316 COMPOSITAE 
7. Aster laevis var. geyeri A. Gray. Geyer’s Aster. Fig. 5532. 
Aster laevis var. geyert A. Gray, Syn. Fl. N. Amer. 12: 183. 1884. 
Aster brevibracteatus Rydb. Mem. N.Y. Bot. Gard. 1: 392. 1900. 
Aster geyeri Howell, Fl W. Amer. 1: 308. 1900 
Aster pickettiana Suksd. Werdenda 1: 42, 1927. 
2 
Stems erect from ; stoloniferous rootstock, 0.3-1 m. high, simple or branched, glabrous and 
glaucescent throm ughout or the peduncles and branchlets very rarely (also the st ) pubesc n 
em) pubescent i 
lines leaves us scale doa ate, obtus se, Bersuanssg deciduous; lower stem-leaves oblanceolate to 
obovate, m. g, 1 e, et nar oa gined, clasping, petioliform 
se, entire or serrate, thick, pale green, sss rgined; middle stem-leaves linear-lanceolate t 
ovate or lanceolate, inekg and cordate-clasping, the upper reduced, mostly lanceolate, entire, those 
of the branchlets eaey educed, usu ually subulate and somewhat clasping; heads few to many, 
1.3-2.5 cm sy ag mple corymbiform panicle; involucre about 5-seriate, strongly 
graduate “oy mm. aoe ee phyilaries ar erect, with white, indurate, l-nerved base and shorterx, 
rhombic o r lance-rhombic, her ous tip, cilio late; rays about 2 , blue oy ie about 7-10 
mm. long; ae renes 4—5-nerved, pen © tally glabrous, the Pais usually reddis 
ually in moist soil, Arid Transition Zone; South Dakota to Colorado, eastern Washington, and Alberta. 
EA Be Socnhiy: “Valleys of the Northern Rocky Mountains to Idaho, south to Wyoming, &c.’’ Collected by Geyer. 
une— 
vpistineuished from the more eastern A. laevis L. only by the narrower and longer herbaceous tips of the 
phyllaries 
8. Aster greatai Parish. Greata’s Aster. Fig, 5533. 
Aster greatai Parish, Bull. S. Calif. Acad. 1: 15. fg. 2. 1902. 
Stems 5-10 dm. high from a creeping rootstock, leafy, sparsely coarse- 7 sat alee gla- 
brous ho" reddish below. Leaves longer than the internodes, the lower elliptic, na 
petiolar base, deciduous at flowering time, the stem-leaves sessile, clasping to suba ulate. et ally 
subtending a small leafy bract, es ng- bores to din’ rough above, hispidulous-pilosulose 
— — — ae somewhat e above; usually bearing numerous heads 2-2. 
wide n bra oe a 
ao phy aries. Shiefly peas witht ually tees rhombic, uminate, sometimes loose, 
green tip, ciliolate, sometimes Hebidilous on back; rays 25-40, Tight he 5-10 mm. long; gor cit 
ubesc 
stk maces canyons, Upper Sonoran and Transition Zones; the San Gabriel Mountains, Los Angeles = 
San Bernardino Counties, southern California. Type locality: Eaton Canyon, San Gabriel cea eee California 
June—Oct 
9. Aster jéssicae Piper. Pullman Aster. Fig. 5534. 
Aster jessicae Piper, Erythea 6: aes 
Aster latahensis Henderson, Contr. U.S. Nat. nace §: 201. 1899. 
Aster mollis Rydb. Bull. Torrey on 28: 22. 190 
Stems erect from a stoloniferous rootstock, 0.6-1.5 m. high, densely cinereous-pilose with 
spreading to loosely ascending hairs, the numerous erect anlaan floriferous toward apex. Leaves 
aang ~ elliptic 0 r the upper oblong, 5-15 cm. long, 1.5-3 cm. wide, acuminate or acute, the 
ower winged clasping base, the others sessile and clasping by slightly or not 
iatilenieke pee entire of crenulate, often wavy-margined, firm, roughish-pubescent, or the hairs 
1.5-2.5¢ 
beneath soft; hea m. wide, c — tar tips of branches and hier , usually short- 
peduncled or subsessile ; involc cre sometim r 2 equal o tiger eafy ‘bracts at bases 
sei fig iate, 6-10 mm. high, subequal ae ie io tly ‘graduate, we area linear to line 
or somewhat uehcedite. densely pilosulose, with whitish 1-ribbed base and usually shorter, 
erect, hi "i hacen tip, @ sf the outer wholly herbaceous ; rays about 20-28, violet or purple, 8-10 m 
ong ; achenes pubesc 
River sig Arid Eiger Zone; southeastern Washington and adjacent Idaho. Type locality: Pullman, 
Washington. .-Sept 
10. Aster peepentee A. Gray. Marsh Aster. Fig. 5535. 
Aster Sarasa: of ag Not DC. 1836. 
Aster hesperi namie ae Fe 17: 192. 1884. 
Aster ensatut pote: hice 4: 
Aster foliaceus var. leit tlie. eins Fl. Pl. Calif. 1047. 1925. 
Stem 1-2 m. high with numerous ascending branches, pubescent in a above, very leafy. 
Leaves lance-linear, rathe? thick with midvein i below, 6-13 cm g, 3-15 mm. wide, 
attenuate, clasping, entire or the lower leaves serrate, chart ae ak ned; he ads Sait 2 cm. wide, 
eee very numerous, in rather narrow or spreading panicles ; involucre distinctly graduate 
m: 
m. high, sometimes subtended by a few hispid-ciliate, chiefly herbaceous, linear cts; the 
phyllaries linear, acuminate, ciliolate, — or loose, the hyaline margin of the inner phyllaries 
ssieidite to the tip or nearly so; rays about 25, white or purple, about 8 mm. long. 
Marshy meadows and along streams and i n ditches rt Son nd Transition Zones; Alberta 
and North Dakota south to Texas and cn to a hg og Hh of the be til poate ee from Mono County 
south and throughout southern California. Type locality: not definitely stated. Aug.—Oct. 
