134 NORTH AMERICAN FLORA [Volume 34 



serrate with callous- tipped teeth, 3-6 cm. long, densely rough-puberulent on both sides; 

 peduncles 3-6 cm. long; bracts lanceolate or the outer ovate, grayish-strigose ; fimbrillae 

 short and soft; ray-flowers neutral, yellow; ligules about 12 mm. long, cuneate-flabelliform, 

 3-cleft one third their length; disk yellow; corollas 6-7 mm. long; tube less than 1 mm. long; 

 throat cylindro-campanulate, puberulent ; lobes subulate from a broad base, glandular-puberu- 

 lent; achenes 2 mm. long, comparatively short-hirsute; squamellae linear-lanceolate, attenuate, 

 with the awn equaling the corolla. 



Type locality: Maiden, Missouri. 



Distribution: Missouri. 



Illustration: Britt. & Brown, 111. Fl. ed. 2./. 4545. 



4. Gaillardia chrysantha Small, Fl. SE. U. S. 1293. 1903. 



? Gaillardia lanceolata flavovirens C. Mohr, Contr. U. S. Nat. Herb. 6: 812. 1901. 



A caulescent annual or biennial; stems 3-6 dm. high, usually with more or less spreading 



branches, puberulent; basal leaves petioled; blades spatulate or elliptic, 5-6 cm. long, dentate, 



more or less short-pubescent on both sides; stem-leaves oblanceolate, oblong or the upper 



oblong-linear, sessile, 2-8 cm. long, undulate, sinuately toothed, or entire; peduncles 1-2 dm. 



long; involucral bracts 7-1 1 mm. long, the outer ovate, the inner lanceolate, acute, canescent- 



strigose; fimbrillae of the receptacle short, conic; ray-flowers neutral; ligules yellow, 8-12 



mm. long, flabelliform, 3-lobed about one-third their length; disk yellow, 10-15 mm. broad; 



corollas 6-7 mm. long; tube less than 1 mm. long, glabrous; throat cylindro-campanulate; 



lobes subulate from a broad base, glandular-puberulent; achenes 2-3 mm. long, comparatively 



short-hirsute; squamellae linear-lanceolate, attenuate into an awn, together equaling the 



corolla. 



Type locality: Bowie County, Texas. 



Distribution: Western Arkansas to Alabama and Texas. . 



5. Gaillardia lanceolata Michx. Fl. Bor. Am. 2: 142. 1803. 



Gaillardia bicolor Pursh, Fl. Am. Sept. 572, in part. 1814. Not G. bicolor Lam. 1788. 

 Polypleris integrifolia DC. Prodr. 5: 659, in part. 1836. 



A caulescent annual or biennial; stem 3-7 dm. high, cinereous-puberulent, with slender 

 more or less spreading branches; lower leaves oblanceolate or spatulate, petioled, 5-10 cm. 

 long, dentate or sinuate, hirsutulous-puberulent on both sides; stem-leaves oblanceolate, 

 oblong, or linear, entire or remotely serrate, sessile, 2-8 cm. long, acute; peduncles 5-20 cm. 

 long; involucral bracts oblong to lanceolate, 8-12 mm. long, acute or acuminate, more or less 

 canescent; fimbrillae of the receptacle short or obsolete; ray-flowers neutral; ligules yellow, 

 cuneate, 1-2 cm. long, three-cleft; disk 1-1.5 cm. or in fruit up to 2 cm. broad, purple; corollas 

 6-7 mm. long; tube 1 mm. long; throat cylindro-campanulate; lobes subulate from a broad base; 

 achenes 2 mm. long, comparatively short-hirsute; squamellae narrowly lanceolate, with the 

 awn equaling the corollas. 



Type locality: Carolina. 



Distribution: South Carolina to Florida, Texas, and Kansas. 



Illustration: Britt. & Brown, 111. Fl. /. 3975. 



6. Gaillardia fastigiata Greene, Pittonia 5: 57. 1902. 



A caulescent biennial; stem 3-4 cm. high, canescent-puberulent, with short, more or less 

 spreading branches; lower leaves spatulate, undulate or toothed, 5-8 cm. long, scabrous- 

 puberulent; upper stem-leaves oblanceolate or linear-oblong, acute, sessile; peduncles 1-4 cm. 

 long; bracts lanceolate, acute or the inner acuminate, canescent, about 1 cm. long; fimbrillae 

 of the receptacle short, conic; ray-flowers neutral; ligules 10-12 mm. long, wholly yellow or 

 copper-red at the base; disk purple, 15-20 mm. broad; corollas 6 mm. long; tube less than 



1 mm. long; throat cylindro-campanulate; lobes subulate, glandular-puberulent; achenes 



2 mm. long, comparatively short-hirsute; squamellae narrowly lanceolate, with the awn 

 equaling the corolla. 



Typb locality: Sapulpa, Oklahoma. 

 Distribution: Kansas to Texas. 



