430 
SALICACEA2. (WILLOW FAMILY.) 
slightly toothed, strongly veined, smooth and shining above, rather 
glaucous beneath; catkins mostly lateral, oblong-cylindrical; ovary 
smooth, stalked; style distinct; stamen single ; scales oblanceolate, en¬ 
tire, Hack, covered with long silky hairs. (S. Cutleri, Tuckennan.)- 
pine summits of the White Mountains, New Hampshire, and moun¬ 
tains of Essex county. New York. - A very small, almost prostrate 
shrub known at once by the monandrous flowers. S. retusa, L., with 
uc i tii. species has been confounded, is a plant of the Southern 
p., laving t le catkins issuing from the terminal buds, with smooth , 
notched scales, and two stamens. 
^1. S. 11 pens, L. (Creeping Willow.) Leaves lanceolate, 
p mted, when young obovate and obtuse, irregularly repand-toothed, 
noot i an green above, covered beneath when young with long and 
unin o ciduous hairs , at maturity smooth and glaucous; catkins 
9_°q ’ ^ | 10r V ovar y densely silky, stalked; style very distinct ; stamens 
-o; gland sometimes double; scales obovate, obtuse, clothed with 
ong hairs. j S fiisca, Smith y _ Moigt alp . ne ravineg of the White 
oun tains, ew Hampshire. — Whole plant, when young, of a gios- 
y, atmy ustre ; the leaves at length becoming quite smooth, with a 
whue and prominent midrib, and slightly elevated veins. 
2*. S herbacea, L. (Herb-like Willow.) Leaves round- 
i. t ova , eari-shaped, notched at the apex , serrate, smooth and shin* 
»ng, wnh reticulated veins; catkins issuing from the terminal buds, 
no ew-flowered ; ovary sessile , smooth ; scales smooth, ciliate. 
pine summits of the White Mountains, Oakes, Pickering, &e. - 
ery sma erb-like species, the stems seldom rising above an inch 
or two from the ground. 
POPULUS, Tourn. Poplar. Aspen. 
Bracts ( scales ) of the catkins irregularly cut-lobed at the apex, 
s from a cup-shaped disk which is obliquely lengthened in 
t tamens 8-30, or more: filaments distinct. Stigmas 
e on^ate . Trees, with usually broad and more or less heart- 
‘ j et or ovate toothed leaves, and mostly angular branches, 
s invested with imbricated scales, covered with resinous var- 
.np, Aments long and drooping, appearing before the leaves. 
( he ancient name, called Arbor-Populi, because it was used to 
ecorate the public walks, or on account of the constant agitation 
of the leaves by every impulse.) 
Michx - (American Aspen.) Leaves 
roundish-heart-shaped, a short sh int? and sma U somewhat 
Hr !“?’ S “°° th ° n b ° th sides > with downy margins; scales cat 
cep linear divisions, fringed with long hairs. — A com- 
