322 DESCRIPTIONS OF THE SHRUBS 



E. Leaves 1-11 inches wide, bright but not glossy green above, 

 white below; buds very large and nearly black ; shrub or tree 

 to 25 feet. Glaucous Willow — Salix discolor. 



E. Leaves 1-1^ inches wide, smooth dark green above, whitened 

 and very net-veined below. A willow, 4-10 feet high, of 

 the North (Labrador, etc.). Balsam Willow (575) — Salix 

 balsam if era. 



E. Leaves 1-8 inches wide, rough above, thickish and with stout 

 stems -^--^ inch long. A plant often used as stock upon which 

 to graft other willows to make such weeping trees as the Kil- 

 marnock willows. Goat Willow (576) — Salix Caprea. 



E. Leaves less than an inch wide, dark green above and glaucous 

 below, leaf-stems nearly ^ inch long. A slender-growing plant 

 5-12 feet high found in the swamps of the North and West. 

 Slender Willow (577) — Salix petiohiris. 



D. Leaves, though lighter below, are green on both sides. (F.) 



F. J^eaves glossy green on both sides, fragrant when bruised, 

 usually over 1 inch wide, leaf-stalk with conspicuous glands. 

 These two are among the finest willows in cultivation and grow 

 from 8-20 feet high. (G.) 



G. Catkins large and conspicuous appearing AVith the leaves. 



Shining Willow (578) — Salix lucida. 

 G. Catkins rather small and appearing after many of the leaves 

 are fully grown. Bay-leaved or Laurel-leaved Willow 

 (579) — Salix pentandra. 

 F. Leaves rough above, soft with hairs below, 1-3 inches wide, 

 blunt at tip. A willow often used for stock for grafting, 12-25 

 feet high. Goat Willow (576) — Salix Caprea, 

 F. Leaves smooth, silky and dark green above at least when young, 

 |-| inch wide ; shrub or tree 6-12 feet high growing along 

 streams. Silky Willow (580) — Salix sericea. 

 . F. Leaves under ^ inch wide ; plants generally 5-15 feet high. (H. ) 

 H. Leaves 2-3 inches long, about i as wide, sometimes heart- 

 shaped at base ; stipules large and usually persistent. A 

 very variable small willow of the watercourses, spreading at 

 base into long flexible branches. Heart-leaved Willow 

 (.581) — Salix cordata. 

 H. Leaves 3-6 inches long and about i as wide, often appearing 

 opposite . Plant spreading at base with long flexible branches, 

 so sometimes used as a basket willow. There is a variety, 

 pendula, with drooping branches. Purple Willow (582) 

 — Salix purpurea. 

 H. Leaves 2-6 inches long and very narrow, usually less than 



