Carduaccae 303 



rays narrow, acute, deep yellow, i-ij inches 

 long. 



In moist grounds and on river banks 

 throughout the Rockies at the lower alti- 

 tudes; flowering during July. 



Rough-hairy, stems simple or 

 Gaillardia . 



aristata httle branched, 1-3 feet high. 



Pursh. Leaves firm, densely and finely 



Great- hairy, the lower basal ones peti- 



flowered ole( ^ o blong or spatulate, lacini- 



Gaillardia. . 



ate-pmnatmd or entire, mostly 



obtuse, 2-5 inches long; upper leaves sessile, 

 lanceolate or oblong, entire or dentate, rare- 

 ly pinnatifid. Heads 1^4 inches broad, 

 long peduncled; bracts of the involucre, 

 spreading, lanceolate, acuminate, rough- 

 hairy, rays 10-18, bright yellow, wedge- 

 shaped, deeply 3-lobed; disc reddish-purple. 



One of the most showy of the midsummer 

 plants, in the lower valleys of the Rockies, 

 in dry ground and on slopes, -especially in 

 the Bow Valley at Banff and in the open 

 country around Golden. 



