Bush — The Oenus Oihake Eaf. 179 



872, May 11, 1902 (M); Corpus Christi Bay, Neueces 

 County, Heller 1562, April 9-12, 1894 (M) ; Hueco Tanks, 

 Mulford 136, July 2, 1895 (M) ; Southwestern Texas, Palmer 

 655, September, 1879,toOctober, 1880 (N) ; Odessa, Havard, 

 September, 1881 (N); no locality, Havard, September, 1881 

 (N); El Paso, Wright 375, October, 1849 (N); Valley of 

 the Rio Grande, below Dona Ana, New Mexico, Mexican 

 Boundary Survey 615, three sheets of this collection and 

 number (N) ; same locality and collection, 3/extca?i-Sonn(Zar?/ 

 Survey 614, in part, two sheets of this number, the larger 

 plant on each (N). Mexico : Paso del Norte, Chihuahua, 

 Pringle 761, September 20, 1886 (N). 



5. Otiiake maximum (Small) Bush. 



rohjpteris maxima Snail!, Fl. Southeastera U. S. 12S8 (1903). 



Stems stout, simple below, few branched above, densely 

 hispid-scabrous and glandular throughout, 8-10 dm. high. 

 Leaf -blades linear-lanceolate, entire, acute or acuminate, nar- 

 rowed at the base, rough on both sides, all alternate, 5-10 cm. 

 long, 1-2 cm. wide, the upper gradually reduced, distinctly 

 3-nerved. Involucre campanulate, 1-2.5 cm. high, its bracts 

 1-2 cm. long, hnear, densely white-hispid and glandular, in 

 two series, the outer wholly herbaceous, the inner thinner and 

 somewhat colored at the tips. Peduncles ascending, stout, 

 densely hispid and glandular; ray-flowers 8-12, pistillate, 

 fertile; rays purplish or rose-colored, deeply 3-cleft, 1-2 cm. 

 long; disk-flowers numerous, perfect, fertile, 5-parted nearly 

 to the filiform tube, purplish or rose-colored; achenos 6-8 

 mm. long, scarcely 1 mm. thick, linear, quadrangular, 

 hairy; pappus-scales of the disk-flowers 6-8, lanceolate-awl- 

 shaped, awned by the excurrent costae, very pubescent, as 

 long as the achene itself or longer, those of the ray-flowers 

 as many, similar and but little shorter. — Southern Texas. 

 Autumn. 



Specimens examined: Thxas : Industry, Lindheimer 2()6, 

 August, 1844 (M N). 



