356 COMPOSITAE 
mostly 25-50, white, ay mm. long, 1.5-2.5 mm. wide; disk-corollas 3.5-4.5 mm. long; style- 
appendages acute, about 0.25 mm. long; pappus of 15- 20 capillary bristles and numerous stork 
outer setae ; achenes cpus 
Cliffs and other rocky places, at ie altitudes, Arctic-Alpine Zone; Olympic Mountains of Washington. Type 
locality : Olympic Mountainé. July- 
22. Erigeron petiolaris Greene. Sierra Daisy. Fig. 5603. 
Erigeron petiolaris Greene, Leaflets Bot. Obs. 2: 205. 1912. 
Erigeron algidus Jepson, Man. FI. Pl. Calif. 1052. 1925. 
Fibrous-rooted to weakly tapr peed pipe from a branching caudex, 2-30 cm. tall, te stem 
loosely soteatiine hiesut te and also viscid or glandular. Leaves shortly spreading-hairy or occa- 
sionally glabrate, the basal ones ve iauceataee io elliptic or obovate, up to about 7 cm. lo * and 12 
mm. wide, eat or rounded at the apex, the blade commonly rather abruptly contracted Lt the 
petiole ; cauline leaves few, reduced, linear ; head solitary, the disk 8-18 m e; e 5-8 
mm. high, glandular and more or less hirsute or villous-hirsute with spre eading ties the Tohitiacies 
about equal, green with purple margins and tips, or purplish throughout; ra seg 125, blue, rose- 
purple, or pink, 5-13 mm. long, 1.2-2.6 mm. wide; disk-corollas 3.04.8 m inn tyle- pci 
ages acute 0.15-0.3 mm. long; pappus of ad a ) coarse but rather fragile th py with or 
it a few obscure outer setae ; achenes 2-ne 
ne : places and meadows near and above Pe eae Zone; Sierra Nevada from Mount ee Nevada, 
to Mount Whitney, California. Type locality: Alta Meadows, Tulare’ County, eee July—Aug 
23. Erigeron cloékeyi Cronquist. Clokey’s Daisy. Fig. 5604. 
Erigeron clokeyi Cronquist, Brittonia 6: 214. 1947. 
Perennial with a stout taproot and usually branched caudex ; stems lax, spreading or ye 
3-20 cm. long, moderately or densely terse with short spreading ats not glandular 
a few 
uniformly pubescent with short sp a ie hairs, sometimes er hairs along the pr Siri 
basal leaves pri oblanceolate, up to about 8 cm. long d 6 10) oe wide, the blade sometimes 
slightly triple-nerved at cauline te ssn ous, mo 
linear o eg - mee head solitary or occasionally emispherical to turbinate, the disk 8-11 
wile: nvoluc e 4-7 m m. high, the ofeilaries a eis thickened and somewhat imbricate, 
tees ae senecialie on the midrib more or less Seakg epee ; rays 20-50, blue or pink, 
6-10 mm - lon g, 1-2.2 mm. wide; disk- -corollas 2.9 m. long; style appendages blur AMY es 
Aaah rocky places at moderate to more often high elevations in the mountains, often in dry meadows or flats, 
osm ge Zone; ir wi “ie east slope of the Sierra Nevada from Mono County to Inyo ppt eg a —_ 
ard to Nye and Clark Counties, Nevada, and Beaver County, Utah. Type locality: Lee Canyon, Charleston 
iasisintes, "Clark County, Nevada. July— Aug. 
24. Erigeron pygmaéus (A. Gray) Greene. Dwarf Daisy. Fig. 5605. 
Ererron senadensss var. legos nade Pe Proc. Amer. Acad. 8: 649. 1873. 
Greene, FI. Fran. 1897 
Palvinate-cespitose perennial eee a stout taproot and a stout branched caudex ; stem u es 
6 cm. high, more or less pubescent with short spreading hairs and usually also viscid or ine 
glarninler: Leaves ve a hirtellous or coarsely strigose with — ens or spreading 
hairs, the basal ones oblanceolate or linear-oblanceolate, up to 2.5 cm. lon 2.5 mm. wide; 
t or occasion a re i 
e dis : more or 
hirsute ; ig cane oh pave subequal or somewhat imbricate, deep blackish Bgsl-2 or with green 
body and purple “thi ¢ s 15-35, blue or purple, 4-7 mm. long, 1.1-1.8 mm. wide; dis k-corollas 
-5.3 m tig Se ng; s Loe appendages acute, 0.3-0.5 m m. long; pappus of 18-35 firm bristles, with 
a few are cate d short setae; achenes 2-nerved. 
Rocky places at high elevations in the mountains, Arctic-Alpine Zone; Sierra Nevada from ome Rose, 
Nevada, to Mount. Whitney, California. Type locality: Mono Pass, Mono County, California. July—Aug 
ad 
25. Erigeron uncialis Blake. Cliff Daisy. Fig. 5606. 
Erigeron uncialis Blake, Proc. Biol. Soc. Wash. 47: 173. 1934. 
Perennial with a taproot and branching caudex; stem 1-5 cm. high, naked, hirsute or villous 
under the head, with spreading faite: ee all heal, ag se or hirsute- strigose 
with loose or aneens ed hairs, sometimes slabrate on one or both surfaces, up to abo m. lon 
and 8 mm. wide, the blade subrotund to broadly oblanceolate, codes to pe ute at the apex, epee 
—— contracted ig and usually much shorter than the petiole; head solitary, the disk 11 mm. 
“ae 
; involuc mm. long, finely and sometimes obscurely glandu lar, and more or less vil- 
ous fds ance a toward the base ; phyllaries Gate or Sor pe ‘clightly imbricate, thin, 
green or with green midrib, the margins often purplish; rays 15-40, r light rose, 4-6 mm. 
long, 0.7-1.4 mm. wide ; disk-corollas 2.7-3.4 mm. long ; style- grasa tones! acutish, 0.15—-0.2 mm. 
long; pappus o of 1 13-22 firm bri stles, with some inconspicuous short setae; achenes 2-nerv d. 
onion ig lower Boreal Zone; mountains o f San oy nardino and Inyo Counties, California. Type locality : 
Clark Mountain, eastern San unty. June— 
The var. ‘conjugans Blake. with the hairs of the etales and lower part of the stem mostly appressed or 
ascending, occurs in Clark and Nye Counties, Nevada. 
