SALICACEAE ( WILLOW FAMILY) 



327 





2. Leaves scarcely rugose, lustrous-white beneath; capsule white-pubescent, its 

 pedicel scarcely exceeding the subtending scale. 



25. S. argyrocarpa Anders. Leaves'2.5-5 cm. long, repand-crenate, tapering 

 to both ends, acute, or the earliest obovate and obtuse, at length rigid, the 

 margin slightly revolute ; petiole short; stipules minute, fugaceous; 

 fruiting ament short (1.5-2.5 cm. long}, lax ; capsule tapering, 

 densely silky-silvery, style elongate ; gland of the staminate flower 

 variously doubled. Moist ravines and alpine slopes, Lab. to the 

 highest mts. of Que., Me., and N. H. A bushy-branched shrub, 

 erect or depressed at base, rarely 0.5 m. high. FIG. 664. 

 Hybridizes with 8. phylicifolia. 



20. S. coactilis Fernald. Leaves oblong or lance-ovate, long- 

 acuminate, at first reddish-white beneath with lustrous felt-like pubes- 

 cence, later velvety with distinct hairs, in maturity 6-18 cm. long, 

 2-5 cm. broad, remotely and coarsely glandular-dentate; stipules 

 semi-ovate, gland-toothed, 4-5 mm. long, persistent; aments in an- 

 thesis 2-3.5 cm. long, in fruit 4-5.5 cm. long, 7 mm. thick; scales 

 oblong or obovate, dark brown or black, very long-hairy ; capsule conic-subulate, 

 5 mm. long, white-villous ; the pedicel about five times as long as the gland. 

 Banks of the Penobscot R. , Me. A large shrub with coarse dark branchlets, 

 the younger ones puberulent. 



w- -M- Fruiting pedicel at most twice the length of the gland. 

 = Leaves distinctly pubescent beneath. 



a. Pubescence of the leaves and branchlets a dull white floccu- 

 lent tomentum. 



27. S. Candida Fliigge. (SAGE W., HOARY W.) Leaves oblong 

 to linear-lanceolate, 4-12 cm. long, rather rigid, downy above, 

 becoming glabrate, beneath covered with a dense white tomentum, 

 the revolute margin subentire ; stipules lanceolate, about as long 

 as the petioles; aments cylindrical, densely flowered, 3-5 cm. 

 long in fruit ; anthers red ; the dark gland elongated ; capsule 

 densely white-woolly ; style dark red ; stigmas short, spreading, 

 notched. Cold bogs, Nfd. and Lab. to Athabasca, s. to N. J., 

 Pa., O., la., etc. A hoary shrub, 0.5-2 m. high ; young shoots 

 white-woolly, the older red. FIG. 665. Var. DENUDATA Anders. 

 Leaves dark green and glabrate above, sparingly pubescent or glabrate beneath. 

 Gaspe" Co., Que. to Wise, and Ct. 



b. Pubescence of the leaves lustrous. 

 1. Leaves pubescent beneath with minute satiny hairs. 



28. S. VIMINALIS L. (OSIER.) Large shrub or small tree; 

 branchlets greenish or pale brown ; leaves lanceolate or linear-lan- 

 ceolate, taper-pointed, green and glabrous above, 6-15 cm. long; 

 aments sessile or subsessile on the old wood, the pis- 

 tillate becoming 5-7 cm. long ; capsule subsessile, 



minutely puberulent, 6-8 mm. long. Cultivated and 

 occasionally established. (Introd.fromEu.) FIG. 666. 



2. Leaves, at least when young, lustrous beneath 

 with velvety pubescence. 



29. S. pellita Anders. Large shrub or small tree 

 with dark reddish or olive branchlets ; leaves lance- 

 linear to oblanceolate, subentire, green and glabrous 

 above, white-velvety to pale green and glabrate be- 

 neath, 4-1 2 cm. long ; aments leafy-bracted at base, the fertile 2-5 cm. 

 long ; capsule 4-5 mm. long, densely white-hairy ; style yellowish, 

 turning brown. TCiver banks and swamps, Gulf of St. Lawrence to if 



Lake St. John, Que., and Lake Winnipeg, s. to Me. and Vt. FIG. 667. 667. s. pellita. 



665. S. Candida. 





