Enhydra.] lxxiii. coMPOSiTiE (oliver and hiern). 373 



narrowed; petiole usually dilated. Capitula ^-J in. diameter, with 

 the spreading involucre ^-| in. diameter. Bracts of the involucre 

 ovate or oval. — E, longifolia, E. paludosa, and E. Helnncha., DC. Prodr. 

 V. p. 637. CcesiiUa radicans, Willd. Sp. PI. iii. 1797. Cnjphiuspenniuu 

 repens, P. Beauv. Fl. Owar. ii. 2o, t. 74. Meyera gnineensis, Spreng. 

 Syst. Veg. iii. G02. Waklenberr/ia ghhularis, Schum. et Thonn. Guin. 

 PI. 387. 



Upper Guinea. Old Calabar, Mann.' Fernando Po, Mann! Barter! Niger, 

 Vogel! 

 "^ower Guinea. Loango, Soi/aux! 



Widely spread in the East Indies and extending to New South Wales ; some 

 Brazilian specimens do not seem to diifer. 



57. ECLIPTA, L. ; Benth. et Hook. f. Gen. PI. ii. 361. 



Capitula heterogamous, radiate. Involucre hemispherical of sub- 

 biseriate herbaceous nearly equal bracts equalling the head. Palese of 

 receptacle narrow, folded, or of centre of receptacle setiform or 0. 

 Ligule of ray-florets small, entire or bidentate. Anther-base entire or 

 nearly so. Achenes somewhat angular, minutely tubercled ; pappus 

 or shortly biaristate. — Herbs, usually strigose or hirsute, with op- 

 posite entire or toothed leaves and terminal or. axillary pedunculate 

 rather small solitary or geminate heads. 



A small genus of warm regions. 



1. Xi. alba, Hassk. PI. Jav. Bar. 528. An erect or decumbent 

 scabrid herb, ^-2 ft. high ; branches striate or sulcate. Leaves lan- 

 ceolate or narrowly elliptical, narrowed at both ends, more or less 

 scabrid-punctate, very shortly petiolate, ranging up to 5 by 1 in. 

 Peduncles 1-3 together, unequal, slender, ranging up to 2f in., sub- 

 erect. Capitula ^-^ in. diameter, hemispherical. Bracts of the 

 involucre ovate, acuminate, strigose-pubescent. Ray-florets small, 

 white. Tubular florets 4-dentate at the apex. Achenes usually quite 

 glabrous, minutely tubercled. — E. ereda, JE.prosti'afa, and E. punctata, 

 Linn. Mant. alt. 286 ; together with the other species in the sect. 

 Eu-eclipta, DC. Prodr. v. 490. 



Widely spread in Tropical Africa ; we have not seen specimens from either of the 

 Central Districts. 



A common weed in warm countries. 



58. SCLEROCABPUS, Jacq. ; Benth. et Hook f. Gen. PI ii. p. 364. 



Capitula heterogamous with few neuter ray-florets, or homogaraous, 

 all tubular and fertile. Involucre of few leafy bracts equalling or ex- 

 ceeding the head. Paleae of receptacle cymbiform sheathing the florets. 

 Corolla of disk tubular, short or elongate, 4-5-toothed. Anther-base 

 entire or minutely apiculate. Achenes narrowed below ; pappus or 

 reduced to a minute annulus, — Erect scabrid herbs with alternate or 



