Lxxiii. composite: (oliver and hiern). [Herderia. 



1. U. truncata, Cass. ; DC. Prodr. v. p. 13. Diffuse creeping or 

 decumbent annual, not more than 1 ft. high, varying much in indu- 

 mentum, pubescent hirsute or some specimens nearly glabrous, leafy. 

 Leaves obovate or oblanceolate, rounded at apex, cuneately narrowed 

 at base into short petiole, subentire or with a few teeth above, ^1^ in. 

 long by ^— J in. wide. Capitula terminal, solitary, hemispherical, many- 

 flowered, J in. wide, with foliaceous bracts at base. Scales of involucre 

 herbaceous ; outer oblanceolate or linear- spathulate, adnate below 

 to inner which are confluent ^-J their length and equal the 

 fruit. Achenes glabrous, acutely 3^-gonous, narrowed below. Pappus 

 squaraiform ; squamsB 8-12, blunt, ciliate, at length stellate-patent ; 

 1-3 squamsB often elongated, setaceous, 2-3 times longer than the rest. 

 Ampherephis senegg^lensis, Less, in Linnsea, vi. 687. 



Upper Guinea. Senegal, Perottet ! Lelierre ! Niger, Barter ! (flowers crimson). 



2. R. stellulifera, Benth. Niger Fl. p. 425. Diffuse decumbent 

 annual, 2 ft. high ; branches slender, striate, softly pubescent. Leaves 

 ovate, acute or obtuse, abruptly narrowed into petiole, membranous, 

 crenulate or subentire, pubescent beneath or subglabrous, ^If in. 

 long by ^1^ in.'wide ; petiole ^ in. long or less. Capitula widely 

 campanulate, about 20-flowered, |~^ in. wide, on unequal slender pedi- 

 cels ranging up to § in. long, in loose corymbose cymes. Scales of 

 involucre pauciseriate, fi^e, acutely apiculate, pubescent, scattered with 

 sessile glands, inner linear, outer subulate ; receptacle flat, glabrous. 

 Flowers violaceous. Anther-base rather obtuse. Achenes hispidulous, 

 obscurely angled. Pappus minute, coroniform, ciliate or with 1-3 

 setaceous squamas. 



Upper Guinea. Sierra Leone, G. Don ! Afzelkis! Fernando Po, Vogd! Barter! 

 Sierra del Crystal, Manoi ! Akele country, 200 miles up the Ogovi Kiver, Dr. Nassau .' 

 XETile Iiand. Niamniam-land, Schweinfurth ! 



8. ELEPHANTOPUS, L. ; Benth. et Hook. f. Gen. PI. ii. 237. 



Capitula homogamous, 2- 5 -flowered, collected in ovoid or globose 

 bracteate heads. Involucre oblong or narrowly ovoid, scales usually 

 biseriate, outer shorter ; receptacle naked or alveolate. Corolla sub- 

 regular or limb subpalmatifid 4-5-fid. Anther-base sagittate. Style- 

 branches subulate, glabrate or minutely hairy. Achenes subterete or 

 subangular, narrowed at base, apex truncate, 10-costate or costaa 

 obsolete ; pappus 1-2-seriate ; setse definite (-5-6) or indefinite, subequal. 

 — Erect somewhat rigid herbs, pubescent villous or setose. Leaves 

 alternate, penniveined ; petiole sheathing at base. Capitula, in African 

 species, in globose terminal bracteate heads, solitary or divaricately 

 panicled. 



A small genus, chiefly tropical American. E. scaber is the only species common in 



the tropics of both hemispheres. E. se^iegalensis is peculiar to Upper Guinea. 

 Heads ^-| in. diam., pedxincuiate in divaricate panicles. Pappus 



of b-Q setae \. E. scaber. 



Heads 1-1^ in. diam., sessile, overtopped by upper leaves. 



Pappus 2-seriate of « setae . . . . ; 2. E. senegalensis. 



