1921] Smiley: Flora of the Sierra Nevada of Calif orma 367 



Specimens examined. — Silver Lake, Amador County, 8,000 feet, 

 Hansen 768 ; Siunmit Soda Spring-s, Kennedy and Doten ; Fallen 

 Leaf Lake, Tahoe, 6,400 feet. Hall 8778 ; head of Mono Pass, Congdon, 

 no. 51, 1896 ; meadows near Little Kern River, 11-12,000 feet, Purpus 

 5209. 



7. Aster integrifolius Nutt., Trans. Am. Phil. Soc. II, vol. 7, p. 291. 

 1840. 



Type locality. — "Near the summit of Thornberg's Ridge" (Wyom- 

 ing). 



Range. — Montana to Colorado and westward to the Pacific Coast. 



Zone. — Transition and Canadian. 



Specimens examiined. — Summit, Kellogg; Hermit Valley, Alpine 

 County, 8,000 feet, Hansen 382 ; near Summit, 7,000 feet, E. L. Greene 

 433 ; "Webber Lake, Lemmon 1100 ; Little Valley, Washoe County, 

 Nevada, 2,000-2,150 m.. Baker 1470; south side of Slide Mountain, 

 Washoe County, 8,200 feet. Heller 10669 ; soda springs of the Tuol- 

 umne, Congdon, August, 1894; Tamarack trail to the Lake of the 

 Woods, Tahoe, 8,200 feet, Smiley 264; Ostrander's near Yosemite, 

 8,000 feet, Bolander 6166; Alta meadows, Tulare County, R. Hop- 

 ping 502; Hockett's meadows, Tulare County, 8,500 feet, Hall and 

 Babcock 5635 ; dry meadows along Little Kern River, 9-10,000 feet, 

 Purpus 2005; North Fork of Middle Tule River, Tulare County, 

 7,800 feet, H. M. and G. R. Hall 8480; Little Kern River, Tulare 

 County, Culbertson (B4549). 



8. ERIGERON 



Cauline leaves numerous, though often reduced in size. 

 Heads radiate. 

 Eays violet. 



Cauline leaves gradually reduced upwards from the base of the flowering 



stems; leaves smooth 1. E. salsuginosus 



Stems equably leafy to the top; leaves scabrid. 



Stems 6-20 inches high, erect; leaves obtuse 2. E. Breweri 



Stems 3-10 inches high, decumbent; leaves acute 3. E. Elmeri 



Rays white or pink. 



Eays conspicuous, much exceeding the disk. 



Stems few, erect, 10-20 inches high; leaves thin, green, puberulent or 



glabrous; rays 50-70 4. E. Coulteri 



Stems many, ascending or spreading; leaves thickish, with dense, soft 



pubescence; rays 40-50 5. E. caespitosus 



Eays inconspicuous, very short and numerous, scarcely exceeding the 



disk 6. "E. lonclaophyllus 



Heads rayless. 



Leaves glabrous, linear; stem stiffly erect, 1-2 feet 7. E. inornatus 



Leaves soft-hirsute, spatulate; stems spreading 8. E. miser 



