Bush — The Genus Othake liaf. 175 



much alike, the inner but little colored. Peduncles .slender, 

 short, densely stalked-glandular ; ray-flowers none; disk- 

 flowers 5-12, perfect, fertile, 5-parted nearly to the filiform 

 tube, flesh-colored; achenes 3-4 mm. long, narrowly obpyra- 

 midal, angular, pubescent or rarely glabrous; pappus-scales 

 6-8, obovate or spatulate, erose or dentate, about 1 mm. long, 

 the costae scarcely reaching the apices. — Rocky barrens and 

 plains, Missouri and Arkansas to Texas and New Mexico. 

 Autumn. 



Specimens examined: Missouri : Marble Cave, TreJease, 

 September 11, 1898 (M); Swan, Busli 476, September 24, 

 1899 ( M N) ; Trelease, October 9, 1899 (M) ; Greene County, 

 Bush 203, September 4, 1893 (MN) ; Eagle Rock, Bush 115, 

 September 17, 1896 (MN); Mackenzie, September 17, 1896 

 (M). Arkansas: Eureka Springs, Wislizenus, August, 

 1887. Texas: Dallas, Bush 1635, October 30, 1900 (M) ; 

 1146, September 26, 1900 (M) ; Hall 356, June 30, 1872 

 (MN); Reverchon 3288, October 16, 1902 (M); 526, 

 August, 1882 (N) ; Southwest Texas, Palmer 656, Septem- 

 ber, 1879, to October, 1880 (N) ; Fort Worth, Ward, Sep- 

 tember 9, 1877 (N) ; Bodin 96, July, 1889 (N) ; Glen Rose, 

 Ward, October 10, 1891 (N); Comanche Peak, Reverchon 

 3655, September 6, 1903; Weatherford, Tracy 8142, Octo- 

 ber 18, 1902 (M); Parker Count}', Broadhead, date of col- 

 lection not given (M) ; Willow Creek, Jermy 804, date not 

 given (MN); Kerrville, Heller 1919, June 26 to 30, 1894 

 (N); Valley of the Rio Grande, below Dona Ana, New 

 Mexico, Mexican Boundary Survey 613 (N) ; Western Texas, 

 Wright 377, May to October, 1849 (N). New Mexico: No 

 locality, Wright 1410, 1851-52 (N). 



2. Othake roseum Bush. 



Stems erect, simple or few-branched, branches ascending, 

 scabrous-pubescent, 4-7 dm. high. Leaf blades linear-lanceo- 

 late, entire, acute or acuminate, narrowed at the base, rough 

 on both sides, the upper alternate, the lower opposite and 

 short petioled, 2-5 cm. long, 2-5 mm. wide, 1-nerved, the 

 upper gradually reduced. Involucre campanulate, 6-9 mm. 



