Etlmlia.] i-xxiii. coMPOsiTiE (olivek and hiekn). 2G3 



angustifoUa, Boj. ex DC. Prod. 1. c. ; E. Kraussn, Sch. Bin,, Walp. 

 Rep. ii. 945. 



Widely spread in Tropical as well as in Extratropical Africa and India. 



3. GUTENBERGIA, Scliultz Bip. ; Benth. et Hook. f. Gen. 



PI. ii. 224. 



Capitula homogamous many-flowered. Involucre campannlate ; 

 bracts multi- or pauci-seriate, imbricate, outer smaller ; receptacle 

 naked. Corolla regular, narrowed below, limb 5-fid. Anthers linear, 

 base obtuse, apical appendix lanceolate acute. Achenes oblong or 

 ellipsoidal, 10-8-costate, ribs equal or alternately narrower, or 4-5- 

 costate; apex obtuse, epappose. — Branched herbs. Leaves alternate 

 or the lower subopposite, simple. Capitula small or medium-size, in 

 lax or sparse paniculate or corymbose cymes. 

 Confined to Africa. 

 Achenes 8-12-costate. 



Ribs alternately narrower. Capitula ^-^ in. in diifuse 

 cj-raes. 



Inner involucral scales obtuse 1. G^. THippcllii. 



All the involucral scales acute 2. G. PdcrsiL 



Ribs equal or nearly so. 



Involucral scales multiseriate. 



Capitula i in. Involucral scales lanceolate . . . Z. G. nigritana. 

 Capitula |-1 in. Outer involucral scales broad 



obovate, inner linear-spathulate acuminate . 4. G.l macroccphala. 

 Involucral scales pauciseriate. Capitula nume- 

 rous, I in 5. G^. polyceplmla. 



Achenes 4-5-costate. Capitula ^ in., solitary at 



extremities . 6. G, loiigipes. 



Achenes obovoid 5-costate, each rib longitudinally 

 grooved ; intercostal spaces transversely ridgetl. 

 Capitula |-i in. loosely panicled 7. G. cordifoUa. 



1. G-. Riippellii, Sch. Bip.; Wolf. Rep. ii. 703. Erect annual or 

 biennial thinly hoary-tomentose herb, ^-2 ft., branched from the upper 

 axils. Leaves alternate or the lower opposite or subopposite linear- 

 lanceolate to linear-oblanceolate, lamina narrowed to the insertion, 

 acute or broadly pointed, entire or obscurely denticulate, glabreecent 

 above appressed hoary-tomentose beneath, 1-2^ in. long. Capitula 

 :J— J in. diam. in peduncles of ^ in. or less in diffuse terminal corymbose 

 cymes or laxly panicled ; involucral scales lanceolate, the outer acute, 

 more or less cottony, inner usually purplish above, scarions-raargined. 

 — EtluiUa BilppelUi, Hochst. ; A. Rich. Fl. Abyss, i. 372. G.ahyssbdca^ 

 Sch. Bip. ; Walp. Ann. ii. 808. 



STile Xiand. Ahyasmio., Schimper ! Petit! Upper Nile (iSt-Attrin/. ^wmw.). 



2. G. Petersii, Steetz in Peters Mossamb. Bot. p. 348. Erect, 

 1-1^ ft. high, apparently annual, thinly cottony above, glabratc below. 

 Leaves linear- lanceolate, acute or apiculate, subentire or with a few 

 minute teeth, greeri and subglabrous above, hoary and obsoletely 

 tomentose beneath, ranging up to 2-2 J in. long,, the upper ones cordate- 



