1921 ] Smiley: Flora of the Sierra Nevada of California 363 



7. ASTER 



Leaves nearly all radical; scapes monocephalous. 



Stems 6-18 inches high, erect; achenes soft villous all over ....1. A. Anderson! 

 Stems 2-6 inches high, decumbent-spreading; achenes sparingly pubescent or 



glabrate 2. A. pulchellus 



Plants with leafy stems; heads in an open panicle. 



Plants without glandular pubescence, not at all viscid; leaves narrow and 



mostly acute. 

 Cauline leaves sessile; bracts of the involucre subequal and obscurely 



imbricated. 

 Heads very large (%-l inch broad); leaves often auriculate; .upper part 



of the stem somewhat tomentulose 3. A. foliaceus 



Heads smaller; leaves not auriculate, thin and deep green. 



Panicles leafy; involucral bracts with long tips; stems slender, some- 

 times decumbent 4. A. yosemitanus 



Panicles with reduced leaves; involucral bracts not long pointed; stems 



stouter than in No. 4 5. A. Fremontii 



Cauline leaves tapering to a long winged peticle; bracts of 2 or 3 lengths, 



obviously imbricated 6. A. occidentalis 



Plant viscidly glandular; leaves broad, spatulate or oblong (3-10 inches 

 long) ; heads very large 7. A. integrifolius 



1. Aster Anderson! Gray, Proc. Am. Acad., vol. 7, p. 352. 1867. 



Erigeron Andersoni Gray, Proc. Am. Acad., vol. 6, p. 540. 1866. 

 Oreastrum Andersoni Greene, Pitt., vol. 3, p. 147. 1896. 

 Oreostcmma Andersoni Greene, Pitt., vol. 4, p. 224. 1900. 



Type locality. "Nevada, Carson City, Dr. C. L. Anderson. Cali- 

 fornia, Lake Tenaya in the Sierra Nevada, alt. 8,000 feet, Prof. 

 Brewer. Westf all's meadows in the Yosemite, 8,000 feet, and in the 

 meadows on the Tuolumne, 9,700 feet, smaller and smoother speci- 

 mens, H. N. Bolander. " 



Range. Sierra Nevada and mountains of southern California. 



Zone. Canadian mainly, but rising in dwarf form to timber line 

 or even above. 



Specimens examined. Ridge south of Donner Pass, 7,500 feet, 

 Heller 7136; Sierra Nevada, Kellogg; Silver Lake, Amador County, 

 8,000 feet, Hansen 767; meadows near Forni, Pyramid Peak, 7,300 

 feet, Hall and Chandler 4756; Mt. Stanford (Castle Peak), grassy 

 plots, 8,000 feet, Sonne, July 25, 1886; near Donner Lake, Torrey 

 208 ; Mt. Dana, Congdon, August 27, 1895 ; Elizabeth Lake, Yosemite, 

 9,800 feet, Smiley 794; Dana Fork meadows, Yosemite, 9,800 feet, 

 Smiley 852; Lake Tenaya, 8,000 feet, Brewer in 1863; Tuolumne 

 meadows, open wet meadow, 8,600 feet, R. A. Ware 2652c; same 

 locality, 9,700 feet, Bolander 5057; Westfall's meadows, above 

 Yosemite, 8,000 feet, Bolander 4974; Peregoy's, above Yosemite, A. 

 Gray in 1872; Lake Tenaya, wet meadow, 8,150 feet, Smiley 680; 

 Dinkpy Creek, Bald Mountain, Fresno County, 7,500 feet, Hall and 



