* 
Saix. CXXVII SALICACEA. 501 
Fr. coriaceous, 1-celled, 2-valved. 5 , 
Sds. numerous, ascending, furnished with a silky coma. Albwmen 0. 
Genera 2, species 220, chiefly natives of the northern temperate and frigid zones, one species, Salix 
arctica, extending farther north than any other known woody plant. 
Properties.—The bark is astringent and tonic, possessing the febrifugal properties of the sulphate of 
quinia. The wood is employed for various economical purposes. 
Genera. 
Po 
ies Capsule l-celled. Salix. 1 
Stamens ?8—20. Capsule 2-celled. Populus. 2 
1 SALIX.* 
Celtic sal, near, and lis, water ; alluding to their usual locality. : 
Aments cylindric, bracts imbricated, 1-flowered, each with a nec- 
tariferous gland at base. o Calyx 0; sta. 2—7. @ Calyx 0; ova. 
ovoid-lanceolate, acuminate; stig. 2, mostly bifid; caps. 1-celled, 
_2-valved, valves acuminate, finally revolute at summit; seeds numer- 
ous, minute, ¢ —Trees, shrubs and undershrubs. “Lvs. usually 
narrow and elongated, each with 2 conspicuous stipules. Aments termi- 
nal and lateral. | 
§ 1. Crvenez. Borrer. Upland, grayish shrubs. Leaves obovate-lanceolate, mostly 
entire, rugose, canescent-pilose, margins often revolute. Aments oval or oval-cylin- 
dric, expanding before the leaves, with centrifugal inflorescence. Stamens2. Scales 
red, finally black. Q aments recurved when young. Ovary pedicellate; stigma 
red or pale yellow, finally green.—Barratt. 
1. S. rristis. Ait. (S. longirostris. Michz.) Sage Willow. 
Lws. linear-lanceolate or oblanceolate, cuneate at base, entire or remotely 
undulate-toothed, margin subrevolute, apex acute or obtusish; stip. minute, 
narrow-lanceolate, caducous; aments very small; scales orbicular-oblong, 
hairy at the margin; ova. with grayish, silky pubescence ; sty. short—Sandy 
or dry fields, borders of woods, pastures, N. Eng.! to Ind.! and Ill. A small, 
downy shrub, with a profusion of aments in spring, appearing before the 
leaves. Leaves at length numerous, often crowded and rosulate at the ends of 
the branches, 1—2' long, tapering from above the middle to a very short petiole, 
the margin often revolute, under surface glaucous, often pubescent, upper gene- 
rally smoothish. In starved specimens the whole plant is grayish-white, with 
very small leaves. =. 
B. (S. Muhlenbergiana. Ph, and 1st edit.) Shrub larger in all its parts. 
Bark green on the stem, yellowish and downy on the new brane 
2—3' long, often abrupt at base. z 
y- Monadelphia. Barratt. Sta. united half their length.—Co 
2. S. MuHLenserGIANA, Barratt. (S. conifera. MuAl. an edit.) Muh- 
lenberg’s Willow.—Lws. oblanceolate, remotely serrate, glabrous above, 
pubescent and not rugose beneath; young branches smooth; stip. lunate, sub- 
dentate; aments precocious, diandrous ; scales lanceolate, obtuse, villous; ova. 
_ pedicellate, lanceolate, silky; sty. long, bifid; stig. 2-lobed.—A shrub in dry 
soils, Northern States, 4—8f high, with brown twigs. On the ends of these, 
cone-like excrescences are often produced by the punctures of insects. Aments 
covered with very hairy scales, appearing before the leaves in April. 
3. S. canpipa. Willd. White Willow. 
Lvs. lanceolate or linear-lanceolate, very long, obscurely serrulate at the 
summit, pubescent above, hoary-tomentose beneath, revolute on the margin; stip. 
lanceolate, as long as the petioles; aments cylindric; scales obovate, obtuse, 
very long, hairy; stig. 2-lobed—A_ beautiful species in shady woods. Stems 
4—6f high. Leaves 8—12’ by 1—2’. Catkins dense, white with dense wool. 
Styles and stigmas dark red, }’in length. April, May. 
§ 2. Discotores. Borrer. Trees or shrubs blossoming in early spring. Leaves 
serrate or denticulate, smooth and shining above, glaucous and pubescent beneath. 
Aments oval or cylindrical, preceding the leaves, smooth, silky or woolly, withovt floral 
* Artanged according to Dr. Joseph Barratt. See preface, 
