1000 CXXII, EUPHORBIACE® (PRAIN). | Tragia. 
the breadth of the rhachis. Ovary densely hispid and bristly : styles 3, 
glabrous, connate in their lower half in a slender column. Capsule 
3-coccous, rather sparingly bristly, 4 in. across; cocci bluntly angled on 
the back. Seeds globose, grey mottled with pale brown.—DC. Prodr. 
xv. u. 938. 
Upper Guinea. Senegambia: Albuda, in ricefields, Leprieur, 736! French 
Guinea: neighbourhood of Timbo, Maclaud, 30! Gold Coast: Salaga, Krause! 
Togo: Kekejande, 1000 ft., Kersting, A615! Kete Krechi, Zech, 301! Northern 
Nigeria: Yola, Dalziel, 157! Lokoja, Parsons, 45! Cameroons: Balda, 1250 ft. 
Ledermann, 4019! Limbameni, 1000 ft., Ledermann, 4327! 
Nearest to 7. angustifolia, Benth., and only satisfactorily distinguished by its 
smaller stature, its erect or suberect habit, its broader bracts and its shorter racemes, 
77. HAMILCOA, Prain in Kew Bulletin, 1912, 107. 
Flowers diccious, apetalous. Male: Sepals 5, imbricate. Stamens 
18; anthers subsessile, smooth, 2-celled, dehiscence longitudinal. Rudi- 
mentary ovary 0. Female: Calyx 6-partite. Disk urceolate ; ovary 
3-celled; styles thick, with 3 free stout stigmas. Fruit capsular, 
3-coccous ; cocci opening loculicidally from the base upwards; pericarp 
coriaceous. Seeds large, globose ; embryo small, cotyledons broad, flat.— 
Shrub, climbing ; leaves alternate, unequally petioled ; petioles pulvinate 
at the base and apex; flowers racemose; racemes axillary ; pedicels 
thickened. 
A single endemic species. 
1. H. Zenkeri, Prain in Kew Bulletin, 1912, 107. Shrub, climb- 
ing; stems 20-30 ft. high. Leaves nearly sessile or long-petioled on 
the same branch, ovate-oblong, caudate-acuminate, base wide-cuneate, 
margin remotely serrate, thinly coriaceous, 4-10 in. long, 1}-4 in. wide, 
somewhat shining above, glabrous on both surfaces; secondary nerves 
8-10 pairs, raised beneath, looping within the margin; petiole slightly 
pulvinate at the base, distinctly pulvinate and geniculate at the apex, 
1}-2} in. long, or at times reduced to the apical pulvinus and then only 
1-2 lin. long. Racemes axillary, 6—-8-flowered, peduncled i rae 
2-1 in., females 14 in. long; peduncles } in. long; pedicels distinctly 
thickened upwards, almost fleshy, males } in., females } in. long. 
Male: sepals 5, free, strongly imbricate, ovate-oblong, obtuse. ser 
18, almost sessile; anthers 2-celled, dehiscence longitudinal. Rudl- 
mentary ovary 0. Female: Calyx 6-partite; segments ovate, obtuse. 
Disk urceolate. Ovary 3-celled, glabrous; style thick ; stigmas 3, free 
stout. Capsule 3-celled, 4 in. across; cocci subglobose, opening loc th, 
cidally from the base. Seed large, globose, } in. across; testa eh t 
mottled externally, spongy; embryo very small, cotyledons broad, flat. 
—Plukenetia Zenkeri, Pax in Engl. Jahrb. xliii. 83. ; 
Upper Guinea. Cameroons: Bipinde; Mimfia, Zenker, 2865! 3028s, 3646 
4130! 
Tentatively referred to Plukenetia by Pax, this plant does not belong to eer 
genus but represents a distinct one, perhaps most nearly allied to Plagiostyles, Pierre» 
and Pimeleodendron, Hassk. 
