362 LXXIII. COMPOSITE (OlilVER AND hiern). [Vicoa. 



A small genus of the Old World Tropics. 

 Leaves sessile, amplexicaul, lanceolate or oblong ; . . I. V. auriculata. 

 Leaves petiolnte, oval or ovate, strongly toothed . . . 2. V. divaricata. 



1. V. auriculata, Cass.; DC. Prodr. v. p. 474. Erect annual, 

 1-3 ft. high, simple belove, somev^hat loosely branched above ; branches 

 terete striate, puberulous at least above. Leaves alternate or occasi- 

 onally subopposite, linear lanceolate or oblong, acute or subobtuse, 

 sessile, anriculate at the base, amplexicaul, puberulous or nearly gla- 

 brous, -J-S in. long by iV~l ^^- wide, membranous, denticulate or sub- 

 entire. Capitula hemispherical, manj-flowered, about ^-4 in. diam., 

 solitary on slender pedicels, J-l^in. long, in a somewhat loose terminal 

 panicle. Scales of the involucre pluriseriate, acute, scattered with 

 small sessile glands ; inner linear, straight; outer subulate, recurving. 

 Receptacle flat naked ^-i in. diam. Florets all tubular, orange- 

 yellow. Achenes ellipsoidal-oblong, ^^^ in. long, pale, pubescent. — V. 

 indica, DC. ; Prodr. v. p. 474 ; Inulaster Eotschyi, Schultz Bip. in Hb. 

 Kotschy Nubic. n. 108 ; Varthemia Kotschyi, Schultz Bip. in Hb. 

 Schimp. Abyss, sect. ii. sub. n. 938 ; Conyza Kotschyi, Schultz Bip. ex 

 Schw^einf. et Aschers Fl. -^thiop. p. 307 ; Inula leptoclada, Webb, 

 Spicil. Gorgon. 137, ex Schweinf. et Aschers, L c. 



"Upper Guinea. Sencgambia, Capt. Botelcr .'; Niger Expedition, Barter ! 

 Sriie Iiand. Cordofan and Sonnaai*, Kotschy I Bongo-land, Sc/iweinfurth / D^va, 

 Upper Nubia, Tinne ; Soturba, Schweinf urth! 



Occurs also in Egypt, Cape Verde Islands, and India. 



2. V. divaricata, 0. Sf H. Herbaceous, divaricately branched ; 

 branches slender, terete, puberulous. Leaves alternate, oval or ovate, 

 apiculate, narrowed at the base, petioled, with large apiculate teeth, 

 puberulous at least below, ;^j ^'n. long by to~2 ^^- wide. Petioles 

 narrowly alate, ranging up to J in. long. Capitula subhemispherical; 

 many-flowered | in. diam., solitary on long slender axillary and termi- 

 nal peduncles §-4 in. long, loosely panicled. Scales of the involucre' 

 pauciseriate, linear, acuminate, puberulous ; outer shorter. Receptacle 

 punctate, plano-convex, ^ in. diam. ; outer florets ? , ligulate. Achenea 

 oblong, not contracted at the top, ^ in. long, pubescent when young, at 

 length nearly glabrous. Pappus uniseiiate, of few scabrid setae. 



Wile Iiand. Abyssinia, Ehrcnberg ! 



46. CALOSTEPHANE, Benth. ; Benth. et Hook. f. Gen. PI. ii. 



p. 335. 



Capitula heterogamous, yellow, radiate, ray-florets 1-seriate $. 

 Involucre somewhat hemispherical of 1-2-seriate narrow unequal 

 bracts not e:^ceeding the florets. Receptacle foveolate. Corolla of ray 

 with elliptical or oblong minutely 3 -dentate limb ; of disk tubular with 

 5-fid recurved limb. Anther-base finely sagittate, tails capillary. 

 Achenes prominently 10-costate, ribs setulose. Pappus of 5 obovate 

 denticulate hyaline paleas alternate with as many narrow and slightly 

 longer.— Puberulous or scabrid erect forking slender herb, Leaves 



