384 Lxxiii. COMPOSITE (OLIVER A.ND hiekn). [SpUantJies. 



1. S. iLcsnella, Liim. SijsL Nat., edit, xiii., vol. ii. p. 610. Annual, 

 creeping at base or ascending, glabrous or pubescent above, from a 

 few inches to a foot bigh. Leaves ovate, obtnse, subentire or some- 

 what dentate, ranging up to 2 by 1 in., mostly narrowed at the base 

 into a petiole of g^-f. Capitula ^g— | in. thick, conical or convex ; pe- 

 duncles ranging to 4 in. Ray-florets usually present; ligules sometimes 

 minute or wanting. Achenes glabrous or ciliolate, with or without 

 setae. — S. caulirhiza, DC. Prodr, v. p. 623. S. africana, DC. 1. c. S. 

 costata, Benth. Fl, Nigrit. p. 436. S. ahijssinica, Schultz Bip. in Hb. 

 Schimp. Abyss, i. n. 134. Verheshia Acmella, Linn. Sp. PL, edit. i. 

 p. 901. ? Eclipta filicauUs, Schum. et Thonn. Beskr. Guin. PI. p. 390. 

 Acmella cnulirhiza, Del. Cent. PL Afr. Mer. p. 45, t. iii. f. 7. 



Upper Guinea. St. Thomas Island, G. Don '. Gaboon River, Mann ! Sierra 

 Ijeone, Barter .' Cape Coast and Cape Palraas, Vogcl! {S. costata, Benth., without 

 ray-florets and a rib along one side of the achenes.) 



Xrile Xiand. Abyssinia, Schimpcr ! Unyoro, Spcke and Grant! Niamniam-land, 

 Sckwinfurtk .' Sennaar, Cienkows/ci/. 



Ziower Guinea. Congo, Chr. Smith .' (form with short peduncles and without 

 ray-florets^.) 



Mozaxnb. Bistr. Roheho Pass, Spcke and Grant ! Biver Shire, Dr. Kirk ! 



A variable species widely distributed over the warmer parts of the Old World. 



65. GUIZOTIA, Cass. ; Benth. et Hook. f. Gen. PL ii. 382. 



Capitula heterogamous with a yellow ray ; ray- florets 1- seriate ? . 

 Involucre hemispherical, bracts free, sub-2-seriate, outer more or less 

 herbaceous or even foliaceous, inner passing into the paleas of the con- 

 vex receptacle. Corolla of disk usually more or less glandular-tomen- 

 tose at base. Anther-base obtuse or 2- dentate. Inner achenes 

 tetragonous, glabrous or nearly so, apex rounded ; pappus 0. — Scabrid 

 hirsute or glabrescent herbs with opposite sessile oblong leaves and- 

 terminal solitary or cymose capitula of moderate size. 



A small Tropical African genus of which one species has been introduced into 

 India, probably for the sake of its oil-afFording seeds. 



The following species, except the hist, were recognized by Schultz and A. Richard ; 

 they are, however, difficult of discrimination, and may ultimately prove to be all 

 forms of one much cultivated and variable species. 

 Leaves undivided. Achenes of the disk quadrangular. 

 Outer involucral bracts ovate or ovate-lanceolate. 



Nearly glabrous. Palese of the receptacle glabrous or 



neai'ly so. Corolla-tube of the disk-florets hairy , . 1. G. abyssinica. 

 Pubescent above. Palese of the receptacle loosely pilose 

 towards the tip. Corolla-tube of the disk-florets suV)- 



glabrous 'or somewhat hairy 2. G. Schimperi. 



Outer involucral bracts lanceolate. 



More or less scabrous. Perennial 3. G^. Schultzii. 



Villous. Annual 4. (r. villosa. 



Leaves tripartite. Achenes (immature) compressed . . . , 5. G. hidentoides. 



1. Cr. abyssinica, Cass, in Diet. Sc. Nat. lix. p. 248. Erect 

 annual, nearly glabrous below, somewhat viscid-scabrid above, 1-5 ft. 

 high. Leaves more or less lanceolate and dentate, somewhat scabrid, 



