860 CXXII. EUPHORBIACEZ (PRAIN). [ Erythrococea. 
base rounded, margin crenate, 3-4 in. long, | in. wide, pale green, 
glabrous; petiole 4-3 in. long, pubescent; stipules accrescent, very 
strongly spinescent. Flowers minute, in short-peduncled- narrow 
spike-like racemes; peduncles } in. long and rhachis up to 4 in. long, 
sparingly pubescent; pedicels glabrous, ;', in. long, solitary. Male 
calyx green, pubescent at the apex, globose in bud; lobes 4, mem- 
branous, divided beyond the middle ; tube wide campanulate. Stamens 
J; outer 5, the rest central ; filaments longer than the anthers; glands 
relatively large, as long as the filaments, hirsute, ovoid-oblong, 10 outer 
in an extra-staminal ring, the rest inter-staminal. Female calyx 
smaller than the male, 3-lobed ; lobes ciliate. Ovary glabrous, 3-celled ; 
stigmas ‘free, linear, patulous, fimbriate-laciniate throughout. Disk 
replaced by 3 staminodes with stout subcylindric-clavate filaments, 
each with 2 erect non-polliniferous anther-cells surrounded by an extra- 
staminodial ring of 5 free or slightly connate glands, hirsute at the tip. 
Capsule 3-coccous or (by abortion) 2-coccous, didymous or occasionally 
l-coccous; cocci } in. across. Seed with a red aril and a finely 
foveolate-reticulate testa.—Prain in Ann. Bot. xxv. 615. Poggeophyton 
aculeatum, Pax in Engl. Jahrb. xix. 89; Durand & Schinz, Etudes FI. 
Congo, 245; Engl. in Sitz. Preuss. Akad. Wiss. xxxviii. (1908) 829; 
Th. & Hél. Durand, Syll. Fl. Congol. 490, 656. 
South Central. Belgian Congo: Lualaba-Kasai district; on the Lulua 
River, Pogge, 1370! 
An interesting plant owing to the presence of a double disk in the female flower. 
The male flowers are borne on the lower part of the female rhachises, but are solitary 
like the female ones. The hypogynous scales of other species are replaced by 
staminodes ; these staminodes are surrounded by an extra-staminodial ring of disk- 
glands corresponding to the extra-staminal ring of glands in the male flower. The 
fact that the female inflorescence is abnormal in having male flowers suggests that 
the female flower may also be abnormal in having staminodes instead of hypogynons 
scales, and in having an extra-staminodial ring of receptacular glands of the 
male type. Except that the leaves are crenate, not denticulate, and that the 
stamens are 9 in place of 12, this species (apart from the disk) hardly differs 
from E. subspicata. 
15. E. Menyharthii, Prain in Ann. Bot. xxv. 616. sit? 
3-10 ft. high ; twigs softly silky ; bud-scales persistent. Leaves short- 
petioled, membranous, ovate or lanceolate, acute or narrow-obtuse, base 
cuneate or rounded, margin sparingly toothed, 4-2 in. long, + 
wide, pale green, softly pubescent ; petiole pubescent, y'5-% in. ~~ 
stipules accrescent, umbonate or spinulose. Flowers minute, 1m sho , 
peduncled racemes ; peduncles and rhachis silky ; males many-flowered 
females 2~4-flowered ; pedicels silky, males } in. long, jointed ne 
clustered ; females shorter, solitary. Male calyx pale green, § : 
conical in bud; lobes 4—5, lanceolate. Stamens 2-5, all ge ; 
filaments longer than the anthers; glands minute, glabrous, aks: a 
all in an extra-staminal ring. Female calyx silky, 2—4-partite. a 
densely strigose, 3-celled, less often 2-celled ; stigmas free, aa 
patulous, fimbriate-laciniate throughout. Disk of 3 or 2 subcylin . 
clavate scales, longer than the calyx-lobes, with sometimes a few sm 
