346 COMPOSITAE 
Plants har alige Ara age scapose; leaves not triple- fro ibis Rese Moun- 
, California, and eastward. 49, E. compact 
Basal pny Mees sae roadi y oblanceolate or jae broader, ‘the blade 
defined, usually aah or less cheugits contracted to the pet 
Mca sree a ; involucral bracts subequal, finely glandular, a ‘hairy; Sis- 
kiyou Mountains re aetineestern California am Sg pen Fe Orego 
Leaves strigose, sometimes seein! so; involucral mes iaitanie imbricate, 
Lang Guieading: -hairy as well as Asset as ie — and south- 
rn Cascade Mountains pie att 
II. Wrom 
Achenes mostly 4-nerved, rarely 6-nerved; basal leaves often — hg flowering time, not forming a conspicuous 
persistent tuft; San Bernardino County, California, and e: 
Outer ar of evident narrow scales; stem silvery sine eed i. San a ge een re- 
50. E. par 
Outer pappus = inconspicuous setae; stem merely gray-green except near the ie Providence, Mountains 
and e ard. . E. utahenst. 
iinet mostly e ins. nerved; basal leaves tufted and persistent, the cauline ones reduce: Inyo aa. Cali- 
ornia, and eastward. . BE. argentatus. 
III. PycnorpHyL_uM 
Heads risen radiate 
Root-crown nce subterranean, giving rise ender rhizomatous stems rarely more than 1.5 mm. thic 
ie’ hich become aerial stems; — pe By ir aaeihee, usually with solitary or few heads; Poca "gener- 
ally branched into equal parts n sone ground-level; pubescence of the stem except in one reduced and 
slender variety spreading or retr 
Stem finely glandular, as well as sissois with relatively long spreading hairs; ay County, California. 
. E. aequifolius. 
Stem not glandular, though the hair: a little viscid; pubescence of a praei relatively short or 
wanting; Shasta County to Biverade pal California, and eastward. 
Root-crown superficial or nearly so; base of stem, if rhiz —— either very short or soltioals a. or both; 
plants variously geey or stout, with go to generally several or many heads; stem except in var. 
confinis generally not branching near the ground- Nk g oe pad potter pubescence of the stem varying 
from apres to sirigdee Age spreading-hirtellous or even spreading- -hirsute ; rag a Oren o Lower 
Californ E. foliosus. 
Heads 7 the Pie s all tubular and perfec 
Stem and besa aiaicseaials she ese or spreading-villosulous, occasionally rather sparsely 6 
gine +30 eaves generally 2-4 cm. long; outer pappus obscure or wan nting; Klamath re gion of siaaleck Cali- 
fornia t Oregon and in the Coast Ranges of California. "'s. E., petrophilus. 
Larger leaves generally 1-2 cm. long; outer pappus evident; Sierra Nevada el te ee Pass. 
miser 
Middle and upper part of stem not spreading-villous, varying from glabrous to glandular ond sometimes 
asc oer Sp ndiygine or he ree d-hairy ; leaves not | ‘spreading-villous, though sometimes otherwise 
38. E. inornatus 
V. PHALACROLOMA 
Foliage ample; plants mostly 6-15 dm. tall; pubescence of the stem long and spreading. eae 
Foliage sparse; plants mostly 3-7 dm. tall; pubescence various. 60. E. Canoe: 
V. TRrimMORPHAEA 
Rayless pistillate flowers wanting; inflorescence racemiform, the peduncles erect or money so or the head solitary. 
. E. lonchophyllus. 
Rayless pistillate flowers present between the ra fe - disk-flowers; inflorescence ase. the peduncles 
arcuate or obliquely ascending or the heat soli 62. E. acris. 
1. Erigeron peregrinus (Pursh) Greene. Wandering Daisy. Fig. 5582. 
Aster peregrinus Pursh, Fl. Amer. Sept. 2: 556. 1814. 
Erigeron peregrinus Greene, Pittonia 3: 166. 1897 
Fibrous- mee perennial from a short rhizome or short stout caudex, up to 7 dm. tall, amply 
leafy or in salt f orms subscapose. Basal and lower cauline leaves well developed, with linear- 
eolate to broadly oblanceolate or spatulate blade tapering to the petiole, the other rs rae 
tly sessile and often slightly clasping; heads solitary or few, the di sie 10-25 mm. wi vo- 
lucre oN mm. Byles the phyllaries yl attenuate, loose, mostly rather herbaceous <n : shpat 
wide ; rays white to purple, 25 mm. long, 2-4 mm. wide ; disk-corollas 
mostly 4-6 mm. Py ong; style- popendanes acute, 0.2-0.4 mm. long; pappus of 20-30 brist stles, occa- 
sionally with a few short and inconspicuous, outer setae; achenes asymmetrically 4-7 -nerved, 
most commonly 5-n nerved. == 9, 
‘ age, meadows, or bogs at moderate to high elevations in the mountains, Canadian and Hudso 
ian Zones; mountains of Ca California ( at Nevada), Utah, and northern New Mexico north to about 56° in the 
Canadian Rockies and e: along the Canadian and Alaskan coast through the Aleutian Islands to the Com- 
mander Islands. Type ess > aadaaiie, (June) July—Aug. 
nomenclaturally typical phase does not occur in our range. The foregoing description is drawn to cover 
all forms of the species. 
Key To SuBSPECIES AND icasewise 
Phyllaries villous on the back or sometimes merely ciliate on the margins and glutinous on the back, not at all 
glandular; rays commonly rather pale or even white: herbage meee soft-pubescent, the stem usually gros 
villous, the peduncular hairs rather loose; leaves often penal coastal and Cascade Mountains from 
tral Washington northward, not i to the interior ra subsp. n peregrin TInUs. 
é 
