SALICACE. SILVA OF NORTH AMERICA. 
CONSPECTUS OF THE NORTH AMERICAN SPECIES. 
Stigmas 2, 2-lobed, their lobes filiform ; capsule oblong-conical, thin-walled, 2-valved ; leaves ovate ; 
petioles elongated, compressed laterally ; buds slightly resinous, glabrous or pubescent. 
Leaves ovate or semiorbicular, short-pointed, slightly cordate or truncate at the base, finely 
serrate ; buds usually glabrous . . 
Leaves broadly ovate, coarsely crenate, coated at first with hoary tomentum ; buds tomentose 
Stigmas from 2 to 4, 2-lobed and dilated, the lobes variously divided; capsule subglobose to ovate- 
oblong, usually thick-walled, 2 to 4-valved; leaves ovate, cordate, lanceolate or deltoid ; petioles 
terete or laterally compressed ; buds very resinous. 
Leaves broadly ovate, acute, short-pointed or rounded at the apex, crenately serrate ; petioles 
terete . . 2. . . 
Leaves ovate-lanceolate, acute or acuminate, dark green and lustrous on the upper surface, pale 
and often ferrugineous on the lower . 
Leaves ovate or lanceolate, green on both surfaces o 
Leaves usually broadly ovate, acuminate, rounded or cordate at the broad base, dark green on 
the upper surface, pale, ferrugineous or silvery on the lower; ovaries tomentose . 
Leaves deltoid or broadly ovate, usually abruptly acuminate, coarsely crenate ; petioles laterally 
compressed 3 : 
Leaves deltoid or reniform, usually short-pointed at the apex, coarsely and irregularly crenately 
serrate ; petioles laterally compressed . 
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- TREMULOIDES. 
- GRANDIDENTATA. 
- HETEROPHYLLA. 
- BALSAMIFERA. 
- ANGUSTIFOLIA. 
- TRICHOCARPA. 
- DELTOIDEA. 
. FREMONTII. 
