SUNFLOWER FAMILY 315 
Open rocky slopes, reaching 3,000 meters elevation, Hudsonian and Arctic-Alpine Zones; South Dakota _and 
Wyoming to eee A and British Columbia; known in our range from the northern Cascade Mountains in hg 
ington, and the Wallowa Mountains, eastern Oregon. Type locality: Yellowstone National Park. July—Aug 
6. Aster campéstris Nutt. Western Meadow Aster. Fig. 5531. 
Aster campestris Nutt. Trans. Amer. Phil. Soc. II. 7: 293. 1840. 
Stems usually several, ascending from slender s ioe ls rootstocks, 1-5 dm. high, slender, 
simple or much branched, pet insets stipitate-glandular at least above and usually more or 
feed strigilose, often _Blabr elow. m-leaves rl ice, i to li spatulate, 
2-5 em. long, 2.6-8 m ae obtuse to acuminate, sessile and often ptt eping, entire, firm 
pale ree  ciahinste wind glabrous to hispidulous, 1-nerv popu sd a pair of weak lateral 
veins ; branch-leaves much reduced, linear; heads 1 to ma ide. a "4 usu: ay narrow 
cyme or panicle ; involucre about sap dcie subequal o r slightly grad die 5 m. high, the phyl- 
laries linear to lane eae acute or acuminate, appressed or slightly Sertaticle, | Bendel Bcd ded 
with whitish base a orter or ‘longer pkey ous tip, the outer often herbaceous throughout ; 
ky. 
nd s 
rays about 20-30, violet or hp idl 5-8 m ; achenes sil 
Meadows and dry open slopes, often in si soil, Aad Transition Zone; Montana and Wyoming to 
paar a Columbia and eastern Washington and Oregon. Type locality: ‘‘along the plains of Lewis’ River.” 
Aster campestris var. blodmeri A. Gray, Syn. Fl. N. Amer. 12: 178. 1884. (A. bloomert A. Gray, Proc. 
Amer. Acad. 6: 539, 1865; A. nanneria ery eh: bebe al coos U.S. Nat. Herb. 11: 572. 1906; nats gp og 
Peck, Proc. Biol. Soc. Wash. igh o less; stem glandular least above 
involucres glandular ras in the rete ay Tae readin MBs spreading- ivsuan: This nether poo cane defined 
variety ‘icuianan A. campestris var. pd trenton oan Klickitat adios Washington, southward ype of ce Cascade 
Mountains) cha the eastern side of the Sierra Nevada and ott Be hess in the region of Lake Tahoe. Inter- 
grading for are to be found particularly in the northern par its range. Type locality: “thigh slopes of 
Mount Khaciddens, near Virginia City, Nev: ea 
er modestus 5530. Aster sibiricus 
5531. Aster campestris 
5528. Ast 
5529. Aster radulinua 
