BLAKE.— ENCELIA AND RELATED GENERA. 381 
intermixed with long hairs; leaves mostly opposite, ovate, acute, 
cuneate-truncate to cordate at base, subentire, crenate, or sometimes 
rather sharply toothed, tuberculate-strigillose with some longer hairs 
intermixed, the blade 5-11 em. long, 2.5-8.5 em. wide, on nearly 
naked petioles 1-7 cm. long, glandular-puberulent and fringed with 
long white hairs; heads numerous, paniculate, the bracts linear-lanceo- 
late or broader; disk 1-1.3 cm. high, about as broad; involucre’ 
nearly or quite equaling the disk, about 3-seried, the inner scales lance- 
acuminate, the outer ovate or ovate-oblong and half their length, all 
striate, glandular on the back, ciliate particularly toward the tip, 
purple-tipped, the inner mostly purple; rays about 8, oval-oblong, 
under 8 mm. long, subentire, yellow, apparently sometimes wanting; 
disk-corollas 7 mm. long, glandular-puberulent particularly on tube 
and teeth, yellow turning purplish with age; pales 9-10 mm. long, 
narrow, glandular-puberulent and ciliate on the back and tip; achene 
blackish, glabrous and awnless, nearly truncate at apex, 4.5 mm. long, 
2.3-2.8 mm. broad. 
Simsia exaristata Gray, Pl. Wright. ii. 87 (1853). 
Encelia exaristata Gray in Hemsl. Biol. Centr.-Am. Bot. ii. 183 
(1881), 
Specimens examined: Texas: valleys in the mountains east of El 
Paso, 1849, Wright 331 (GN); Arizona: Mexican Boundary Line, 
south of Bisbee, 14 Sept. 1892, Mearns 873 (N); southern part, 1881, 
Lemmon 575 (G); New Mexico: southern part, Mex. Bound. Surv. 
under Emory, 561 (N). Sonora: valley of a tributary of the San 
Pedro, Sept. 1851, Wright 1224 (GN, Type COLLECTION); sandy 
places, Sept. 1851, Thurber 953 (G); Carauanua: valley near Chi- 
huahua, 19 Sept. 1885, Pringle 321 (FGN); Vera Cruz: Orizaba, 
Botteri 804 (G) 
5. S. submollicoma Blake, n. sp., herbacea caule ramisque striatis 
puberulo-pilosis ad nodos canescentibus; foliis fere omnibus oppositis 
ovato-deltoideis cordatis sinu lato breveque vel superioribus truncatis 
crenato-dentatis paullulo hastato-lobatis acutis infra dense submol- 
literque pubescentibus pilis brevibus patentibus in venis longioribus 
Supra subcanescentibus pube subsimile autem appressa asperaque 
4-6 em. longis 3-5.5 cm. latis, petiolis immarginatis puberulo-pilosis 
1-3 em. longis; capitulis subcorymbosis ramos terminantibus juven- 
tate ut gemmis dense pilosis maturitate 10-14 mm. alto 9-11 mm. 
diametro; involucro 1 em. altitudine squamis acutis purpurascentibus 
"ssapingae puberulis subdense pilosisque interioribus oblongis exteriori- 
< 4S ovatis duplo brevioribus: radiis (an semper) 0; corollis disci 
. 
