80 Lxx. RURiACE^ (hiern). [SHpularla. 



1. S. afrlcana, P. de Beauv. Fl d'Ow. ii. 2G, t. 75 (1807). A 

 shrub, 6 ft. high, hispid at the extremities of the obtusely quadrangular 

 shoots and margins of petioles. Leaves oval-obovate, sub-cuspidate, 

 wedge-shaped at the base, glabrate above except midrib, pale yellowish 

 and obsoletely tomentose beneath, 6-11 by 2-4 in. ; petiole |— 1 in. ; 

 lateral veins 17-22 on each side of the midrib ; stipules ovate, 1-1 :J: in. 

 long. Involucre nearly equalling the stipules, sessile, unequally 

 4-5-cleft or toothed, angular and subplicate ; bracteoles oval-oblong, 

 equalling or shorter than the flowers, ciliate. Flowers several together, 

 subsessile, rather shorter than the involncre, slender, dirty yellow 

 (according to P. de Beauvois). Calyx scarcely half the length of the 

 flower. Corolla glabrous outside. Style-branches 3 ; ovary 3-celled. 



Upper Guinea. Oware and Galbar, P. de Beauvois ; Bagroo Kiver, Mann ! ; 

 Corisco Island, 1° N. lat., Mann! 



Grows in swampy ground or by rivers. 



2. S. elliptlca, ScTiweinf. mss. in Herb. A small shrub, 4-5 ft. 

 high, somewhat cottony at the extremities of the obtusely quadrangular 

 branches and outside the involucres. Leaves elliptical, apiculate, 

 wedge-shaped or obtuse at the base, glabrate above, paler and cottony- 

 subtomentose beneath, 2^8 by 1-4?^ in. ; petiole ^^ in., pubescent 

 or glabrescent ; lateral veins 10-14 on each side of the midrib ; 

 stipules ovate-lanceolate, ^— J in. long. Involucre 1-1 ^ in. long or 

 nearly so, red or purple inside, shortly and nnequally 3-5-cleft, sub- 

 sessile or, with common peduncle, ranging up to ^ in. ; bracteoles 

 very short, hairy. Flowers many together, shorter than the involucres, 

 sessile, white. Calyx less than half the length of the flowers. Corolla 

 glabrous outside. Style-branches 5 ; ovary 5-celled. Berry 5-celled, 

 compressed, ^ in. broad. 



Upper Guinea. Niger, Onitsha, Barter ! 

 Xrile £and. Niamniam-land, Schweinfurth ! 



3. S. grabonica, Hiern. A climbing shrub, appressedly but in- 

 conspicuously pubescent towards the extremities, of a pale yellowish 

 green colour. Leaves oval, acute or acuminate at both ends, hairy 

 along the margin, 4-6 by 1^2^ in. ; petiole J-2i in., appressedly 

 pubescent ; stipules lanceolate, \ in. long, appressedly pubescent out- 

 side. Flowers f-| in long, on short pedicels, many together, crowded 

 in hemispherical shortly pedunculate axillary subterminal heads of 

 about 1^ in. diam. ; common peduncle about \ in. long, appressedly 

 pubescent ; involucral bracts broadly ovate, |— l,in. long, puberulous. 

 Calyx-limb narrowly tubular, \-^ in. long, appressedly pubescent, un- 

 equally 5-cleft ; lobes linear-lanceolate. Corolla densely silky outside, 

 shortly exceeding the calyx-limb ; lobes 5, short, valvate in 88stivation. 

 Ovary 5-celled ; ovules numerons, small. 



Upper Guinea. Gaboon Biver, il/a»7».' 



22. HEIWSIA, DC. ; Benth. et Hook. f. Gen. PI. ii. p. 77. 

 Calyx-tube campannlate or oblong in flower, globular in fruit ; 

 limb 5-partite, persistent ; lobes enlarged, more or less oval or oblong, 



