Part 1, 1914] CARDUACEAE : HELENIEAE 61 



8. Othake Hookerianum (T. & G.) Bush, Trans. Acad, St. Louis 14: 



177. 1904. 



Palafoxia texana Hook. Ic. pi. 148. 1837. Not P. texana DC. 1836. 



Palafoxia Hookeriana T. &. G. Fl. N. Am. 2: 368. 1842. 



Polypteris Hookeriana A. Gray, Proc. Am, Acad. 19: 31. 1883. 



Polypteris maxima Small, Fl. SE. U. S. 1288. 1903. 



Othake maximum Bush, Trans. Acad. St. Louis 14: 179. 1904. 



A stout rather simple annual; stem 5-10 dm. high, hispidulous and glandular throughout; 

 leaves all linear-lanceolate or lanceolate, 3-nerved, the upper not much reduced, 5-10 cm. long, 

 1-2 cm. wide; involucre 12-15 mm. high, 15-20 mm. broad; bracts linear, hispid and glan- 

 dular; ray-flowers 8-12; ligules deeply 3-cleft, about 15 mm. long; disk-coroUas purplish or 

 rose-colored; tube about 8 mm. long; lobes linear, 4 mm. long; achenes 6-7 mm. long, 1 mm. 

 thick, hirsute; squamellae of the disk-flowers lanceolate, 7-8 mm. long. 



Type locality: Texas. 



Distribution: Texas. 



Illustrations: Hook. Ic. pi. 148 (as Palafoxia texana); Bot. Mag. pi. 5549. 



9. Othake sphacelatum (Nutt.) Rydb. Bull. Torrey Club 37: 331. 



1910. 



Stevia sphacelata Nutt.; Torr. Ann. Lye. N. Y. 2: 214. 1827. 



Palafoxia Hookeriana subradiata T. &. G. Fl. N. Am. 2: 368. 1842. 



Polypteris Hookeriana A. Gray, Syn. Fl. N. Am. 1^: 337, in part. 1884. Not Palafoxia Hookeriana 



T. &G. 1842. 

 Polypteris sphacelata Trel. in Branner & Coville, Rep. Ark. Geol. Surv. 1888<: 197. 1891. 

 Othake Hookeriatnim Bush, Trans. Acad. St. Louis 14: 177; excl. syn. 1904. 



A branched annual; stem 2-6 dm. high, hispid and strongly glandular above; leaves 



petioled, linear-lanceolate to lanceolate, or the upper linear, 3-10 cm. long, 6-15 mm. wide, 



rarely distinctly 3-nerved, hispid-strigose; involucre turbinate, about 1 cm. high and broad; 



bracts 10-15, linear-oblanceolate, purple-tipped, densely scabrous-hispidulous and glandular; 



ray-flowers 8-10; ligules rose-purple, deeply 3-cleft, 1-2 cm. long, rarely none; disk-flowers 



purplish; tube about 5 mm. long; lobes 3 mm. long; achenes 6-7 mm. long, pubescent; 



squamellae of the disk-flowers lanceolate, awned, as long as the corolla-tube, those of the 



ray-flowers spatulate, obtuse. 



Type locality: Not given, but type was collected on Long's Expedition to the Rocky Moun- 

 tains, probably in Colorado. 



Distribution: Kansas and Colorado to Texas and Chihuahua. 



Illustrations: Britt. & Brown, 111. Fl. /. 3965 (as Polypteris Hookeriana) ; ed. 2./. 4534. 



10. othake Reverchoni Bush, Trans. Acad St. Louis 14: 180. 1904. 



Polypteris Reverchoni Small, Fl. SE. U. S. ed. 2. 1373, 1913 



A slender simple annual; stem sparingly strigose, 4-7 dm. high, only sparingly glandular 

 above; leaves linear, minutely scabro-hispidulous on both sides, 3-6 cm. long, 2-6 mm. wide; 

 heads on slender peduncles; involucre about 1 cm. high, 8 mm. broad; bracts 8-10, linear- 

 oblanceolate, sparingly pubescent and slightly glandular, purple- tipped; ray-flowers 3-6; 

 ligules rose-colored, 1-1.5 cm. long, deeply 3-cleft; disk-flowers 3-6; tube about 6 mm. long; 

 lobes 3 mm. long; achenes 4-5 mm. long, not 1 mm. thick, pubescent; squameUae of the 

 disk-flowers narrowly lanceolate, 4-5 mm. long, cuspidate; those of the ray-flowers 1 mm. long, 

 oblong-spatulate. 



Type locality: Big Sandy, Texas. 

 Distribution: Texas. 



Doubtful species 

 Othake longiFOUUM Raf. New. Fl. 4: 74 (1838) can not be identified. 



42. POLYPTERIS Nutt. Gen. 2: 139. 1818. 



Lowaxeia Raf. New FL 4: 72. 1838. 



Scabrous perennial herbs. Leaves mostly alternate, entire. Heads discoid, corymbose. 

 Involucre turbinate; bracts in 2-3 series, more or less imbricate, mostly scarious. 



