58 Bulletin of the University of Texas 



Maryland to Kentucky, and Missouri, south to Florida, 

 Texas ; New Mexico, and Mexico. 



The wood is weak, soft, and rather dark brown and of little 

 economic value. 



4. Salix nigra Marsh. Black 'Willow. A tree reaching a 

 maximum height of 100, and diameter of 3, but commonly 

 much smaller, 30-40. The crown is wide spreading. Bark 

 of trunk rough, thick, flaky, dark brown or nearly black on 

 old portion, shoots hairy at first green or greenish brown, be- 

 coming brown and smooth with age. Leaves narrowly lanceo- 

 late, long pointed, bright green above, paler and smooth be- 

 neath, closely serrat-3, sometimes with hairs along veins. 

 Flowers in April and May. 



New Brunswick west to North Dakota, south to Florida 

 and west to Texas. Grows along stream banks. 



The wood is light, soft, warps badly, and has not been of 

 much economic importance. 



5. Salix amygdaloides Anders. Peach Willow. Almond 

 Willow. A tree reaching 60 -70 in height and 2 in diameter. 

 Regarded by some as a variety of S. nigra. Bark of trunk fis- 

 sured, 1/3' to %' thick, brown tinged with red. Young twigs 

 smooth, orange to reddish brown, brittle. Leaves lanceolate 

 to ovate lanceolate, somewhat curved, long pointed, light green 

 above, pale and glaucous beneath, closely serrate. Flowers 

 earlier than the preceding species. 



Quebec west -to Manitoba, southward to Ohio and westward 

 to the Rocky Mountains, extending to southwestern Texas. 

 Common along the Rio Grande from El Paso northward. 



Too rare to be of much importance. The wood has been 

 used in the preparation of charcoal. 



6. Salix interior Rowlee. Sand Bar Willow. A shrub, or 

 sometimes a tree reaching 40-50 in height, but usually not 

 over 20. Sometimes forming thickets. The bark is brown, 

 rather thin ; Vs'^/i'* and almost smooth. The young twigs are 

 slender, smooth, or with fine hairs, reddish, becoming brown 

 with age. Leaves linear lanceolate, often falcate, pointed at 

 both ends, light yellowish green, darker on upper than on 

 lower surfac, remotely notched w r ith projecting teeth. Petiole 

 of the leaf grooved 1 /& / - 1 /4' long. 



