376 Lxxiii. COMPOSITE (OLIVER AND hiern). [Blainvillea. 



smooth, entire or somewhat jagged at apex. Achenes doubly convex, 

 somewhat compressed, villous, terminated by 2 smooth glabrous setas. 



Upper Guinea. Senegambia, Bakel Mountains, Leprieur ; Altreda, Eiver 

 G-ambia, Perrottet ! 



irile Xiand. Gallabat, near Matamma, Schweinfurth!, 



Schweiufurth in Beitr. Fl. iEthiop. p. 142, gives Cordofan for this species. 



60. WEDELIA, Jacq. ; Benth. et Hook. f. Gen. PI. ii. p. 370. 



Capitula heterogamous radiate ; ray-florets ? . Involucre campan- 

 ulate or hemispherical ; scales sub-2-seriate, outer herbaceous, inner 

 dry passing into the plicate entire or toothed scales of the receptacle. 

 Corolla of ray-florets ligulate spreading yellow. Anther-base entire or 

 minutely sagittate. Achenes oblong or obovoid, with a cupuliform 

 subentire or fimbriate pappus Cobsolete in our specimens of W. hiflora) 

 with or without 1 or 2 prominent setae. — Herbs or undershrubs often 

 scabrid or hirsute, with opposite ovate or lanceolate leaves and terminal 

 solitary or loosely cymose-panicled capitula of medium size. 

 A considerable genus common to the tropics of both hemispheres. 

 Achenes none furnished with setae. 



Pappus wanting. Leaves ovate or oval 1. W.biflora. 



Pappus cup-shaped. Leaves lanceolate-oblong . . . 2. W. africana. 

 Achenes, at least the central ones, fumislied with 2 setae. 

 Hairs on the shoots spreading. Setae of the pappus 



nearly smooth Z. W. Tnossambicensis. 



Appressedly strigose-scabrid. Setae of the pappus bar- 

 bellate. 



Herbaceous 4. W. Menotriche. 



Shrubby b. W. ahyssinica. 



1. W. biflora, Wight Gontrih. Bot. Incl. p. 18. A nearly glabrous 

 or somewhat scabrid straggling perennial herb, sometimes shrubby at 

 the base. Leaves ovate or oval, obtuse or shortly acuminate, acutely 

 narrowed at the base into the petiole, scattered with short strigose 

 hairs, serrate or crenulate, 1-2^ by \-\\ in. ; petioles slender, pubescent 

 and clasping at base, ^-1 in. Capitula depresso-globose, about ^ in. 

 diam., 2-4 on long or short peduncles at the apex of the stem or some- 

 times more numerous in an open corymb. Scales of involucre oval- 

 oblong, strigulose, nearly equal, about the length of the ligules. Achenes 

 turbinate, obtuse along the three angles, glabrous. Pappus wanting in our 

 specimens. — Verbednabiflora, Linn. Sp. PI. ed. 2, p. 1272 ; Wollastonia 

 hiflora, DC. Prodr. v. 546 ; Wollastonia scabriuscula, DC. ex Decaisne, 

 Herb. Timor, in Nouv. Ann. Mus. Par. iii. 414 ; Wollastonia zanziha- 

 rensis, DC. Prodr. v. 547 ; Anthemiopsis macrophylla, Bojer ex DC. 1. c. 



IMCozamI). Slstr. Goa Island, Peters ! Zanzibar, Bojer ; Mafia Island, 



Mozambique, Forbes! 



Widely spread from S. China, over India and the Indian Archipelago to N. Aus- 

 tralia. The extra-African synonymy is not given, and the description applies to the 

 African specimens. 



2. W. africana, P. Beauv. Ft. Ow. vol. ii. p. 19, t. 69. Straggling 

 pubescent perennial herb, a foot and a half or more high. Branches 



