Description of Native Trees 
60. White Willow. Yellow Willow. (Salix alba, with 
var. vitellina.) 
LEAF: 3-4, simple, alternate, serrate, narrow, apex tapering, 
white silky hairy both sides, more beneath. The willow seen in 
early spring with bright yellow branches is a variety (vitellina) 
with shorter, broader leaves. 
61. Weeping Willow. (Salix Babylonica.) 
LEAF: 5’, simple, alternate, serrate, long and narrow ; tree 
recognized by long, drooping branches. (Pl. X.) 
62. Long-leaved Willow. Sandbar Willow. (Salix 
longifolia.) 
LEAF: 2’-6’, simple, alternate, minutely serrate, %'—4' broad, 
very silky when young ; along river-banks ; low tree and shrub 
63. Bebb Willow. Long-beaked Willow. (Salix rostrata.) 
LEAF: 2'-4’, simple, alternate, quite or scarcely serrate, or en- 
tire, long-obovate, apex sharp, base wedge-shaped or rounded, 
when mature thick, dull green above, quite downy beneath; 
twigs usually reddish-brown ; tree and shrub. 
64. Scythe-leaved Willow. (Salix nigra, var. falcata.) 
LeaF: 4'-8', simple, alternate, finely serrate, very narrow, 
apex and base tapering, often curved, both sides green and 
smooth ; stipules perszstent, crescent-shaped, serrate. RANGE: 
New England to Pennsylvania and west ; low tree and shrub. 
65. White Birch. Gray Birch. (Betula populifolia.) 
LEAF: 2'-3', simple, alternate, doubly serrate, triangular, 
apex long-pointed, rather glossy ; bark white, but not peeling as 
readily as in Paper Birch. RANGE: Maine to Pennsylvania, near 
coast. (Pl. IV.) 
66. Cottonwood. River Poplar. (Populus monilifera.) 
LEAF : 2'-5', simple, alternate, rather coarsely serrate, triangu- 
lar, apex tapering ; small branches somewhat angled. RANGE: 
west New England to Illinois, and south; stately tree; near 
water. (Pl. VI.) 
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