SUNFLOWER FAMILY 313 
+ ee 
Stems and involucres more or less ndular 
Stems poe involucres more or + Silos wells: serbian see Pe cm, tall page gerne caries. in subsp. ander- 
it). at el 
Stem nd glabrous; plants 30-70 cm. tall. ae A.e 
Stems aivotsbede more or oan i -scaberulous ee pirate 
LeucosyRis. 
Plant essentially herbaceous, not glaucous, often with spines in or above the leaf- ge th = radiate, white; 
achenes glabrous. 36. spin 
Plant shctsbiey. glaucous, not spiny; heads discoid, yellowish; achenes pubescent. % 
37, A. intricatus. 
VI. OrtTHoMERIs. 
Pappus simple; leaves grass-like; a single species. 38. A. pauciflorus, 
VII. Oxyrripotium, 
Syprte glabrous; leaves —* or lance-linear, usually entire; heads numerous, panicled; rays pink, little- 
serted; a single specie 39. A. exilis. 
VIII. Conyzopsis. 
Phyllaries mostly oblanceolate or spatulate, obtuse; rays about 2 mm. long. 40. A. frondosus. 
Phyllaries linear, acute; rays wanting or vestigial. 41. A, brachyactis. 
1. Aster conspicuus — spires Aster. Fig. 5526. 
Aster pre er Lindl. in Hook. Fl. Bor. Amer. 2: 7. 
Aster macdougali Coult. & Fisher, Bot. Gaz. 18: 301. ioe 
anise k elongate, woody, stoloniferous; stems usually solitary, stout, simple below the in- 
florescence, usually 30-60 cm. high, leafy, densely glandular, pee ya Si n the at ea sparsely 
hi bov. 
pilose or hirsute. Leaves ie ores o oval or obovate- he | r 8-17 ng, 2. 
wide, acute, sessile and usually clasping, sharply bois except tow base, y firm, veiny, 
scabro yates ; heads f r numero mids in a usually rounded cy 
or cymose panicle; involucre broadly campanulate, ica parted e, about 6-seriate, 7-10 mm. 
high, the places Fistor ohlee to lance- = chien g or oblong, iceaaly. "grandular, strongly ciliate, 
with vole, in ot , l-ribbed base and usually s Cou often spreading, acute to acuminate, her- 
feos tip ey shoe sometimes entirely herbaceous; rays about 20-30, violet, 1-1.5 cm 
lo ae ae ieaced pubesce 
Forests and open woods, Arid ee, and Canadian Zones; British Columbia south through eastern Wash- 
ington to northeastern Oregon om east to nag pectin Wyoming, eat South Dakota. Type locality: “Carlton 
o the Rocky Mountains.” July—Sep 
2. Aster integrifélius Nutt. Entire-leaved Aster. Fig. 5527. 
Aster integrifolius Nutt. Trans. Amer. Phil. Soc. II. 7: ap 1840. 
Aster amplexifolius Rydb. Mem. N.Y. Bot. Gard: 1: 391. 1900. 
Stems several, stout, ascending from sake woody, fibrous-rooted rootstock, 2-7 d igh, 
often sat PN from densely erieede pilube to nearly glabrous below, d ensely ‘tipitate- glandular 
illous above. Lowest Neaves obovate to spsacric pasa ine blade a nate at 
i 5-18 cm. lo i 
each end, narro ; ed, v ge eu 
tially glabrous to short-pi ; lower stem-le bovate o gp cote "teste pity strongly 
clasping, the middle and fanae raid much smaller, elliptic “8 lance-linear ; heads few to several, 
5526. Aster conspicuus 5527. Aster intergrifolius 
