Paiveusa. | CXXII. EUPHORBIACEA (HUTCHINSON). 627 
with the lobes of the disk, glabrous ; anther-cells distinct, densely beset 
with minute papille. Disk thick and fleshy, obconic, pilose on the top. 
Female flowers pedicellate, solitary or subfasciculate at the ends of the 
branches; pedicels very stout, fulvous-tomentose, about 2 lin. long. 
Calyx a little larger than in the male, tribracteate at the base. Disk 
annular, pubescent. Ovary obovoid, fulvous-tomentose; stigmas 2, 
sessile, reniform or slightly lobed. Fruit (immature) obovoid or sub- 
globose, about # in. long and 4-3 in. in diam., densely pubescent ; 
stigmas persistent. Seeds much compressed; testa membranous.— 
Welw. in Trans. Linn. Soc. xxvii. 21, t. 7; Paxin Engl. Hochgebirgsfl. 
Trop. Afr, 282; Hiern in Cat. Afr. Pl. Welw. i. 963; Pax in Baum, 
Kunene-Samb. Exped. 282. 
Lower Guinea. Anyola: dry places in forests between Lopollo and the River 
Monino, Welwitsch, 452! Malange district, Gossweiler, 987! 995! 999! between 
Bandeira and Cunene, Gossweiler, 2218! Luasenha River, Kubango River, Goss- 
weiler, 3963! between Kubango River and Kassinga, 4200 ft., Baum, 919! 
15. MEGABARIA, Pierre ex Hutchinson in Kew Bulletin, 
1910, 56. 
Flowers diwcious. Petals present. Male flowers: Sepals 5, imbricate. 
Petals 5, inserted below the disk. Disk-glands 5. Stamens 5, opposite 
the sepals, inserted between the disk-glands ; filaments free ; anther-cells 
distinet, parallel, dehiscing longitudinally. Rudimentary ovary obconic, 
flattened above. Female flowers: Sepals and petals as in the male. 
Disk shortly cupular, undulately lobed. Ovary 3-celled; stigmas 3, 
reflexed, entire ; ovules 2 in each cell. Capsule ellipsoid, entire, locu- 
licidal, leaving a persistent columella ; exocarp crustaceous ; endocarp 
thin and horny. Seeds ellipsoid; testa composed of three layers, 
exterior (epidermis) red or reddish-brown, shining, intermediate white, 
Spongy, interior crustaceous; albumen scanty; embryo straight ; 
cotyledons flat and broad.—Trees. Leaves alternate, lax or crowded, 
petiolate, entire, penninerved. Panicles terminal, crowded at the apices 
of the branchlets. 
Species 2, endemic. 
Inflorescence hairy 2 : : 3 : ~ 1. MM. Priilesi. 
Inflorescence glabrous. : . 5 5 . 2. M. ugandensis. 
l. M. Trillesii, Pierre ex Hutchinson in Kew Bulletin, 1910, 57. 
A tree; branchlets terete, glabrous. Leaves obovate or elliptic, obtuse or 
rounded, obtusely cuneate or rounded at the base, 34-7 in. long, 14-4} in. 
broad, rigidly chartaceous or thinly coriaceous, glabrous and rather 
dull on both surfaces ; lateral nerves 6-8 on each side, arcuate, branched 
hear the margin, distinct but not raised on the upper surface, prominent 
low ; tertiary nerves reticulate, veins distinct on both surfaces; petiole 
1-34 in. long, glabrous, usually thickened and wrinkled at the apex; 
Stipules small. Male inflorescences in a terminal cluster surrounded by 
‘everal leaves, each consisting of a raceme or panicle of sprkes ; axis of each 
inflorescence rather stout, up to 34 in. long, suleate, densely puberulous ; 
