S. rostràta.
11. Sàlix rostràta, Richards. (Beaked Willow.) Leaves oblong to obovate-lanceolate, acute, usually obscurely toothed, sometimes crenate or serrate, downy above, prominently veined, soft-hairy and somewhat glaucous beneath. Twigs downy. Catkins appearing with the leaves. Fruit-capsules tapering to a long slender beak, pedicels long and slender. A small, tree-shaped shrub, 4 to 15 ft. high, common in both moist and dry ground. New England, west and north.
S. díscolor.
12. Sàlix díscolor, Mühl. (Glaucous or Bog Willow.) Leaves lanceolate or ovate-lanceolate, acute, remotely serrate at the base, finely serrate along the middle, and almost entire near the tip; smooth and bright green above, soon smooth and somewhat glaucous beneath; stipules, on the vigorous shoots, equaling the petiole, more frequently small and inconspicuous. Catkins sessile, 1 in. long, appearing before the leaves in the spring; scales dark red or brown, becoming black, covered with long glossy hairs. Fruit in catkins, 2½ in. long, the capsules very hairy, with short but distinct style. A very variable species, common in low meadows and on river-banks; usually a shrub, but occasionally 15 ft. high.
S. cinèrea.
13. Sàlix cinèrea, L. (Gray or Ash-colored Willow.) Leaves obovate-lanceolate, entire to serrate; glaucous-downy and reticulated with veins beneath; stipules half heart-shaped, serrate. Flowers yellow; ovary silky, on a stalk half as long as the bracts. A shrub to middle-sized tree, 10 to 30 ft. high, with an erect trunk; occasionally cultivated; from Europe.
