318 COMPOSITAE 
11. Aster paludicola Piper. Western Bog Aster. Fig. 5536, 
Aster paludicola Piper, Contr. U.S. Nat. Herb. 16: 210. 1913 
Stem very slender, 1.5-8 dm. high or less, from slender rootstocks, usually pubescent in lines, 
with few or many branches ere. Leaves narrowly linear, 3-15 cm. long, 2-6 mm. wide, sessile, 
subelasping sane rpuern -ma ites more abundant at base of stems, reduced above; heads few 
h 
many, a avide. mose, solitary at tips of branches and divaricate branchlets 
evens bear appressed, Tanceolate feats bracts ; involucre about 5~7 mm. high, definitely graduate, 
the phyllaries erect, , acute o r acuminate or the outer sometimes ig) ee oblong and obtusish, 
the base whitish, the chin green tae lanceolate or pisabet ia lanceolate and usually fi Ss ea 
and -tipped; rays about 22-38, white, sic se a violet, or purple, about 8 mm. long; achenes 
bedi or pubescen 
Bogs, Can Sis u Mountains of satel Oregon and northern California. Type locality: 
Eight Dollar otis Tialptine jel Oregon. July—Se 
12. Aster foliaceus Lindl. ex DC. Leafy Aster. Fig. 5537. 
Aster foliaceus Lindl. ex. DC. Prod. §: 228. 1836. 
Plants 20-50 dm. tall from a creeping épaay pac the stems (in ours) goon ng aig below. 
Lower 6s aves Samak te, 12-20 cm. long, 16-24 mm. wide, narrowed to a peti olar bas argins 
caure, ciliate-appressed, the stem- leaves sessile and conspicuously claspilte ¢ ; inflore soni -itieetty 
nocephalous, so as s subcym aring 4-6 heads, these up to 3.5 cm. wide, usually pubes- 
—s below the involucre ; iva | ection 9-12 mm hah: the a and inner subeq ual, additional 
foliaceous large bracts sometimes present, glabrous on the back, ciliate-margined, the outer en- 
larged and Pa nah oblong, obtuse, or broadly acute at the apex; rays 10-17 mm. i purple; 
enc’ glabrous or sparsely pubescent 
Damp places, Boreal Zone; Alaska ‘iciieaite British Columbia and Alberta Pegs: to the Olympic and Cascade 
Mountains, foliaceus: im the I to Montana. Type ag A Unalaska. July—Se 
large sense breaks up i many recognizable related entities although at points of 
contact these forms intergrade freely. In addition to ate extreme variability within the group itself, py veg 
——e "3 pr esis ony ios A, nddakcatias and also with A. occidentalis. A ca to the varieties of 4. folt sis 
below based upon that of Arthur Cronquist (Amer. Mid]. Nat. 29: 429-468. 1943). 
Outer esac tane de ee broadly lanceolate to ovate, obtuse, or broadly ac 
nd onocephalo the was times bearing as many as 6 heads); Olympic and ‘thas Mountains of 
Weal Be: aor ioward var. foltaceus. 
Stems with sm heads in a cymose inflorescence. 
Stem-leaves Paya. Fei Lac dame plants of stream banks and meadows with the lower stem-leaves 
usually pers 
Phyllaries bal a om igad and acute or acuminate, the foliaceous ones if present linear or oer or 
yall 
long-po1 var. 
ee broader = ish more blunt, foliaceous ones if present mostly —,. “ oon to 
t iT} 
Stem- ive: ce Conapbedidaty late-clasping; plants of drier habitats with the tier ove “src 
mostly deciduous. var. canbyi. 
eT 
ar or narrowly lanceolate, markedly ac 
Oute 
Plants 1. 5-2. 5 dm. tall, often samen 9 (sometimes bearing 4—6 heads) ; in Caine habitats. 
var. apricus. 
