Bailey ac Bailey: Woody Plants of National Parks 45 



torn Ranch; Bright Angel Creek about 2 miles above Phantom Ranch; Cottonwood 

 Camp, along Kaibab trail; YELLOWSTONE. 



7. Yewleaf Willow (Salix taxijolia H. B. K.). — Tall shrub or a 

 tree; foliage similar to that of sandbar willow but the leaves shorter, 1 to 3 

 inches long, and the capsules hairy. 



Occurrence. — ZION : near Coalpits Wash. GRAND CANYON, South Rim. 



8. Hinds Willow {Salix Hmdsiana Benth.). — Erect shrub or small 

 tree 6 to 25 feet high; leaves linear to linear-lance-shaped, I1/2 to ^i/^ inches 

 long, more or less hairy, those of young shoots often densely silky, the mar- 

 gins not toothed or rarely few-toothed; catkins appearing after the leaves, 

 % to 1 inch long, borne on short leafy stalks; scales yellowish, soon falling; 

 stamens 2, the filaments hairy; capsules silky-hairy or becoming smooth; 

 styles evident. 



Occurrence. — CRATER LAKE. YOSEMITE: Bear Camp on Big Oak Flat road, 6,000 

 feet. 



9. Whiplash Willow {Salix caudata (Nutt.) Hell.). — Spreading 

 shrub 1 to 15 feet high; twigs reddish, shiny leaves linear-lance-shaped to 

 lance-shaped, long-pointed at the tips, the leaf-stalks and bases of leaf-blades 

 glandular, the margins gland-toothed; scales yellowish, not hairy, soon falling; 

 stamens 3 to 9; capsules smooth; styles very short. 



Occurrence. — glacier, rare at low altitudes. (A small leaved form found along 

 Swiftcurrent Creek has been designated variety parvifolia by C. R. Ball.) ROCKY 

 MOUNTAIN, abundant at lower altitudes. 



9a. Bryant Willow (Var. Bryantiana Ball &: Bracelin). — Shrub 3 to 

 15 feet high with several stems clustered at base; twigs reddish-brown, smooth 

 and shining; leaves lance-shaped to oblong-lance-shaped, 31/4 to 5^2 inches 

 long, dark green and smooth above, paler below; filaments hairy below; cap- 

 sules smooth; styles evident. (Syn. S. Fendleriana Anderss. of the Plants 

 of Yellowstone National Park.) ^ 



Occurrence. — Yellowstone, grand teton : near Moose, eastern park boundary. 

 rocky mountain, abundant at lower alittudes. 



10. Autumn Willow {Salix senssima (Bailey) Fern.). — Tall shrub; 

 leaves 2 to 3 inches long, '^ to I/2 inch wide, elliptic-lance-shaped, short- 

 pointed, green above, slightly paler below, the margins finely toothed; catkins 

 borne on short leafy branchlets; scales yellowish, soon falling; stamens 3 or 

 more, the filaments hairy below; capsules smooth, the styles very short or none. 



Occurrence. — glacier, rare on east side: Swiftcurrent Lake. ROCKY MOUNTAIN, 

 raie: Long's Peak Inn, 9.000 feet. 



11. Bluestem Willow {Salix irrorata Anderss.). — Shrub 5 to 12 feet 

 high, the stems dark purplish, at first covered with a whitish bloom, the foliage 

 with a bluish-gray aspect; leaves firm, dark green above, whitish below, not 

 toothed or remotely toothed, those of the summer foliage narrowly lance- 



11 McDougall, W. B., and Baggley, H. A., Plants of Yellowstone National Park, 

 p. 47. Washington D. C. 1936. 



