388 PROCEEDINGS OF THE AMERICAN ACADEMY. 
© Scales somewhat corky basally, kee Bisoeey striate; leaves very 
oer lobed; achenes usually larger, 6-7 m g (except in nos. 12 and 17) 
+ Whole plant densely covered with Halkel ¢ sande sagers never auriculate; 
.2 mm. long o 
12. §S. adenophora (Greenm.) Blake, n. comb. Erect annual, 
branched above, 1—2.5 m. high, setose and yellowish with dense stalked 
glands; lower leaves opposite, deltoid-ovate, rarely 3-lobed, acute, 
truncate or shallowly cordate at base, crenate-dentate, 6.5-12 cm. long, 
5-13 cm. wide, setose and glandular both sides, on marginless densely 
glandular petioles 1-8 cm. long, never auriculate, the upper lance- 
acuminate, gradually reduced to linear-lanceolate bracts; heads 
panicled, rather numerous, 10-17 mm. high; involucre slightly ex- 
ceeding disk, 3-rowed, the scales densely glandular-hispid, subequal, 
lanceolate, striate and somewhat corky-ribbed at base, the narrow 
herbaceous tips loosely spreading; rays when present yellow, about 
12, 7-8 mm. long, 3.5 mm. wide; disk-corollas pubescent, 6 mm. long, 
ellow turning purplish above, the tube only 0.6 mm. long; pales 9 mm. 
long, laterally dentate, appressed-pubescent above; achenes blackish, 
5-5.3 mm. long, 2.9 mm. wide, appressed-pubescent and _ slightly 
ciliate, with 2 finely and upwardly pubescent awns 3-4 mm. long. 
Encelia adenophora Greenm. Proc. Am. Acad. xxxix. 109 (1903). 
Specimens examined: Jaisco: fields and copses, Tequila, Sept.— 
Oct. 1893, Pringle 4602 (FGN, TyPE coLtEcTIOoN); Etzatlan, 2 Oct. 
1903, Holway 5092 (G); Moretos: limestone hills near Yautepec, alt. 
1372 m.,.21 Oct. 1902, Pringle 9898 (FGN); GurRRERO: between 
Tlapa and Tlaliscatilla, alt. 1190-1372 m., 5 Dec. 1894, Nelson 2045 
(GN); Oaxaca: Monte Alban, near Oaxaca City, alt. 1677-1830 m., 
8 Oct. 1894, C. L. Smith 236 (N); hills of Soledad de Etla, alt. 1830 m., 
19 Nov. 1895, L. C. Smith 894 (G); Hacienda Guadalupe, alt. 1600 m., 
7 Oct. 1906, Conzatti 1529 (F); without definite locality, 10 Nov. 1903, 
Holway 5360 (G). 
+ + Usually sare cso the gor mostly sessile; pene sometimes 
e; achene ly 6-7 mm. lon 
— Lower leaves al sail As with i sbeitly margined ¢ dust based: the upper 
sometimes cordate-clasping 
A. Achenes 6—7.5 mm. long, or if smaller, the ‘eet strongly ribbed. 
B. Leaves evan densely glandular-dotted both sides; mature heads 1.5 em. 
n diameter; achene 7 mm. long; Jamaican ; 
1dvc oh ees Blake, n. sp., herbacea erecta ramosa 1.3-2.5 m. 
alta foliis infimis et radice i invisis ; caule ramisque multistriatis hirsutis 
dense glandulosis praecipue in inflorescentia ubi glandulae pedatae 
sunt; £oliic intferi +} lat x Md eerie ee ae soa ie ne ars ou ba patoe 
