638 CXXII. EUPHORBIACEA (HUTCHINSON). | Vapaca. 
glabrous above, puberulous below. Fruits (immature) ellipsoid, about 
1 in. long, 2? in. broad, densely pubescent with crisped hairs, crowned 
by the persistent styles —Miill. Arg. in DC. Prodr. xv. ii. 491, partly; 
Ficalho, Pl. Uteis, 249, partly; Hiern in Cat. Afr. Pl. Welw. 1. 968, 
partly; Pax in Engl. Jahrb. xxxiv. 371, partly. 
Lower Guinea. Angola: in the less dense rather dry forests between 
Lopollo and the River Monino, Welwitsch, 453! ( Q specimen only); near Lopollo, 
Welwitsch, 455! (Herb. Mus. Brit. not Herb. Kew.). Benguella: country of the 
Ganguellas and Ambuellas, Gossweiler, 3205! 3801! 
6. U. togoensis, Pax in Engl. Jahrb. xxxiv. 371, partly. A tree 
or shrub; branches glabrous, with brown bark, slightly sulcate. Leaves 
obovate, rounded at the apex, slightly cuneate or rounded at the base, 
34-5 in. long, 14-3} in. broad, thinly coriaceous or chartaceous, pilose 
on the midrib and lateral nerves below, the midrib flexuous towards the 
top and divided before reaching the apex of the leaf; lateral nerves 
7-8 on each side, slightly impressed above, prominent below, branching 
and fading near the margin; tertiary nerves conspicuous, flexuous, 
rather lax ; petiole 3-1 in. long, subterete, glabrous. Male flowers not 
known. Female flowers axillary or extra-axillary ; peduncle 4 lin. long. 
Involucral bracts very unequal, obovate or elliptic, up to 4 lin. long 
and 24 lin. broad, coriaceous, entire, glabrous. Calyx short, subentire, 
glabrous. Ovary globose, densely pubescent ; styles spreading over the 
ovary, primarily bipartite, the segments bilobed ; lobes linear, slightly 
pubescent below, glabrous above. Fruits subglobose, about 1 in. in diam., 
warted, glabrescent; fruit stalk stout, 4-3 in. long. Pyrenes yellow, 
oblong-ovate, pointed, about 7 lin. long, with 2 grooves on the back.— 
U. Chevaliert, Beille in Bull. Soc. Bot. France, lv. Mém. viii, 68. 
Upper Guinea. Sierra Leone: in forest on the edge of a precipice, Mount 
Gonkwi, Talla, Scott-Elliot, 4828! French Guinea: Futa-Jallon; high plateaux 
between Bitinn and Biaguissa, Chevalier, 12670 ! between Kala and Dalaba, Chevalier, 
13477 ! 
7. U. Staudtii, Pax in Engl. Jahrb. xxiii.522. A tree, 35-90 ft. 
high ; branchlets stout, glabrous, about 3 lin. in diam. near the apex. 
Leaves elongate-obovate, very shortly acuminate, much attenuated to 
the base, acumen up to 4 in. long, 9-14 in, long, 3-5} in. broad, thinly 
coriaceous, glabrous and dull on both surfaces ; lateral nerves 11-14 on 
each side, diverging at an angle of 45°, gradually fading away near 
the margin, inconspicuous above, prominent below; tertiary nerves and 
veins very fine and scarcely visible; petiole 1-3 in. long, swollen at the 
apex, terete, 1} lin. in diam., finely suleate, glabrescent. Male flower- 
heads crowded at the ends of the branches: peduncles minutely rusty- 
puberulous, 3-1} in. long. Bracts of the involucre about 8, oblanceolate 
to obovate, $—3 in. long, 2-4 lin. broad, coriaceous, glabrous. Calyx-tube 
entire or only very slightly lobed, glabrous. Stamens 9; filaments 
glabrous, one often much elongated. Rudimentary ovary thick, ise ’ 
rather shortly and irregularly lobed at the apex, glabrous. Female 
flowers not known.—Pax in Engl. Jahrb. xxxiv. 371. 
