-lobed. The capsule is stalkless, hoary, blunt. The plant is 6-24 in. long, flowering in June and July, and is a perennial shrub.