WILLOW FAMILY 



Leaves. Lanceolate, frequently falcate, wedge-shaped or rounded 

 often unequal at base, finely serrate, narrowed into long slender 

 points at the apex. When full grown they are light green and shin- 

 ing above, pale and glaucous beneath. The midrib is stout, yellow 

 or orange ; the petioles are slender, one-half to three-quarters of an 

 inch long ; the stipules reniform, serrate, frequently half an inch 

 broad and usually caducous. 



Flowers. The catkins are two to three inches long, the scales are 

 yellow, very hairy, the stamens from five to nine. 



Fruit. Capsule, globose-conical, pale reddish yellow, and about 

 a quarter of an inch long. ' 



SANDBAR WILLOW LONG LEAF WILLOW 



S&lix fluvidtilis. 



This willow is usually about twenty feet in height, with a trunk 

 only a few inches in diameter, and short erect branches, spreading 

 by stoloniferous roots into broad thickets. Rarely it 

 becomes a tree sixty feet high ; frequently a shrub 

 five or six feet high. 



Bark. Smooth, dark brown, slightly tinged with 

 red and scaly. Branchlets are slender, smooth, light 

 or dark orange color or purplish red. 



Leaves. Come out of the bud involute, are linear- 

 lanceolate, often falcate, gradually narrowed at both 

 ends, finely dentate-serrate, acute or acuminate. 

 When they first appear they are exceedingly silky, 

 when mature they are thin, smooth, yellow green 

 above, paler green below. They vary from two to 

 six inches long, one-eighth to one-half an inch wide. 

 Midribs raised and prominent ; petioles grooved ; 

 stipules leafy, deciduous. 



Flowers. Aments are very silky, on the staminate 

 plant they are about an inch long, terminal and axil- 

 lary, the terminal flowers opening first. The pistil- 

 late aments are two to three inches long and terminal 

 on leafy branches. Stamens are two with free fila- 

 ments, ovary is very silky and crowned with deeply 

 lobed stigmas. 



Fruit. Capsule, light brown, one-fourth an inch 

 long. 



Longleaf Willow, 

 Salix fluviatilis. 

 Leaves 2' to bf 

 long, %' to %' 

 broad. 



The range of Sandbar Willow covers the 

 continent from the arctic circle to northern 



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