Euphorbia. | CXXII. EUPHORBIACE® (BROWN). 539 
were previously borne, }-} in. thick, glabrous, leafy above, naked below. 
Leaves alternate, whorled under the umbels, 1-33 in. long, 4-1 in. 
broad, lanceolate to obovate-lanceolate, acute to obtuse, mucronate, 
tapering to the petiole-like base, glabrous on both sides. Stipules none. 
Umbels terminal, with 5 or fewer slender rays $-1 in. long, each 
bearing a pair of bracts and 1 involucre. Bracts 2-3} lin. long and as 
much in breadth, broadly elliptic or suborbicular, obtuse, mucronate, 
glabrous. Involucres of the rays subsessile or very shortly peduncu- 
late, hermaphrodite, with the central one of the umbel male and on a 
peduncle 1} lin. long, somewhat funnel- or broadly cup-shaped, 13-2 lin. 
in diam., glabrous, the male with 5 and the hermaphrodite with 4 
glands and 5 usually 2-toothed lobes; glands not contiguous, peltate, 
i-1 lin. in their greater diam., broadly elliptic or suborbicular, entire. 
Ovary glabrous, at first subincluded, finally exserted on a recurved 
pedicel 14-3 lin. long; styles 1 lin. long, united at the base, then 
Spreading-ascending, bitid at the apex. Capsule about 3$ lin. in diam. 
Seeds 14-14 lin. long, ellipsoid or subglobose, irregularly tuberculate and 
wrinkled.—Pax in Engl. Pfl. Ost-Afr. C. 242. #. usambarica, sub-sp. 
elliptica, Pax in Engl. Jahrb. xxxiv. 374. #. membranacea, Pax, l.c. 
242, and in Engl. Jahrb. xxiii, 534. 
Mozamb. Distr. German East Africa: Usambara; various localities, Holst, 
60! 3318 ! Braun, 2897! Engler, 1072! 1161! 1439! 
Pairs, }~3 in. long (including the slender peduncles), about 2-flowered. 
Bracts about 3 lin, long, ovate-lanceolate, acute, ciliate. Involucres on 
Lewer Guinea. Angola: on hills, under the shade of trees in the district of 
acuaco, Gossweiler, 1536! 
