176 Trans. Acad. Sci. of St. Louis. 



high, its bracts 5-7 mm. long, hispid and glandular, in two 

 series, the outer more herbaceous, and colored only at the 

 tips, the inner deep purple for at least the upper half. Pe- 

 duncles slender, ascending, scabrous-pubescent and glandular; 

 ray-flowers none; disk-flowers numerous, perfect, fertile, 5- 

 parted nearly to the filiform tube, bright rose-colored, pubes- 

 cent on the inner surface near the apices ; achenes 3-4 mm. 

 long, scarcely 1 mm. thick, linear, slightly broadened upward, 

 pubescent; pappus-scales 6-8, lanceolate, acute, more than 

 one-half the length of the achene, those of the marginal 

 flowers spatulate, obtuse, shorter, strongly costate, the 

 costae not reaching the tips, all densely pubescent. — Sandy 

 prairies and woods, Eastern Texas and Indian Territory. 

 Summer and autumn. 



Specimens examined: Texas: Sheldon, 18 miles east of 

 Houston, Reverchon 365(3, October 7, 1903, type (M); 

 Houston, Bush 1599, October 25, 1900 (N); Columbia, 50 

 miles south of Houston, Bush 1387, October 7, 1900 (MN); 

 Brazos County, Pammel, July 1888 (M); Dallas, Glatfelter, 

 June 16, 1898 (M); Reverchon 1507, date of collection not 

 given (N); 3290, May 1, 1902 (M) ; Galveston Bay, Joor, 

 September 26, 1884, in part, the larger plant (M) ; Laredo, 

 Pringle 2655, July 24, 1889 (M); Millett, Trelease, Novem- 

 ber 4, 1897 (M); no locality, Lindheimer 106, 1843 (M) ; 

 Hockley, Thufow 12, 1890 (N); Austin, Letterman, August, 

 1882 (N); Industry, Wurzlow 35, 1894 (N); Cherokee, 

 Rusk County, Joor, October 31, 1884, in part, the larger 

 plant. Indian Territory: Canadian River, Bigelow, 1853- 

 54 (N). 



3. Otiiake Texanum (DC.) Bush. 



Palafoxia Texana DC. Prodr. 5: 125 (1836). 



PolypterisTexana (DC.) Gray, Proc. Am. Acad. 19:31 (1883). 



Stems stout, dichotomously branched, hispid or scabrous- 

 pubescent, slightly viscid above, 2-6 dm. high. Leaf -blades 

 lanceolate or ovate-lanceolate, entire, obtuse, rounded at the 

 base, rough on both sides, the upper alternate, the lower 

 opposite and slender-petioled, 2-5 cm. long, 10-25 mm. wide, 



