40 



(1-2 inches) long, the fertile becoming 4-8 cm. (1 ^-3 inches) long in 

 fruit; capsules lanceolate, 4-5 mm. (1/6 inch) long; pedicels slender, 

 2 mm. (1/12 inch) long. 



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 (Beam); Henry (Deam); Jasper (Beam); 

 Kosciusko (Beam); Lake (Beam), (Umbach); Laporte (Beam); Marion 

 (Mrs. Chas. C. Beam); Marshall (Beam); Pulaski (Beam); Steuben 

 (Beam); Wells (Beam); White (Beam). 



3. Salix alba Linnseus. 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 yellow- 

 ish, glabrous; buds 5-6 mm. (% 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^-2^2 inches) long; scales pale yellow; capsules ovoid-conical, 

 3-5 mm. (^ inch) long, almost sessile. The common form usually 

 is referred to variety vitellina (Linnseus) 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. Beam) ; Harrison (Beam) ; 

 Switzerland (Beam); Warren (Beam); Wells (Beam). 



4. Salix fragilis Linnseus. 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. (}.-% inch) long, glandu- 

 lar just below the base of the leaf; leaves lanceolate, acuminate, 7-15 

 cm. (3-6 inches) long, 2-3.5 cm. (4/5-1 % 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 J^-3 inches) long; capsules slenderly conical, 4-5 mm. (1/5 inch) 

 long, on pedicels 0.5-1 mm. (1/16 inch) long. 



