SALICACE.E 



145 



Kansas, northwestern Oklahoma and northwestern Texas; in Colorado, Utah and Nevada 

 to central Oregon and southeastern Washington. 



> 



Salix amygdaloides var. Wrightii Schn. 



Salix Wrightii Anders. 



Leaves lanceolate, gradually acuminate and long-pointed at apex, cuneate at base, finely 

 serrate, occasionally slightly falcate, glabrous, yellow-green on the upper surface, pale on 

 the lower surface, l|'-2' long, \'-\' wide, and on vigorous summer shoots sometimes 4' or 5' 

 long and %' wide; petioles slender, glabrous, \'-\' in length. Flowers and Fruit as in the 

 species. 



Fig. 138 



A small or large tree best distinguished from S. amygdaloides by the distinctly yellow or 

 yellowish brown glabrous branchlets. 



Distribution. Barstow, Ward County, common along the Rio Grande near El Paso 

 and at Belon, El Paso County, and on Amarillo Creek, Potter County, western Texas; 

 through southern New Mexico to the Sacramento Mountains, Otero County. 



15. Salix Bonplandiana var. Toumeyi Schn. 

 Salix Toumeyi. Britt. 

 Leaves 4 '-6' long, ^'-f wide, linear-lanceolate to oblong-lanceolate, acuminate with a 

 ng slender point at apex, gradually narrowed and often unequal at the cuneate base, 

 obscurely serrate with glandular teeth, or entire with revolute margins, thick and firm, 

 reticulate-venulose, yellow-green and lustrous above, silvery white below, with a broad 

 yellow midrib; falling irregularly during the winter; petioles stout, grooved, reddish; 

 stipules ovate, rounded, slightly undulate, thin and scarious, \'-\' broad, often persistent 

 during the summer. Flowers: aments on leafy branchlets, cylindric, erect, slender, short- 

 stalked, the staminate I'-l^' long and somewhat longer than the pistillate; scales 

 broadly obovate, rounded at the apex, light yellow, viljose on the outer surface and glabrous 

 or slightly hairy above the middle on the inner surface; stamens usually 3, with free fila- 

 ments slightly hairy at the base; ovary slender, oblong-conic, short-stalked, glabrous, with 

 nearly sessile much- thickened club-shaped stigmas, sometimes nearly encircled below by 

 the large broad ventral gland. Fruit ovoid-conic, rounded at base, light reddish yellow. 

 A tree, rarely more than 30 high, with a trunk 12'-15' in diameter, slender erect and 

 spreading branches often pendulous at the ends, forming a broad round-topped head, and 



