Sapium. | CXXU. EUPHORBIACEX (PRAIN). 1015 
Kimuenza, Gillet, 1653! Sanda, Oddon, 3581! Kwango district; Dyuma Valley, 
Gentil! Kimpaka, Vanderyst ! Madibi, Sapin! and without precise localities, 
Allard, 333! Jespersen! Angola: Lunda, Malange, Buchner, 151! Marques, 
205! Gossweiler, 968! 985! Chimbang, Buchner, 512! 
South Central. Belgian Congo: Lake Leopold II. district ; Ibali, Laurent ! 
Kutu, Laurent! near Lake Leopold IL, Body! Kasai; Lusambo, Laurent! 
Lukombi, Sapin! Lubi, Sapin! Bena-Makima, Sapin! Bienge, Sapin, C26! 
Kaboko-Komba, D’Obbilam! Mukenge, Pogge, 1385! 1407! 1411! 1416! 
Very nearly allied to and possibly not specifically distinct from S. oblongifolium, 
Pax. The ample material preserved in the Brussels herbarium shows that 
S. cornutum as originally described by Pax passes insensibly into the form dis- 
tinguished as var. coriaceum, and that these in turn are identical both with S. Pogget 
and with &. xylocarpum, and its var. lineolatum, Pax, In Engler’s Pflanzenreich, 
Euphorb.- Hippoman. figure 464A, inadvertently cited as the fruit of a, genuinum is 
in reality that of y, Poggei. The fruit figured is immature; the full grown fruit 
is as described under SN. zylocarpum, var. lineolatum, Pax, and as figured under 
fig. 468, though us a rule the horns on the valves of the cocci are larger than in the 
fruit there figured. 
8. S. oblongifolium, Pax in Engl. Jahrb. xix. 114, in obs. A small 
shrub, everywhere glabrous; rootstock rather slender, ascending or 
orizontal ; stems several from the crown of the rootstock, slender, woody, 
simple or sparingly branched, perulate at and above the base ; scales coria- 
ceous, oblong, obtuse. Leaves shortly petioled, at first membranous, soon 
firmly papery, ovate or ovate-lanceolate or lanceolate, obtuse or sub- 
acute, base subcordate or rounded or shortly wide-cuneate, minutely 
auriculate-cordate but not glandular at the point of junction with the 
petiole, margin entire or obscurely toothed, 13-3 in. long, 4-1} in. wide, 
medium to dark green above, paler beneath; lateral nerves 9-10 on 
each side, secondary reticulation distinct; petiole stout, 4-4 in. long, 
channelled above; stipules linear-lanceolate, }-} in. long, deciduous. 
Spikes terminal on the twigs, 1}-2} in. long, appearing after 
the leaves, with many rather lax shortly pedicelled male flowers 
above and usually a solitary distinctly pedicelled basal female flower, 
occasionally female flowers 2 or 0; male bracts short, wide, somewhat 
distinctly 3-lobed, denticulate, 2-glandular at the base, each 3-5- 
flowered ; female bracts 1-fowered, 3-lobed; male pedicels distinctly 
articulate, slightly exceeding the bracts ; female pedicel 4 in. long. 
Male : Calyx 3-partite; lobes triangular, denticulate, somewhat un- 
equal. Stamens 3, shortly exserted. Female: Calyx deeply 3-sect ; 
lobes denticulate, with either a gland or a small ligule at each sinus. 
Ovary glabrous, with 2 long lanceolate horns on the back of each carpel ; 
styles 3, shortly connate at the base. Capsule deeply 3-dymous, when 
fully ripe ? in. across, with a thin smooth or reticulately wrinkled epicarp 
and a very thick woody endocarp, breaking up rather tardily into three 
2-valved cocci, each coccus with a triangular winged appendage about 
¢ in. long. Seedsrather wide-ovoid, smooth, dark brown.— Pax in Engl. 
Pflanzenr, Euphorb.-Hippoman. 247. S. suffruticoswm, Pax in Baum, 
Kunene-Samb. Exped. 284, and in Engl. Pilanzenr. Euphorb.-Hippo- 
man.247. Hacecaria oblongifolia, Miill. Arg. in Journ. Bot. 1864, 337, 
and in DC. Prodr. xv. ii. 1214; Hiern in Cat. Afr. Pl. Welw. i. 986. 
