=Distribution.=--From Western Quebec and Central New York, west to the
Cascade Mountains in British Columbia, Washington and Oregon, south to
Colorado and northwest Texas. In Indiana fairly common in the northern
third, rare in the central third, and lacking in the southern portion of
the State.
Specimens have been seen from Indiana from the following counties:
Elkhart (Deam); Fulton (Deam); Henry (Deam); Jasper (Deam); Kosciusko
(Deam); Lake (Deam), (Umbach); Laporte (Deam); Marion (Mrs. Chas. C.
Deam); Marshall (Deam); Pulaski (Deam); Steuben (Deam); Wells (Deam);
White (Deam).
=3.= =Salix álba= Linnæus. Willow. White Willow. Plate 12. Trees with
1-5 spreading stems, 5-20 m. (17-65 feet) high; bark rough, coarsely
ridged, gray to brownish; twigs brittle at base, green or yellowish,
glabrous; buds 5-6 mm. (1/4 inch) long; petioles 5-10 mm. (1/5-2/5 inch)
long, seldom glandular; leaves lanceolate, 5-12 cm. (2-5 inches) long,
1-2.5 cm. (2/5-1 inch) wide, acuminate at apex, usually acute at base,
leaves bright green above, glaucous beneath, thinly to densely silky on
both sides when young, often permanently silky beneath, margins with
about 9-10 teeth per cm. (2/5 inch), usually glandular; flowers with the
leaves, in April and May; catkins slender, cylindrical, 3-6 cm.
(1-1/4-2-1/2 inches) long; scales pale yellow; capsules ovoid-conical,
3-5 mm. (1/4 inch) long, almost sessile. The common form usually is
referred to variety =vitellina= (Linnæus) Koch, with orange twigs and
more glabrate leaves.
=Distribution.=--A native of Europe which has been frequently planted
and sometimes escapes.
Specimens have been seen from Indiana from the following counties:
Gibson (Schneck); Hamilton (Mrs. Chas. C. Deam); Harrison (Deam);
Switzerland (Deam); Warren (Deam); Wells (Deam).
=4.= =Salix frágilis= Linnæus. Willow. Crack Willow. Plate 13. Tree very
similar to _Salix alba_; twigs very brittle at the base (hence the
name), green to reddish; petioles 7-15 mm. (1/4-5/8 inch) long,
glandular just below the base of the leaf; leaves lanceolate, acuminate,
7-15 cm. (3-6 inches) long, 2-3.5 cm. (4/5-1-1/2 inches) wide, coarsely
serrate with 5-6 teeth to each cm. (2/5 inch) of margin, dark green and
shining above, paler to glaucous beneath, rarely green, glabrous on both
sides; catkins appearing with the leaves in late April and during May,
4-8 cm. (1-1/2-3 inches) long; capsules slenderly conical, 4-5 mm. (1/5
inch) long, on pedicels 0.5-1 mm. (1/16 inch) long.
[Illustration: Plate 12.