CIX. EUPnORBIACEJE. 337 



4. CLUYTIA, Ait. 



Flowers tHoDcious. — Male : Calyx 5-partecl, imbricate. Pe- 

 tals 5, short, perigynoiis, alternating with as many 2-8-fi(l 

 glands. Stamens 5, on a central column, supporting an abor- 

 tive pistil. — Female : Calyx and corolla as in male. Ovary 3- 

 celled ; cells 1-ovuled ; styles 3, 2-fid. Capsule coccous. — 

 EnilL Gen. n. 58^0; Baill Euph. p. 328. t. 16. / 1-21 ; DO, 

 I c. p. 10^3. 



South African shrubs or halfshrubs, with aUeniate, exstipulate, imdi- 

 vided leaves. Inflorescence axillary ; flowei-s small, green, solitary or tufted. 

 — Several species, dispersed. 



5. CROTON, Linn. 



Flowers monoecious or dioecious. — Male: Calyx 5-fid or -part- 

 ed, imbricate or valvate in bud. Petals 5, clawed, pubescent, 

 alternating with as many glands. Stamens G-10-20-30 ; fila- 

 ments free, on a convex receptacle. — Female : Calyx of male. 

 Petals minute or 0. Disk of 5 glands. Ovary 3-celled ; cells 

 1-ovuled; styles 3, 2-fid. Capsule 3-coccous — Endl. Gen. 

 n. 5827 ; Baill Euph. p. 349. t. 17 and 18 ; DC. I. c. p. 512. 



Shrubs or herbs, tropical and subtropical. — 2 or 3 Cape species, in the 

 Eastei'n district and Natal. 



6. CERATOPHORUS, Sond. 

 Flowers dioecious. — Male : Calyx 2-leaved, the folioles 

 ovate, cucullate, horned. Petals 2, alternate, elliptical or 

 roundish, concave. Stamens 12-14 ; filaments free, equal, on 

 the torus; anthers oblong. — Female: Calyx and corolla of 

 male. Ovary 3-celled ; styles 3, short, 2-fid, recurved. Capsule 

 3-angled, glabrous, 8-celled ; cells 1-secded. — Son J. in Linn. 

 xxiii. j9. 120 ; Baill. Euph. p. 392; DC. I. c.p. 1129 (Gelonium). 



C. Africanus, Sond., the only species, is a ti'ee, with opposite, obovate, 

 glabrous, crenate-dcntate leaves, and greenish, axillary flowers ; the males 

 tufted, the female solitary. — It is found in the Eastern district and all 

 Natal. 



7. MAPPA, A. Juss. 



Flowers dioecious or monoecious. — Male : Calyx 2-3- (or 5-) 

 parted, valvate in bud. Corolla 0. Stamens 2-12 ; filaments 

 free or united at base ; anthers globose. — Female : Calyx cir- 

 cling the base of ovary like a cup, the margin ii-regularly 2-3- 

 fid or entire. Corolla 0. Ovary compressed, 2-celled, pubes- 

 cent or echiuate ; cells 1-ovuled ; style 2-parted, the branches 

 long, divergent, reflexed, plumose witliin. Capsule 2-celled, 

 bristly or smooth. — Endl. Gen. ;2.5788 ; Baill. Euph. p. 428. t. 

 20. / 1-7 ; DC. I. c. p. 991 (Macaranga, sect. 3, Mappa). 



Trees or shrubs, with alternate, long-petioled, roundish or peltate leaves 

 of large size, deciduous stipules, and axillary, simple or branched, bracteato 



