296 COMPOSITE GKINDELIA. 



CHKY80PS1S 



winged petiole of its own length, heads large, the invulucral bracts 

 equarrose and very glutinous, achenes neither angled nor striate, the ter- 

 minal border low and entire ; awns of the pappus 2 or 3, flattened and cor- 

 neous, barbel late along the edges. Dry rocky banks of Lummi Island 

 southern shore of the tiulf of Georgia Henderson. 



G. Oregana Gray Syn ii. 1, Pt. 11, 118. Stems rather stout and tall, 

 branched above, leaves thickish not rigid, sparsely denticulate or entire, 

 mostly obtuse, oblong, spatulate or ligulate, or the upper lanceolate, the 

 larger 4 inches long by an inch wide, whole herbage glabrous: heads 

 large, bracts of the involucre with erect or spreading slender linear-sub- 

 ulate tips; achenes squarely truncate and even at the summit, not bor- 

 dered nor toothed, minutely striate; awns ot the pappus 1-3. In dry 

 soil, Oregon to Idaho 



G. naua Nutt. Trans. Am. Phil. Sac. viii, 314 >tems rather slender, 

 6-30 inches high, the larger plants corymbosely and fully branched above, 

 herbage wholly glabrous: leaves thinnish, lanceolate to linear or the 

 lower spatulate, entire or spinulose serrate -heads 5-6 lines high: bracts 

 of the involucre with slender and squarrose soon revolute tips; achenes 

 narrow, exciselv truncate or bident ate, at summit: awns of the pappus 

 mostly 2. On dry hillsides. Washington to California. 



G discoidea Nutt. 1. c. 315 Whole herbage glabrous stems slender, 

 several from the same root, fastigiately branched, leaves oblong-linear, 

 tapering to the base, sessile, somewhat spinulose serrulate above : heads 

 5-7 lines high almost globose: rcaies of the involucre with short subulate 

 squarrose recurved tips: rays none, achenes auriculate bordered at the 

 summit; pappus of 2 bristles. On dry banks of the Columbia river 

 east of the ( ascades. 



4 CHRYSOPSIS Elliot Sk. 11 333. 



Mostly perennial herbs with oblong or linear usually entire 

 sessile leaves and middle-sized heads of yellow flowers terminat- 

 ing the stem and branches. Heads many-flowered, radiate. 

 Scales of the involucre linear imbricated: receptacle somewhat 

 alveolate, flat. Corolla of the ray flowers ligulate, pistillate, in a 

 single series disk corollas tubular, 5-toothed, perfect : Style 

 branches mostly terminated by linear or linear-subulate his- 

 pid tips, often longer than the flat stigmatic portion. 

 Achenes obovate or linear-oblong, compressed. Pappus of the 

 disk and ray similar; double, the outer short squamellate-setose 

 or somewhat chaffy, the inner of numerous scabrous capillary 

 bristles. 



C. villosa Nutt Hook Fl. ii 22. Stems 1-2 feet high, villous-pubescent 

 and sparsely hirsute, erect, simple or corymbosely branched, very leafy: 

 leaves one inch or more long, 1 nerved slightly veiny, canescently stri- 

 gose on both sides, mucronate, entire or rarely with a few sharp scattered 

 teeth, hispidly ciliate toward the base, the upper linear-oblong, the lower 

 oblong-spatulate : heads solitary or somewhat corymbose at the ends of 

 the branches, on short peduncles: scales of the roadly oampanulate invol- 

 ucre linear-subulate, strigosely pubescent; achenes obovate, villous; exter- 

 ior pappus setose squainellate. Dry plains and river bars, Oregon to 

 111. arid the Saskatchewan. 



C. hirsuta Greene, Pitt. iii. 293. "Low, slender, the tufte I and 

 leafy steins only 6 or S inches high, very leafy and the leaves a^e^ti ling 



