BLAKE.— ENCELIA AND RELATED GENERA. 379 
Heller 1860 (N); Bexar Co., Jermy (N); foot of limestone hill, near 
Bracken, Bexar Co., 28 July 1903, B. H. A. Groth 143 (FG); rocky 
bluffs, Crockett Co., May 1885, Reverchon (FN); rocky bank, Devils 
River, 22 July 1900, Earle 439 (N); Pinto, 6 Sept. 1900, Earle 464 
(N); Roma, 1889, G. C. Neally (N); southwestern Texas, 1879-80, 
Palmer 610 (GN), 611 (GN), 613 part (G); without definite locality, 
1849, Wright 330 part (GN); “cultivated,” Hall (N); Mexican 
Boundary Survey under Emory, 560 in part (N). Nurva Leon: 
Sierra Madre, above Monterey, alt. 915 m., 17 Aug. 1903, Pringle 
8739 (FGN); without definite locality, 1880, Palmer 615 part (N); 
Tamavuuipas: Matamoros, April 1831, Lindheimer 2290 = 870 (G). 
Mexico, without definite locality, 1848-9, Gregg 85 (G). 
18. S. catva (Gray & Engelm.) Gray var. subaristata (Gray) 
Blake, n. comb. Similar in all respects to the last, except that the 
achenes are appressed-pubescent (sometimes only on the margin 
above) and usually provided with a pair of upwardly hispidulous awns, 
which may be reduced to mere traces. 
Simsia subaristata Gray, Pl. Fendl. 84 (1849). 
ae subaristata Gray in Hemsl. Biol. Centr.-Am. Bot. ii. 185 
1881). 
Specimens examined: Texas: Brazos, Sutton Hayes 447 part (G); 
dry hills, Austin, 20 May 1872, Hall 339 (GN); Guadalupe, 20 miles 
W. of San Antonio, 1880, Palmer 612 (GN); Eagle Pass, San Antonio, 
&e., 1882, Havard 57 (G); San Angelo, 18-19 May 1899, W. L. Bray 
356 (N); without definite locality, 1849, Wright 330 part (G); south- 
western Texas, 1880, Palmer 613 part (N); Mex. Bound. Surv. under 
Emory, 560 part (N). Tamavuiipas: Matamoros, Apr. 1836, Lind- 
heimer 3010 = 1510 part (G); San Fernando to Jimeney, 26-27 
Feb. 1902, Nelson 6603 (GN); Nueva Leon: Bishops Hill near 
Monterey, 6 Feb. 1847, Gregg 47 (G, TYPE); Pico Chico, near Mon- 
terey, 18 Mar. 1900, Canby, Sargent, & Trelease 135 (N); Coanutia: 
Caracol Mts., S. E. of Manclova, 1880, Palmer 615 part (G).— Often . 
occurs mixed with S. calva on herbarium sheets. 
*- + Scales 3-4-seriate, the outer much shorter; heads paniculate. 
++ Leaves hastately lobed; stems bristly-hairy as well as glandular: heads 1.5 
em. 
2. S. setosa Blake, n. sp., herbacea (inferiore caulis parte ignota) 
ubique dense glandulosa et parce setosa pilis albis patentibus; foliis 
Ovato-lanceolatis basi sinu lato leviter cordatis et hastato-lobatis 
dentato-crenatis maximis 9 em. longis 6 cm. latis; petiolis anguste 
marginatis 3.5-4 em. longis basi in orbes dentatas latas conjunctis, 
