COMPOSITE FAMILY 245 



2. BRICKELLIA. 



Herbs and shrubs with veiny leaves. Involucre narrow, its 

 bracts thin, the outer successively shorter, all with parallel 

 nerves. Flowers whitish. Akenes with 10 longitudinal lines. 

 (Coleosanthus.) 



1. B. californica Gray. A woody-stemmed bush, 2 to 4 ft. 

 high. Leaves alternate, ovate, toothed, ^4 to V/2 in. long, 

 short-petioled. Heads 10 to 20-flowered, whitish, in a leafy 

 panicle. Pappus of rough hair-like bristles, becoming brown. 

 — In stony soil at low altitudes. 



2. B. grandiflora Nutt. Stems simple below, scarcely 

 woody, 1 to 3 ft. high. Leaves mostly opposite, ovate, 

 toothed, V/ 2 to 3 in. long, petioled. Heads whitish, about 40- 

 flowered, J /2 in. high, in leafless panicles. Pappus-bristles 

 white. — Of wide distribution; found at Mirror Lake and at 

 Lake Tahoe. 



B. linifolia Eat., a low, brittle-stemmed desert shrub, with 

 narrow and entire, sessile leaves, has been reported from 

 Yosemite Valley, but this was undoubtedly an error, perhaps 

 due to the mixing of labels. 



3. CHRYSOPSIS. 



Perennial herbs with alternate entire leaves and medium- 

 sized heads of yellow flowers. Involucre of thin narrow regu- 

 larly imbricated bracts. Akenes narrowed below, very hairy; 

 pappus of numerous brownish bristles (and also some short 

 outer scales in the first species). 



1. C. villosa Nutt. A leafy perennial, gray with a dense 

 pubescence, l / 2 to V/ 2 ft. high. Leaves lanceolate, entire, 24 

 to V/2 in. long, sessile. Heads y 2 in. high, including the showy 

 yellow rays. — A widely distributed species found above Pleas- 

 ant Valley by Mr. Fred M. Reed. 



2. C. breweri Gray. A leafy rough-pubescent perennial 

 herb, 2 to 4 ft. high. Leaves ovate-lanceolate, acute, entire, 

 1 to \Ya, in. long, sessile. Heads without rays, /z in. high, the 

 linear-acute bracts much shorter. — In pine forests and on 

 rocky ledges at 4000 to 9000 ft. alt. 



4. SOLIDAGO. Goldenrod. 

 Perennial herbs with alternate leaves and many small heads 

 of yellow flowers. Involucral bracts imbricated, thin, narrow, 

 without green tips. Akenes cylindric, 5 to 12-nerved; pappus 

 of numerous slender bristles. 



