. 958 CXXII. EUPHORBIACEA (PRAIN). [ Pycnocoma. 
obtuse, concave, densely adpressed-silky externally; pedicels slender, 
thinly puberulous, }~4 in. long, 1-3 to a bract. Male: Sepals usually 4; 
oblong-lanceolate, acute, reflexed in flower, glabrous except at the tip 
externally, fin. long. Stamens numerous; filaments slender, } in. long. 
Female: Sepals usually 4, ovate, acute, rather densely. pubescent ex- 
ternally, reflexed in flower, $ in. long. Ovary 3-celled, pubescent, each 
cell with two short triangular horns ; styles 3, sparingly hirsute, connate 
in their lower half. Capsule 38-coccous, 3-dymous, ? in. across; cocci 
2-valved, closely and finely pubescent externally, each valve with a 
projecting triangular subacute horn-like wing, 4 lin. long, 5-6 lin. deep. 
Seeds globose, brown, 4 in. across.—De Wild. & Durand, Pl. Thonner. 
Congol. 21, t. 12; De Wild. Etudes Fl. Bas- et Moyen-Congo, ii. 286; 
Th. & Hél. Durand, Syll. Fl. Congol. 498. P. trilobata, De Wild. Miss. 
FE. Laurent, 132, t. 38, and in Comp. de Kasai, Miss. Scient. 331; Th. 
& Hél. Durand, Syll. Fl. Congol. 498. P.longipes, Pax in Engl. Jahrb. 
xliii. 324. 
South Central. Belgian Congo: Equatorial Prov.; Ikelemba, Efukwa-Kombe, 
Laurent! Bangala; Mongalla, Ngali, Thonner, 95! Duchesne, 22! Likimi, 
Malchair, 82! Yambuya, on the River Aruwimi, Laurent, 1045! 1046! Mildbraed, 
3293 ! Solheid, 63! Kasai; Bolongula onthe River Sankuru, Laurent ! Illongonga, 
Sapin, Z61! Belo: Lolema, Jespersen, 9! 
4. P. cornuta, Will. Arg. in Flora, 1864, 483. Shrub, 2-6 ft. 
high ; branches slender, woody. Leaves clustered at the ends of the 
twigs, sessile, rather firmly chartaceous, oblanceolate-oblong, acute or 
acuminate, narrowed from the upper third to the very acute base, 
margin often denticulate in the upper third, 12-18 in. long, 3-4 in. 
wide, glabrous and sparingly raised-puncticulate on both surfaces. 
Racemes peduncled, from the axils of the upper leaves; rhachis usually 
rather loosely pubescent; bracts ovate, obtuse, concave, loosely grey- 
silky externally ; pedicels sparingly pubescent, slender, $-} in. long, 
1-3 to a bract. Male: Sepals 3, ovate-triangular, acute, pubescent 
externally especially towards the tip, reflexed in flower, 3 in. long. 
Stamens numerous; filaments slender, } in.long. Female: Sepals 9, 
oblong-lanceolate, acute, loosely silky externally especially in the upper 
half, reflexed in flower, } in. long. Ovary 8-celled, densely velvety, 
each cell with two long falcate dorsal horns; styles 3, rather densely 
hirsute, connate in their lower third. ‘Capsule 3-coccous, 3-dymous, 
2 in. across ; cocci 2-valved, closely finely velvety externally, each valve 
with a projecting faleate horn-like wing, 3-4 lin. long, 2 lin. deep. 
Seeds globose, brown, 4 in. across.—DC. Prodr. xv. ii. 951. 
Upper Guinea. Gold Coast: without precise locality, Farmar, 424! 
Southern Nigeria: Lagos; Abeokuta, Barter, 3385! Cameroons: Johann- 
AlbrechtshOhe, Buesgen, 49! near Majuka, Buesgen, 405! Kube, Buesgen, 535! 
Batanga, Dinklage, 996! Bodje, Ledermann, 295! 
Very closely allied to P. macrophylla, Benth., but with usually more densely 
pubescent rhachis, and apparently always raised-puncticulate leaves; the dorsal horns 
on the ovary are twice as long in this species as they are in P. macrophylla. 
