324 



SALICACEAE (WILLOW FAMILY) 



late, with a broadly rounded base, 4.5-12 cm. long, 2-4.5 cm. wide, short-acumi- 

 nate, glandular-serrate, subcoriaceous, glabrous throughout, dark green and 

 shining above, glaucous beneath, the young drying black; 

 stipules large, ear-shaped, dentate ; aments dense, thick- 

 cylindrical, very silky, the staminate 3.5-5 cm. long, the 

 pistillate becoming 4-7 cm. long ; capsules attenuate-rostrate, 

 9-11 mm. long, greenish, drying brown. Shrub or shrubby 

 tree (1-5 in. high), forming extensive thickets on sandy or 

 alluvial shores of rivers and lakes, 

 e. Que. to Alb., s. to N. B., Me., 

 and the Great Lakes. FIG. 652. 

 Var. ANGUSTIF6LIA Bebb. Leaves 

 narrower (8 cm. long, 2 cm. wide), 

 pointed at both ends. Same range. 

 Var. BREVIFOLIA Bebb. Leaves 

 obovate or oblong, 2.5-3.5 cm. long, 

 strongly veined. Mich. , _ 



2. Stipules obsolete or minute. 



14. S. balsamifera Barratt. 

 Leaves short-oval to oblong-lance- 

 6D2. s.glaucophylla. Q]& ^ broadly rou nded and usually 



subcordate at base, at first very thin, subpellucid and 

 of a reddish color, balsamic-fragrant, at length firm but 

 thin, dark green above, paler or glaucous and promt- 653 s balsamifera. 

 nently reticulate-veined beneath, slightly glandular-ser- 

 rulate ; petioles long and slender ; fertile aments becoming very lax, in fruit, the 

 long slender pedicels 6-8 times the length of the gland ; style short. Low 

 woods and thickets, Nfd. and Lab. to Mackenzie and B. C., s. to n. N. E., N. Y., 

 Mich., and Minn. A much-branched shrub, rarely a tree 7 m. high, with 

 shining reddish-castaneous or olive twigs. FIG. 653. 



b. Leaves clothed, even when fully grown, with a long silky tomentum on both 

 sides, which is finally deciduous capsule subsessile. 



15. S. syrtlcola Fernald. Leaves ovate or very broadly lanceolate, cuspi- 

 date-acuminate, dull green both sides, very closely serrate with fine projecting 

 gland-tipped teeth ; stipules conspicuous, ovate-cordate, glandular-serrate, ex- 

 ceeding the short stout petioles, which are dilated at base and embrace the 

 obtuse silky buds ; aments leafy-peduncled, the fer- 

 tile not rarely becoming 1 dm. long, 

 densely flowered. (S. adenophylla 

 Am. auth., not Hook.) Shores of 

 the Great Lakes. A large strag- 

 gling shrub, with stout tomentose 

 twigs and crowded leaves. FIG. 654. 



= = Leaves oblong-linear to elliptic- 

 obovate, entire,' sterile aments 

 sparingly pubescent or glabrate, 

 1-2 cm. long, the fertile in fruit 

 1-3 cm. long ; stigmas sessile or 

 nearly so. 



16. S.pedicellarisPursh. Leaves 



1.5-7 cm. long, obtuse or somewhat pointed, acutish at base, 

 smooth on both sides, somewhat coriaceous when mature, revolute, reticulated, 

 pale or glaucous beneath ; fertile aments thick-cylindric, loosely few-flowered, 

 borne on long leafy peduncles ; capsules reddish-green ; pedicels slender, twice 

 the length of the nearly smooth greenish-yellow scale. (S. myrtilloides Man. 

 ed. 6, not L.) Cold bogs and wet meadows, e. Que. to B. C., N. J., Pa., and 

 n. la. FIG. 665. 



654. S. syrticola. 



S. pedicellaris. 



