358 COMPOSITAE 
aos gripe more glandular than hairy. Basal ivi linear-oblanceolate to spatulate, up to 8 cm. long 
m. wide, the cauline ones generally more or less reduced ; heads hemispheric, mostly soli- 
tary, reg ‘i sk 9-20 mm. wide; involucre 3-9 m mm. high, the phyllaries equal or nearly so, green, 
maar with el prion midrib ssc narrow scarious margins; rays 15-45, pink or purple to 
deep violet, 5-14 mm. long, 1.3-3.6 mm. wide; disk-corollas (3.5)4-5.5(6.5) mm. long; inner 
us of 20-30 bristles ps 2- sea very "densely long-silky, the hairs sometimes obscuring 
ig aereas outer pappu 
Dry places in i plains ~ foothills, often among sagebrush, Arid Transition Zone; Washington from the 
Cascade Mountains eastward, ending into ma ete Idaho and southernmost British Columbia, weg soutawark 
to northern Harney Cuaaty, Giese, Type locality: Umatilla, Umatilla County, Oregon. pril-Jun 
Erigeron poliospermus var. céreus Cronquist, Brittonia 6: 194. 1947. Herbage and involucre an nsely glan 
dular and only sparsely or moderately hairy; plants often branched and several-headed and then with fairly well 
developed cauline leaves. Kittitas cay and adjacent parts of Grant and Chelan Counties, Washington. Typ 
locality: Rock Island, Kittitas County 
28. Erigeron disparipilus Cronquist. Snake River Daisy. Fig. 5609. 
Erigeron disparipilus aca Brittonia 6: 194. 1947. 
nnial with a t and short branched caudex; stems 3-12 cm. high, with spreading, 
Per proo 
very ccasal hairs. Co at allina ~ cluster, finely hirsute, tineat or linear-oblanceolate, 
Pp 1 igh, spreading-hirsute and 
t head solitary, the inv m 
often glandular; phyllaries subequal or slightl bricate, acuminate, green, with o a 
arke drib etime narrow scar < s rays 3 100), white, or piokich 
in age, 5-10 a 2 ne .5-2.3 mm. wide; disk-corollas 3.5-4.3 mm. lo ong, coarser and less indu- 
rate than in E. pumilus; pappus of 15-28 capillary bristles and some inconspicuous outer Pee 
achenes 2- nerved father ensely pa hai 
s in the foothills and at moderate elevations in the ntains, Arid Transition Zone; extreme 
la 
Sethe. een | Wartoctas and iene dh <3 or sor Idaho Hapa waa in be vicinity = the _ River to Owyhee 
County. Type locality: 14 miles west of Clarkston, Asotin County, Washington. May—Jul 
29. Erigeron pumilus Nutt. subsp. intermédius Cronquist. Hairy Daisy. 
Fig. 561 
Erigeron hispidissimus Piper, Contr. U.S. Nat. Herb. 11: 565. 1906. 
Erigeron pumilus subsp. in dermgilias Cronquist, ais ia 6: 180. 1947, 
Perennial (sometimes short-lived) with a  eatorn at 2 yes or branched caudex; stems c 
tered, mostly 2-5 dm. tall, vey opus, only e than 1.5 mm. thic at the base poe 
aring 5 to many heads; herbage Sronsty” spreading hineute Sa sometimes a little Senge. 
Leaves oblanceolate, oe to 8 cm. cit an mm. wide, cauline as well as basal; heads mostly 
seni ic, the disk mostly 7-15 mm. sigan involucre 4-7 mm. high, spreading-hairy aot very 
row, a n, wi 
rib cad sometimes very tied scario gins; rays mostly 50-100, blue, pink, or white, 6-15 
mm. long, mostly 0.7-1.5 mm. wide; diel: a 3.5-5 mm. long, slender, the limb pale and 
indurated below, the indurated portion. often finely oshesuleans pappus of 13-20 ee pit 
some sho y or 
vi og —, = the foothills, valleys, and plains, often among sagebrush, Arid Transition canes east of the 
Cascade Mountains fro: ashington to northwestern Montana, southward to northern Orego: an: 2 te ore com- 
monly to 2 pn ‘California and adjacent Nevada. Type locality : near Lewiston, Idaho. ies — 
rigeron pumilus subsp. intermedius var. gracilior Cronquist, Brittonia 6: 180. gal A tg oa smaller and 
more slender than in typical subsp. intermedius, 0.5—-3 dm. tall, the larger stems seldom hick at 
the base and rarely with as many as 5 heads. Central and southern Idaho and adjacent anise ie: en atria and 
vost ek ag northeastern California, and adjacent Nevada. Type locality: United States Sheep Farm, 
unty, I 
Erigeron pumilus subsp. concinnoides oi bongs eg eos G: 181, 1947. mS ea concinna Hook. & Arn. 
Bot. taro, > 350. 1838; Erigeron concinnus Torr. & Gray, Fl. N. ened 7 Prag E. concinnus var. 
eremicus Jepson, Man. Fl.. Pl. Calif. 1057. 192 5.) Routes imilar to " gra n habit or a get bene 
sebost: rays nearly always colored; indurated , tata of the disk sneer pest hard ubeeuiaut: inner pu 
of 7-12(15) — bristles. the outer of a neeerety broad ware Dry n (but nga desert) hrs 
in the foothills and at moderate elevation he mountains; sou wth n California in Inyo and San Bernardino 
Counties; also peer fas € Idaho and wenea cisteline pear to Bearers New Mucies Fae southern Neves a. Type 
locality : Kyle Canyon, Charleston Mountains, Clark County, Nevada. 
30. Erigeron engelmannii A. Nels. var. davisii Cronquist. Engelmann’s Daisy. 
i it: 
Fig. 
Erigeron en =" davisit Cronquist, Leaflets tating Bot 167. 
Erigeron engelmanni var. davisii Cronquist, Vasc. Pl. Pac ee ee sie ies: 
Erec Sih ee with a taproot rite shortly aca caudex, 10-30 cm. tall, ay sonarrel 
Basal leaves Gient-ohlangtalie up t cm. long and 4 mm. wide, with some coarse, ing. 
marginal hairs toward the base; Sealine leaves linear and reduced; heads solitary or ie ot gv 
rm peduncles ; involucre (5)6-8 igh, spreading-hairy and usually finely glandular, the 
phyllaries subequal, narrow, alg usual y with bro rib and pale margins an 
corollas 3.3-4.5 mm. long; ra s 35-55, mostly white, 8-14 mm. long, 4, 1-2: 2' mi oe Meeeh pappus 
yt De goad bristles stg sid inconspicuous outer setae or narrow scales ; ecicnes -nerved, 
iry. 
Spa meadows, and open hillsides in the foothills and at moderate elevations in the mountains, Arid Tra 
sition wis bad western Idaho Nags a Idaho, aod =o Erect Bit cone Type | ocality : Whitebird 
peony gern Comets Idaho. mg) 7 eegee cal E. engelmannit i ll parts and occurs in Wyoming, 
Colorado, Utah, and southeast 
