626 CXXII, EUPHORBIACEA (PRAIN). | Aristogeitoma. 
often solitary by abortion in each coccus, ovoid; testa crustaceous, 
shining.—A tree. Leaves alternate, 1-foliolate or digitately 2—3-felio- 
late, long-petioled ; leaflets sessile, entire, coriaceous, penninerved ; 
stipules distinct, subulate. Flowers in small fascicles on old wood in 
axils of fallen leaves, 
A single endemic species. 
1. A. limoniifolia, Prain in Kew Bulletin, 1908, 438. <A tree; 
young shoots puberulous. Leaves petioled, of very unequal size, 2-3- 
foliolate or often 1-foliolate; leaflets ovate-lanceolate, acute, entire, 
cuneate at the base, sessile, 14-3 in. long, $-14 in. bread, coriaceous, 
glabrous, with a distinct midrib and 8-12 pairs of faint secondary nerves ; 
stipules subulate, } in. long. Male flowers: Calyx-lobes puberulous, 
triangular, acute. Female flowers: Calyx-lobes puberulous, ovate, 
shortly acuminate. Fascicles and flowers small. Capsule 4 in. long 
and as much across. Seed } in. long, } in. wide. 
Lower Guinea. Angola: Loanda, Gossweiler, 457 ! 
14, PAIVASUSA, Welw. ex Benth. et Hook. f. Gen. PI. 1. 993. 
Flowers diecious. Petals absent. Male flowers : Calyx unequally 
6-8-lobed ; lobes imbricate. Stamens 6-8, inserted around a thick 
fleshy disk ; filaments glabrous, free; anther-cells distinct, minutely 
papillose, dehiscing longitudinally. Rudimentary ovary absent or very 
small, Female flowers: Calyx asin the male. Disk annular, sbort, 
pubescent. Ovary ovoid or obovoid, 2-celled; stigmas 2, reniform ; 
ovules 2 in each cell, attached near the apex of the cells, pendulous. 
Fruit obovoid, shortly stipitate, terminated by the persistent stigmas, 
more or less imperfectly 2-celled ; cells 1-2-seeded.—A small tree with 
tubercled branches. Leaves alternate, petiolate, digitately 5-7-foliolate ; 
leaflets sessile, entire. Male flowers in dense axillary pedunculate 
clusters ; females solitary or subfasciculate at the ends of the branches. 
Monotypic, endemic. 
1, P. dactylophylla, Welw. ex Oliv. Fl. Trop. Afr. }- 328. e 
resinous tree, 8-30 ft. high ; trunk erect, straight, 2~6 in, in diam. # 
the base (Welwitsch); branches and branchlets somewhat tortuous, 
very rigid, patent, tubercled and rough with the scars of fallen she 
rufous-tomentose when young. Leaves alternate, often faacncaiey ee 
the ends of the branches; leaflets usually 5, rarely more, subecrstity 
oblanceolate or obovate-oblong, obtuse and often emarginate, acute a 
the base, up to 6 in. long and 2} in. broad, thinly coriaceous, cover 
with crisp short pubescence, at length glabrous and shining, tomentose 
below ; lateral nerves 9-13 on each side, somewhat rowed saeco 
petiole 2-4 in. long, shortly tomentose, or at length glabrescent. Be - 
flowers in dense axillary pedunculate clusters; bracts oblong, 0” a - 
tomentose: Calyx-lobes 6-8, often unequal, oblong, obtuse, Tus # 
tomentose on the outside. Stamens 6-8; filaments free, alterna 
ose 
