40 



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

 fruit; capsules lanceolate, 4-5 mm. (16 inch) long; pedicels slender, 

 2 mm. (1 12 inch) long. 



Distribution. — From AVestern Quebec and Central New York, 

 west to the Cascade Mountains in British Columbia, Washington and 

 Oregon, south to Colorado and northwest Texas. In Indiana fairlj^ 

 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 fDeam); 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 alba Linnieus. Willow. AVhite AVillow. Plate 12. 

 Trees with 1-.5 spreading stems, 5-20 m. (17-G5feet) high; bark rough, 

 coarsely ridged, gray to brownish; twigs brittle at base, green or yellow- 

 ish, glabrous; buds 5-6 mm. (I4 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 witli al)out 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)4-232 inches) long; scales pale yellow; capsules ovoid-conical, 

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

 is referred to vaiiety vitellina (Linnt^us) Koch, with orange twigs and 

 more glabratc leaves. 



Distribution. — A native (jf Ii;ur(jpe which has been frer|uently 

 ])lanied and sometimes escapes. 



Specimens have been seen from Indiana from the following counties: 

 CJibson (Schneck); Hamilton (Mrs. Chas. C. Deam); Harrison (Deam); 

 Switzerland (Deam); AA\arren (Deam); A\''ells (Deam). 



l. Salix fragilis Linmeus. \A"illow. Crack AVillow. Plate 13. 

 Tree very similar to Salix alba; twigs very brittle at the base (hence the 

 name), gi-een to reddish; petioles 7-15 mm. ().i-5s 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 ^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 3-2-3 inches) long; capsules slenderly conical, 4-5 mm. (1/5 inch) 

 long, on pedicels 0.5-1 mm. (1/10 inch) long. 



