WILLOW FAMILY 



497 



Salix lasiolepis bakeri (v. Seem.) Ball, Bot. Gaz. 71: 436. 1921. (Salix bakeri v. Seemen, Bull. Torrey 

 Club 30: 63S. 1903.) As the species except capsule thinly pubescent, at least near the apex, and apparently 

 slightly larger, 5-6 mm. iong. 



Sparingly about San Francisco Bay. Type locality: "foothills near Stanford University, Santa Clara 

 County, California." 



Salix lasiolepis bigelovii (Torr.) Bebb, Willows Calif, (repr. S. Wats. Bot. Calif. 2: 86.) 1879. {Salix 

 bigelozii Torr. Pac. R. Rep. 4: 139. 1857. Salix franciscana von Seemen, Bull. Torrey Club 30: 634. 1903.) 

 Leaves broadly cuneate-oblanceolate or spatulate to obovate, pubescent beneath, often densely so; capsule to 

 6 mm. long; pedicel 1-2 mm. long; otherwise as the species. 



With the species in the northern and central parts of its range. Type locality: "near San Francisco," 

 California. 



20. Salix wolfii idahoensis Ball. Idaho Willow. Fig. 1209. 



Salix wolfii idahoensis Ball, Bot. Gaz. 40: 378. 1905. 



Low shrub 6-10 dm. high ; twigs chestnut, 

 Ieaf\% the younger yellowish, lustrous ; leaves 

 oblanceolate or rhomboid-oblanceolate, or ellip- 

 tical, acute at the apex, rounded at the base, 

 3-6 cm. long, 1-1.8 cm. wide, entire, dull green 

 and silky-villous with shining hairs on both 

 sides ; stipules small or wanting ; peduncles 

 short, bearing several leaf-like bracts; pistillate 

 aments 1-3.5 cm. long, subglobose to oblong, 

 densely flowered ; staminate aments 0.5-2 cm. 

 long ; scales dark, obovate, sparsely long-vil- 

 lous ; capsules 4.5-5 mm. long, thinly to densely 

 tomentose ; pedicels about 0.5 mm. long ; styles 

 0.8-1.2 mm. long. (The species with smaller 

 leaves and aments, and glabrous capsules). 



In the higher mountains, above 6,000 feet. Boreal 

 Zoiie: northeastern Oregon (Wallowa County) to 

 Yellowstone Park, Wyoming, adjacent Montana and 

 sparingly in Colorado. (The species from Yellow- 

 stone Park to southern Colorado: up to 12,000 feet.) 

 Type locality: "forks of W&od River, altitude 6,000 

 feet" (Blaine County, Idaho). 



21. Salix pseudomonticola Ball. False Mountain Willow. Fig. 1210. 



Salix pseudomonticola Ball, in Standley, Contrib. 

 U. S. Nat. Herb. 22: 321. 1921. 



Shrubs 1-3 m. high ; branchlets yellowish 

 to red or brown, shining, usually glabrous or 

 the youngest occasionally pubescent ; stipules 

 large; blades elliptic-ovate or narrowly to 

 broadly ovate (young obovate) 4-6 cm. long, 

 1.5-3 cm. wide, common sizes 1.8x4.5, 2x4, 

 2.5x5, and 3x6 cm., rounded to mostly cor- 

 date at base, acute to abruptly acuminate at 

 apex, coarsely glandular crenate-serratc, 

 green above, glaucous beneath, glabrous and 

 strongly veined on both surfaces ; aments 

 coetaneous, subsessile, pistillate 3-7 cm. 

 long ; scales broadly oblanceolate, obtuse, 

 brown, clothed densely within and thinly out- 

 side with long hairs ; capsules 6-8 mm. long, 

 glabrous; pedicel 1-1.5 mm. long, glabrous; 

 style 0.6-1 mm. long ; stamens 2, filaments 

 glabrous, free. 



Rocky Mountains, 4,000-6,000 feet. Boreal Zone; 

 in Alberta (Jasper Park) and British Columbia, 

 southward to western Montana and northwest 

 Wyoming; doubtfully to Cascade Mountains in 

 Washington. Type locality: Rocky Mountain 

 Park, Banff, Alberta, Canada. 



