714 CXXII. EUPHORBIACEH (HUTCHINSON). | Phyllanthus. 
both surfaces, glaucous below; lateral nerves 5-7 on each side, rather 
faint; veins not visible; petiole } lin. long, glabrous; stipules lanceo- 
late-subulate, ? lin. long, glabrous. Male flowers 1-3 in the axils of 
the lower leaves, females solitary in the axils of the upper leaves, shortly 
pedicellate. Male sepals 5, small, 1-nerved, membranous, glabrous. 
Disk-glands 5, transversely elliptic, smooth and rather thin. Stamens 
3; filaments free to the base; anthers dehiscing extrorsely. Female 
sepals 5, l-seriate, elliptic, rounded at the apex, 1 lin. long, % lin. 
broad, 1-nerved with several reticulate lateral nerves, and with 
1-2 large glands on each side of the main nerve about the middle. 
Disk large and fleshy, annular, entire or slightly undulately lobed, 
glabrous. Ovary ovoid, slightly lobed, glabrous ; styles free to the base, 
bilobed ; stigma capitate. Capsule about 14 lin. in diam. Seeds much 
flattened, faintly punctate-——Miill. Arg. in DC. Prodr. xv. ii, 365; 
Hiern in Cat. Afr. Pl. Welw. i. 959. Diasperus benguelensis, O. Kuntze, 
Rev. Gen. PI. ii. 598. 
Lower Guinea. Angola: Pungo Andongo; in sandy, bushy places on the 
banks of the River Cuanza, near Candumba, Welwitsch, 3158! Bumbo; in fields, 
Welwitsch, 315! 
30. P. arvensis, Mill. Arg. in Journ. Bot. 1864, 332. Stems 
terete, glabrous; flowering branchlets short, about 14 in. long, glabrous. 
Leaves elliptic-rotundate, rounded or truncate at the apex, subcordate 
at the base, 24-4 lin. long, 14-2} lin. broad, membranous, glabrous on 
both surfaces; margins recurved; lateral nerves 5-6 on each side, 
distinct below, not visible above; petiole very short, glabrous; stipules 
subulate with’ filiform points, 1 lin. long, glabrous. Flowers dicecious, 
males solitary or in pairs. Male flowers: Sepals 5, obovate, rounded 
at the apex, 1 lin. long, 3 lin. broad, with a slender median nerve, 
glandular-membranous, glabrous. Disk-glands 5, large and flat, slightl7 
warted. Stamens 3; filaments connate; anthers dehiscing at the side. 
Female flowers not known.—Miill. Arg. in DC. Prodr. xv. ii. 405; Hiern 
in Cat. Afr. Pl. Welw. i. 959. Diasperus arvensis, O. Kuntze, Rev. 
Gen. PI. ii. 598. 
Lower Guinea. Angola: Huilla; Axtunes, 162! in vegetable fields near 
Lopcllo, Welwitsch, 313 ! 
Mozamb. Distr. British Cent:al Africa: Nyasaland; Mount Zomba, 4000- 
6000 ft., Whyte! 
31. P. microphyllinus, Miill. Arg. in Journ. Bot. 1864, 332. 
Stems very slender, elongated, probably arising from a rhizome, —_ 
2} ft. high, glabrous, terete, closely longitudinally sulcate; Jatera 
branches short, up to 13 in. long, terete, glabrous. Leaves oblong- 
elliptic, rounded at both ends or slightly narrowed towards the base, 
13-23 lin. long, 1-14 lin. broad, margin purple, glabrous on both aed 
faces, with minute black dots on the upper; lateral nerves not evident ; 
petiole } lin. long, glabrous ; stipules subulate, with purple tips, j lin. 
long. Male flowers shortly pedicellate, solitary. Sepals 9, ase : 
oblong-elliptic, rounded at the apex, 3 lin. long, 3 lin. broad, faintly 
