DeneJcia.] lxxiii. composite: (olivek 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 

 Cape. 



1. D. capensis, Thbrj. ,• JDC. Prodr. v. 462 ; Var. Herb of J^-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 narr<jwed into winged petiole, varying to 

 3-4 in. long, gradually smaller above. Capitula cymosely clustered at 

 the extremities, subsessiie or pedicels varying to ^ in., ^ in. more or 

 less in diam. Involucral scales narrow-oval ; otitcr minutely setulose ; 

 inner membranous, ciliate. Achenes (of ? florets) setulose. — Hook. f. 

 Ic. PI. 1138. 



South Central. Highlands of Batoka Country, Dr. Kirk ! 



Also at the Cape. 



30. EPALTES, Cass. ; Benth. et Hook. f. Gen. PI. ii. p. 293. 



Capitula heterogamous, disciform ; outer florets $ oo-seriate ; of 

 disk hermaphrodite, usually sterile. Involucre ovoid campanulate or 

 hemispherical ; scales 2- oo-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- 

 long or narrowed below, longitudinally costate. Pappus 0. — Erect 

 or difi"use 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 

 African Flora. 



Scales of receptacle 2 -3-seriate, nearly equal. Receptacle 



convex \. E. brasiliensis. 



Scales of receptacle oo-seriate ; outer successively shorter. 



Receptacle raised, cupuliform 2. E. gariepina. 



1. S. brasiliensis, DC. 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 ^ in. long, in 

 small lax terminal corymbs. Scales of involucre 2-3-8eriate, obovate, 

 obtuse or broadly acute ; inner narrower. Receptacle naked, convex, 

 dilated. Flowers purplish. — Ethulia hrasiliensis. Link ; DC. Prodr. v. 

 p. 13. Conyza hrasilunsis, Hort. Angl. ex Steetz in Peters Mossamb. 

 Bot. p. 455. Pachytlielia hrasilieiisis, Steetz. 1. c. 



Upper Cuinea. Princes Island. Barter! Mann! St. Thomas Island, G. Don ! 



Xiower Guinea. Coast south of the equator, Curror ! 



A common Brazilian species. 



