Bailey &. Bailey: Woody Plants of National Parks 251 



teeth; flower heads about Yz to % inch high, these usually few in close clus- 

 ters at the ends of the stems; flowers yellow, the corollas tubular, 2-lipped; 

 involucral bracts oblong, of equal length, borne in a single series of 8 to 12, 

 rather stiff and becoming straw-colored, surrounded below by several leaf-like 

 bracts; seed-like achenes narrow, tapering towards the tip, finely glandular- 

 hairy; pappus bristles soft, numerous. 



Occurrence. — GRAND CANYON, common in the canyon, 2,500 to 3,700 feet: Bright 

 Angel trail below Indian Gardens; Kaibab trail below the Tonto on both sides of the 

 Colorado River. 



Brickellia (Brickellia Ell.), (Syn. Coleosanthus Cass.) 



Field Guide to the Species 



Leaves linear to oblong-lance-shaped, toothed or not toothed; flowers white. 



Leaves linear to narrowly lance-shaped, dark green, smooth, sticky-glutinous, 2 

 to 4 inches long, the margins finely toothed; heads 3- to 7-flowered 



I . B. longifolia. 



Leaves oblong-lance-shaped, grayish-hairy and somewhat glandular, Yz io V/i 



inches long; heads many-flowered 2. D. ohlongifolia var. linifolla. 



Leaves triangular or egg-shaped to rounded, coarsely toothed. 



Leaf-blades j/4 to |/2 inch long, 1 -nerved; flowers white 3. D. Jeseriorum. 



Leaf-blades mostly J/2 to 2 inches long, 3-nerved; flowers white to whitish, or 

 yellow. 



Leaves roughish, not sticky; flowers white or whitish 4. B. californica. 



Leaves smooth or sticky and hairy. 



Herbage sticky and hairy; flowers white or whitish 5. B. Creenei. 



Herbage not sticky nor hairy, the leaves crisp and smooth, yellowish- 

 green, with very prominent veins on both sides; flowers 

 yellow 6. B. atracl^loides. 



1. LoNGLEAF Brickellia {Buckdlia longifolia Wats.). — Erect shrubs 2 



to 6 feet high, usually with several straight stems from the base; old stems 



white, leafless during the winter, very conspicuous in the spring as the leaves 



begin to appear; leaves numerous, drooping, tending to be clustered towards 



the ends of the stems, lance-shaped to linear, about 2 to 4 inches long, smooth, 



dark green and glutinous above, paler below, the margins toothed; heads borne 



in small clusters along the flowering branches, 3- to 7-flowered, the flowers 



white; involucral bracts overlapping in several series; seed-like achenes crowned 



with a pappus of numerous hair-like bristles. 



Occurrence. — ZION : Narrows trail near Zion Stadium. GRAND CANYON, abundant in 

 the canyon, 2,500 to 6,000 feet: Bright Angel trail near trail shelter II/2 miles above 

 Indian Gardens; Garden Creek; River Trail; Kaibab trail just below Cedar Ridge; 

 Kaibab trail between Phantom Ranch and junction of Roaring Springs trail. 



2. Mohave Brickellia (Brickellia oblongifolia Nutt. var. linijolia 

 Rob.). — Round-topped bush ^ to 1 foot high, woody at base; herbage grayish- 

 hairy and somewhat glandular; leaves broadly oblong-lance-shaped to linear, 

 blunt-pointed at the tips, ^2 to lya inches long, sometimes with 1 or 2 short 

 teeth; flowers white, many in a head surrounded by a bell-shaped involucre; 

 bracts of involucre linear, with 2 to 4 longitudinal striations, the inner longest 



