. Gray's new manual of botany. A handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada. Botany. SALICACEAE QWILLOW FAMILY^ 323 649. 8. longifolte. - Capsules glabrous. ** Erect or ascending shrubs or small trees. = Leaves lanceolate to ovate, acute or acuminate, serrate ; sterile aments very silky, with a few bracts at base, becoming 2-4 cm. long, the fertile in fruit cm. long. a. Leaves glabrous or quickly glabrate; capsules distinctly pediceled. 1. Stipules persistent, usually conspicuous. O Leaves dull above, the young pubescent
. Gray's new manual of botany. A handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada. Botany. SALICACEAE QWILLOW FAMILY^ 323 649. 8. longifolte. - Capsules glabrous. ** Erect or ascending shrubs or small trees. = Leaves lanceolate to ovate, acute or acuminate, serrate ; sterile aments very silky, with a few bracts at base, becoming 2-4 cm. long, the fertile in fruit cm. long. a. Leaves glabrous or quickly glabrate; capsules distinctly pediceled. 1. Stipules persistent, usually conspicuous. O Leaves dull above, the young pubescent with early-deciduous soft hairs, + Fruiting aments cm. long; mature capsule 4-7 mm. long. 11. S. cordita Muhl. Twigs glabrous or soon glabrate ; leaves oblong-lanceolate or narrower, on the flowering branches often tapering at base, sharply serrulate, green both sides or slightly paler beneath, on vigorous shoots mostly rounded, truncate, or cordate at base, not turning black in drying; stipules reniform or ovate, serrate, usually large ; aments rather slender; capsules green- ish or rufescent. — In wet places, along streams, etc. ; a "widely distributed shrub, freely hybridizing. Fig. 650. Var. MTRicoiDEs (Muhl.) Carey. Twigs cinereous or canescent with permanent pubescence; leaves elongate, even those of the most vigorous shoots tapering and rather acute at base, glaucous or glaucescent beneath and sparsely ap- pressed-hairy; stipules small, ovate, pointed; capsules often silky when young, becoming glabrate, short-pedi- celed ; twigs brittle at base. — Mass. to Wise, and Kan. —Perhaps a hybrid with S. sericea. + + Fruiting aments 6-10 cm. long; mature capsules 8-10 mm. long. 12. S. missourifinsis Bebb. Tree or large shrub (3-16 m. high), with black bark and permanently pubescent twigs; leaves lanceolate to ovate-oblong, rarely obovate, glaucous beneath. — Mo. to Neb. and I. T. —A poorly understood tree, said to flower earlier than S. eordata; perhaps a va
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