^32 oxxii. EUPHORBiACEJE (prain). [Discogbjpremna. 



minute ; males clustered, females solitary along the rhachis ; pedicels 

 in both sexes articulate ; bracts minute. 

 Species 1, endemic. 



1. D. csiloneMrsiy Pram in Kew Bulletin, 1911, 817. Tree, 50-70 ft. 

 high ; twigs glabrous. Leaves petioled, firm, oblong or rounded-oblong, 

 usually shortly caudate-acuminate, base cuneate or almost rounded, 

 entire or faintly toothed, o-4 in. long, 2-2J in. wide, glabrous or with 

 a few hairs on the main nerves beneath, 3-nerved from the base ; 

 petiole lJ-2 in. long. Panicles 0-8 in. long, 3-4 in. wide. ^Vlale : 

 Calyx valvately 5-partite, less often 3-4-partite, in bud globose, J lin. 

 wide. Stamens 7-8; filaments far exserted, slender, glabrous; re- 

 ceptacular glands all inter-staminal, very variable in thickness, hirsute 

 at the apex, about twice as many as tlie filaments ; anthers dorsifixed 

 near the apex ; connective conical ; cells distinct, each unequally 2-locel- 

 late, with the smaller locellus on the inner side. Female : Calyx val- 

 vately 5-.sect; lobes reflexed. Ovary 3-celled, hirsute; styles free, 

 undivided, fimbriate on the inner face, recurved-.spreading ; ovules in 

 each cell solitary. Disk of (5-8 lar^^e ovate obtuse thick scales, hirsute at 

 the margin and on upper side. Capsule 3-coccous, sparingly hairy ; cocci 

 2-valved. Seeds ovoid, completely enveloped in a thick pulpy aril ; 

 testa very hard and thick, black, .somewhat polished, foveolate ; tegmen 

 grey, distinct ; albumen fleshy ; cotyledons suborbicular, slightly cor- 

 date at the base. — Alchornea C(donenra, Pax in Engl. Jahrb. xliii. 81. 



Upper Guinea. Ivory Coast: Potou Lagoon; Aiiyania, Chevalier, 20019! 

 Gold Coast: Ancobra Ww^iv, Johnson, ^\\)\ Ksnliunipaiifr, Chipp, 100! St)utliern 

 Nipferia: 70 iniles east of Lagos, Xa»jior7i, 123! Cauieroons : Bipinde, Zenker, 

 2113 ! 2643 ! 3322 ! 



Xiower Guinea. Spanisli Guinea : Xkolentangan, Tessmann, 97 ! Bebao, 

 Tessmann, 702 ! 



(58. MACARANGA, Thouars; Benth. et Hook. f. Cen. 

 PI. iii. 320. 



Flowers dioecious, rarely monopcious, apetalous. ]\Iale : Calyx 

 globose, closed in bud, splitting into 3-4 valvate lobes. Stamens some- 

 times few (1-3), often numerous (l()-30); filaments short, free, very 

 rarely united or as if branched ; anthers short, terminal, usually 4-celled, 

 4-valved, sometimes 3-celled, 3-valved, rarely 2-celled. Rudimentary 

 ovary 0. Female : Calyx truncate or shortly toothed, ultimately wide- 

 cupular or obliquely spathaceous. Ovary 2-3- (rarely 4-1)-) celled ; 

 styles short, stout, entire, free or slightly united at the base ; rarely 

 long, slender or united in a globose mass; ovules in each cell solitary. 

 Disk 0. Capsule breaking up into 2-valved cocci or occasionally, when 

 1 -chambered, almost indehiscent. Seeds globose; testa crustaceous ; 

 albumen fleshy ; cotyledons broad, flat. — Trees or shrubs. Leaves 

 alternate, petioled, simple or lobed, base often palminerved and some- 

 times peltate, sometimes penninerved. Spikes or racemes axillary or 

 lateral or sometimes forming a terminal panicle ; male flowers small, 



