640 CXXII. EUPHORBIACEX (HUTCHINSON). | Vapaca. 
slightly oblanceolate-elliptic, rounded at the apex, cuneate at the base, 
24-4} in. long, 1-2} in. broad, entire, rigidly coriaceous, glabrous, 
shining on the upper surface, dull or slightly shining below; lateral 
nerves 8-12 on each side, looped and branched towards the margin, 
slightly prominent on both surfaces ; tertiary nerves branched, slightly 
prominent or scarcely visible below ; petiole slender, subterete, about 
4 lin. in diam., }-1} in. long, glabrous. Male flowers: Peduncle 3 in. 
long, glabrous. Bracts cf the involucre elliptic or obovate, 34 lin. long, 
2 lin. broad, coriaceous, glabrous. Calyx 4-5-partite ; lobes oblong, 
obtuse, glabrous. Stamens 4-5; filaments glabrous. Rudimentary 
ovary deeply tripartite, lobes pilose on the outside. Young female 
lowers not seen. Fruits 3-celled, ovoid, with several longitudinal ribs, 
about 7 lin. long and 6 lin. in diam., glabrous, dark brown when dry.— 
Mill. Arg. in DC. Prodr. xv, ii. 491; Pax in Engl. Pfl. Ost-Afr. C. 237, 
and in Engl. Jahrb. xxxiv. 370. U. microphylla, Pax in Engl. Jahrb. 
xxii. 523. 
Lower Guinea. Angola: Malange, Teusz in Mechow, Pl. Angol., 433! on 
the road from Palacio to Catombe, Gossweiler, 956! in secondary thickets near the 
high-road to Quisange, Gossweiler, 982! on rocky situations between the rivers 
Kutchi and Kutato, Gossweiler, 3942 ! 
Mozamb. Distr. German East Africa: Langenburg, Goetze, 833! Usagara, 
Stuhlmann, 8476! and without precise locality, Holfz, 961! Rhodesia: Batoka 
Country, Kirk! Choma, Rogers, 8028! Nyasaland: Shire Highlands, Buchanan, 
254! 431! 
1l. U. guineensis, Miill. Arg. in Flora, 1864, 517. A tree 40-60 
ft. high, “with fine dark foliage”. (Barter) ; branchlets suleate, glabrous, 
rough with the sears left by the leaf-stalks. Leaves obovate, oblong- 
obovate or oblanceolate, rounded or shortly and obtusely pointed, nee: 
or less cuneate at the base, 4-13 in. long, 24-7 in. broad, thinly 
coriaceous, margins slightly undulate, glabrous and dull on both sur- 
faces ; lateral nerves 6-11 on each side, looped near the margin, prom 
nent below; tertiary nerves subparallel, distinct on the lower aay 
veins lax ; petiole usually stout, swollen at the apex, about 1 in. oe “2 
the smaller leaves, up to 5} in. in the larger ones, glabrous. : t 
flower-heads scattered towards the ends of the branches ; peduncle abou 
3 in. long, almost glabrous. Bracts of the involucre oblong gore 
orbicular, coriaceous, 1-nerved, glabrous, margins crenulate. eis 
irregularly lobed, pilose., Rudimentary ovary columnar, pilose. gee le 
flowers: Bracts of the involucre fewer and smaller than in the oe we 
Calyx shortly cupular, pilose inside. Ovary 3-celled, glabrous ; wth ‘ 
reflexed, fan-shaped, much divided, slightly pubescent outside towal 1. 
the base. Fruits stalked, 3-celled, ovoid or subglobose, aaa ye : 
diam., glabrous; pyrenes shallowly furrowed on the back —Miil , a 
in DC. Prodr. xv. ii, 490; Benth. in Hook. Ie. Pl. t. 1287; Pas ™ 
Engl. Jahrb. xxxiv. 371. U. Mole, Pax, l.c. xix. 79. U. togoens’s, ©" 
le. xxxiv. 371, partly. U. ealaensis, De Wild. in Etudes Fi. Fils 
Moyen-Congo, ii. 272, t. Ixx. figs. 5-82 U. Guignardt, regen 66. 
and U. bingervillensis, Beille in Bull. Soc. Bot. France, lv. Mém. vill. 0%. 
U. Perrotii, Beille, |.c. 67. 
