252 COMPOSITE FAMILY 



from specimens gathered in the "Grand Canon of the Tu- 

 olumne River, California, in the summer of 1890, by Messrs. 

 Victor Chesnut and Elmer Drew" and was named in honor 

 of the latter. It is now found to be rather common on rocky- 

 ledges around Yosemite Valley and occurs as far southward 

 as Mineral King, Tulare Co. 



7. E. miser Gray. Stems loose, spreading, 3 to 9 in. high. 

 Leaves spatulate, $4 in. or less long, densely gray-pubescent. 

 Heads z /2 in. across, without rays, the involucre minutely 

 glandular. — Donner Lake, perhaps extending to our northern 

 borders. 



8. E. inornatus Gray. Stems stiffly erect, 12 to 24 in. high, 

 bearing 5 to 30 peduncled heads in a terminal cluster. Leaves 

 broadly linear, 1 or 2 in. long, green, nearly glabrous. Heads 

 y 2 in. across, with unequal bracts and no rays. — Tioga Road 

 and elsewhere in the Yellow Pine Belt. 



9. E. concinnus T. & G. Stems numerous, erect, 12 in. or 

 less high. Leaves linear-spatulate, acute, 24 to V/i in. long, 

 gray with long spreading hairs. Heads Y^ in. across. Rays 

 very numerous, violet or blue. Pappus of the usual bristles 

 and an additional outer series of short narrow scales. — Desert 

 borders, reaching Bloody Canon. There is a var. aphanactis 

 Gray, without rays. 



10. E. divergens T. & G. Stems many, from an annual tap- 

 root, 6 to 18 in. high, bearing numerous heads. Leaves linear 

 or spatulate, ^ to 1 in. long, pale, rough-hairy. Heads about 

 24 in. across; involucre white-hairy. Rays very numerous, 

 narrow, violet or whitish. Outer pappus of short slender 

 scales. — Hetch Hetchy Valley. 



11 E coulter! Porter. Stems few, erect, 9 to 18 in. high, 

 from perennial rootstocks, bearing 1 to 4 heads. Lower leaves 

 oblanceolate, 2 to 4 in. long, often toothed; middle ones 

 oblong or lanceolate, with clasping base; all thin, green and 

 obscurely pubescent. Heads V/ A in. across. Rays 50 to 80, 

 white, y 2 in. long. (£. frondosus Greene.) 



The pure-white rays of this Erigeron, surrounding the yel- 

 low disk, add a cheerful tone to many a shaded stream bank 

 and sub-alpine meadow. The bright-green foliage is softer 

 and more pleasing than in most other species It ranges 

 throughout the Sierra Nevada from about 6000 to 10,000 ft. alt. 



12 E. ramosus B.S.P. Daisy Fleabane. Stems erect, 

 VA to 3 ft. high, from an annual root, bearing usually numer- 

 ous heads. Leaves spatulate or oblong, mostly entire, rough- 

 hairy the lower 2 to 4 in. long (including the petiole); upper 