Plants usually over 5 dm. tall; heads few to several in r le; not in alpine habitats 
ar. parryi. 
Aster foliaceus var. lyallii (A. Gray) Cronquist, Amer. Midl. Nat. 29: ip saatckes var. 
lyalliti_ A. Gray, Syn. Fl. N. Amer. 12: 195, 1884; A. hendersonii RacieP Bull, geet “Club, re 27%. tees 
A. eriocaulis Rydb. op. cit. 37: 14 Hee | kootenayi Nels br. Bot. Gaz. 56: 4 Much re- 
sembl v. cusickit but differing principally by the characters indicated in the key Subehdee mountains of 
eastern ho on nd, less commonly, adjacent British Columbia, Washi northeastern Oregon. 
ype ity € ootenai and Pend Oreille Lake, Idaho, Collected by Lya 
i “gi . 3 a | 
A. Gray, Proc. Amer. Acad. 16: 99. 1880.) Plants 6-10 dm. high; leaves rather thin, the lower leaves not oad 
edly exceeding the broadly clasping stem-leaves in length; outer Sho tiaries green and foliaceous. Southern British 
Columbia mostly east of the Cascade Mountains, ane southeastern Pg osc nal ay northeastern Oregon east to 
Montana. Type locality: small subalpine streams in the ntains 0 fe mn County, Ore 
hates foliaceus var. canbyi A, Gray, Syn. Fi. N. hee. 19: 193; 884, bast Ee fo Wace var. burkei A. Gray, 
loc. cit.; A. majusculus Greene, Fupeie. 4 : 215. 10005 A. tweedy i ie Bull. f pinot Cub 31: 655. 1904; 
<4. phyllodes Rydb. op. cit. 37: eee 910.) yee ut 5 dm. high; leaves rather thick, the lower not t much enlarged, 
and usually deciduous; the outer phy ilart ies much enlar ead poe usually obtuse. Usu ally growing W drier habitats 
than the last, eastern Sais and Oregon east to , pice and south to New Musing. Type locality: Whit 
River, Colorado. Collected by 
A pag eo var. oe A. Gray, loc. cit. (Aster apricus Rydb. Mem. N.Y. = a. 1: sigh 1900; 
A. incer 37: 20. ada a A 5 dm. or less high, cespitose, pubescent above, rootstoc ks 
Seanchedle head. “tending to be sol metimes subcymose. Alpine situations, southern eoBritish 
Columbia to nor’ alifornia ast ‘t ia st pone Co lorado. ‘heed locality: Union Pass, Color. 
é oh Eaton) A. Gray, Syn, F Amer. 17: 193. 1884. es SPE s 
var. parryi D, C. Eaton, Bot. ing Exai. 139, a7}; 4. Samplisimus Greene, Proc. Acad. Phila. 1895: 550. 1896; 
A. frondeus Greene, op. ci ye 1 egg ius G Pittonia 4: Spa A. ciliomarginatus Rydb. Mem: 
N.Y. Bot. Gard, 1: 392. i500, A, diabolicus Pipe: Bull. ‘Torrey Chub 28 645. 1902; A. vaccinus Piper, op. cit. 
pica ndivagear about 5 dm. high with ese usually persistent, lower leave and few stem- leaves; inflorescence 
ymbose, of few to several heads. In damp places, northern Wa: shington ‘aig pygmmonl ae to northern Cali- 
fornia and the central Sierra Nevada and east i 0 Colorado and New Mex: m. Type locality: 
ocky Mountains of Colorado. Collect ed by Parr 
13. Aster subspicatus Nees. Douglas’ Aster. Fig. 5538. 
aw subspicatus Nees, Gen. & a Aster. 74. 
1832. 
er douglasti Lindl. in Hook. Fl. Bor. Amer. 2: 11. 1834. 
a Sm oregonum Nutt. este. Amer. Phil Soc. IT. 7: 296. 1840. Not A. oreganus of authors. 
