60 NORTH AMERICAN FLORA [Volume; 34 



A rather stout annual; stem 2-6 dm. high, strigose-hirsute, with ascending branches, 



only the peduncles slightly glandular; leaves short-petioled, from ovate-lanceolate to 



linear-lanceolate, strigose-hirsutulous, 2-5 cm. long, 5-25 mm. wide, more or less distinctly 



3-nerved; involucre turbinate, 6-10 mm. long, 8-10 mm. broad; bracts 8-15, oblanceolate, 



rose-tipped, hirsutulous, scarcely glandular; ra} _ -flowers wanting; corollas rose-colored; 



tube and linear lobes each 4—5 mm. long; achenes 5-6 mm. long, 1 mm. thick, hirsute; squa- 



mellae lanceolate, acute or acuminate, about 3 mm. long, or those of the outer achenes obovate, 



obtuse, and 1.5-2 mm. long. 



Type locality: Texas. 



Distribution: Oklahoma to Tamaulipas and Coahuila. 



4. Othake robustum Rydberg, sp. nov. 



A stout annual; stem simple, strigose, densely grayish strigose-hispidulous, 6-10 dm. 

 high, scarcelj' at all glandular; leaves petioled, narrowly lanceolate, 3-ribbed, 4—7 cm. long, 

 thick, grayish-hispidulous ; heads corymbose, with short peduncles; involucre broadly tur- 

 binate, 7 mm. high, about 10 mm. broad; bracts about 15, linear, hispidulous; ray-flowers 

 wanting; corollas rose-colored; tube and lobes each 2.5-3 mm. long; achenes 5-6 mm. long, 

 1 mm. thick, hispidulous; squamellae ovate or obovate, 1.5-2 mm. long. 



Type collected on sand-dunes of Gulf Coast, Tampico, Tamaulipas, July 4, 1896, Pringle 6354 

 (herb. Columbia Univ.). 



Distribution: Southern Texas and Tamaulipas. 



5. Othake macrolepis Rydb. Bull. Torrey Club 37: 332. 1910. 



A rather stout annual; stem 3-4 dm. high, strigose-hirsutulous, also glandular above, 



with ascending branches; leaves linear to lanceolate, indistinctly 3-ribbed, short-petioled, 



3-5 cm. long, 2-8 mm. wide; peduncles short and densely glandular; involucre turbinate, 



9-10 mm. high and about as broad; bracts 8-12, linear-oblanceolate, scabrous-hispidulous and 



glandular, with rose-colored tips; ray-flowers wanting; corollas rose-purple; tube and linear 



lobes each 5 mm. long; achenes 7 mm. long, 1 mm. thick, strigose; squamellae 6-8, lanceolate, 



caudate-acuminate, 5-6 mm. long. 



Type locality: Rule Creek, Bent County, Colorado. 

 Distribution: Type locality and vicinity. 



6. Othake canescens Rydberg, sp. nov. 



A branched annual or perhaps perennial, somewhat woody below; stem 3-4 dm. high, 

 densely hispidulous-strigose; leaves linear- lanceolate, petioled, 2-4 cm. long, 3-6 mm. wide, 

 strigose-canescent, 1-nerved; heads numerous; involucre 8-9 mm. high, 8-10 mm. broad; 

 bracts about 12, linear, hispidulous; ray-flowers wanting; disk-flowers 15-20; corollas rose-col- 

 ored; tube and linear lobes each about 3 mm. long; achenes 6 mm. long, 1 mm. thick, densely 

 hirsute; squamellae ovate-lanceolate, acute, 3 mm. long, or those of the marginal flowers 

 somewhat shorter and more blunt. 



Type collected among river-gravel at Monterey, Nuevo Leon, July 4, 1888, Pringle 1919 

 (herb. Columbia Univ.). 



7. Othake Lindeni (A. Gray) Bush, Trans. Acad. St. Louis 14: 173. 



1904. 



Palafoxia Lindeni A. Gray, PI. Wright. 1: 120. 1852. 



Polypteris Lindeni A. Gray; Bush, Trans. Acad. St. Louis 14: 173, as synonym. 1904. 



A rather simple stout annual; stem 3-6 dm. high, grayish-puberulent, glandular in the 



inflorescence; leaves oblong-lanceolate or oblanceolate, obtuse, short-petioled, 3-5 cm. long, 



somewhat 3-nerved, puberulent; involucre turbinate, 8-9 mm. high, 10-12 mm. broad; bracts 



12-15, linear, rose-tipped, densely puberulent; ray-flowers wanting; disk-flowers 20 or more; 



tube and linear lobes each 4—5 mm. long; achenes 7 mm. long, 1 mm. broad, almost glabrous; 



squamellae lanceolate, about 5 mm. long, acute but not awn-tipped. 



Type locality: Antigua, Vera Cruz. 

 Distribution: Vera Cruz and Tamaulipas (?). 



