e 
Denekia. | LXXIII. COMPOSITE (OLIVER AND HIERN). 331 
white or bluish, irregularly cymose or congested at the extremities of 
the slender peduncles. 
, A genus of not more than three species restricted to South Tropical Africa and the 
ape. 
1. D. capensis, Thbg. ; DO. Prodr. v. 462; Var. Herb of 4-1 ft., 
giving off numerous ascending slender thinly lanate or glabrate 
branches from the crown. Leaves linear-oblong, acute, sessile, am- 
plexicaul, sometimes auricled at the base, denticulate or sinuous- 
dentate, thinly tomentose or glabrous above, white-lanate beneath ; 
lower and radical leaves narrowed into winged petiole, varying to 
3-4 in. long, gradually smaller above. Capitula cymosely clustered at 
the extremities, subsessile or pedicels varying to } in., 2 in. more or 
less in diam. Involucral scales narrow-oval; outer minutely setulose ; 
inner membranous, ciliate. Achenes (of ? florets) setulose.—Hook. f. 
Ie. Pl, 1138. 
South Central. Highlands of Batoka Country, Dr. Kirk! 
Also at the Cape. 
30. EPALTES, Cass.; Benth. et Hook. f. Gen. Pl. ii. p. 293. 
_ Capitula heterogamous, disciform ; outer florets ? oo-seriate; of 
disk hermaphrodite, usually sterile. Involucre ovoid campanulate or 
hemispherical ; scales 2—0o-seriate, imbricate, nearly equal or outer 
successively shorter. Receptacle convex or elevated with central de- 
pression, naked, or minutely alveolate. Corolla of ¢ florets tubular 
or filiform, of & florets tubular, dilated or infundibuliform above. 
Anther-base tailed ; apical connective ovate or ovate-oblong, obtuse. 
Style terete, papillose, undivided or minutely emarginate. Achene ob- 
ong or narrowed below, longitudinally costate. Pappus 0.—Erect 
or diffuse herbs. Leaves alternate, oval or oblong, entire or serrate, 
usually more or less distinctly decurrent. Capitula small, in terminal 
corymbose cymes or few-headed clusters. 
A small tropical genus. Neither of the following is restricted to the Tropical 
can Flora. 
Scales of receptacle 2.-3-seriate, nearly equal. Receptacle 
convex . . ee 
Scales of receptacle oo-seriate : outer successively shorter. _ 
Receptacle raised, cupuliform . oe ee 2. E. gariepina. 
1. E. brasiliensis, DO. Prodr. v. p. 461. Puberulous or nearly 
glabrous branching herb, about 4 ft. high; branches faintly striate ; 
upper alate, leafy. Leaves oval, acute or subacute, cuneately narrowed 
to clasping decurrent base, serrulate, 2-3 in. long by $-1 in. wide. 
Capitula sub-hemispherical or -globose, many-flowered, } in. diam., 
on unequal angular or subulate pedicels not exceeding 3 in. long, in 
small lax terminal corymbs. Scales of involucre 2-3-seriate, obovate, 
obtuse or broadly acute; inner narrower. Receptacle naked, convex, 
dilated. Flowers purplish.—Ethulia brasiliensis, Link ; DC. Prodr. v. 
P. 13. Conyza brasiliensis, Hort. Angl. ex Steetz in Peters Mossamb. 
Bot. p. 455. Pachythelia brasiliensis, Steetz. 1. c. 
Upper Guinea. Princes Island, Barter! Mann! St. Thomas Island, G. Don! 
Lower Guinea. Coast south of the equator, Curror ! 
A Common Brazilian species. 
1. E. brasiliensis. 
