868 CXXII. EUPHORBIACE& (PRAIN). [ Zrythrococea. 
2-celled; stigmas connate at the base, ovate-lanceolate, divaricate, 
smooth. Disk urceolate, shallowly widely 2-lobed. Capsule and seeds 
not seen.—Claoaxylon rivulare, Mill. Arg. in Flora, 1864, 518, and in 
DC. Prodr. xv. ii. 777. Chloropatane africana, Engl. Jahrb. xxvi. 383; 
Perkins and Gilg in Engl. Pflanzenr. Monim. 24, fig. 4, M-R; C. H. 
Wright in Dyer, Fl. Trop. Afr. vi. i. 169. 
Upper Guinea. Cameroons: Great Batanga, Dinklage, 1057! Yaunde, 
Zenker, 494, 798 (fide Engler). 
Lower Guinea. Spanish Guinea: Mount John, Kongui River, Mann, 1785! 
A very distinct species. We have not seen the specimens collected by Zenker at 
Yaunde which bear the numbers quoted by Engler, who, since p. 169 of this volume 
was printed, has in Herb. Berlin reduced the genus Chloropatane to Claoxylon as 
understood by Miiller. 
31. E. welwitschiana, Prain in Ann. Bot. xxv. 622. Shrub 
4-15 ft. high; twigs glabrous; bud-scales persistent. Leaves short- 
petioled, membranous, narrow-oblong or elliptic, acuminate, base 
cuneate, margin remotely and shortly denticulate, 4—6 in. long, 2-8 in. 
wide, dark green, paler beneath, glabrous above, beneath sparingly 
adpressed-pubescent on the nerves, soon glabrous, minutely verrucose ; 
petiole sparingly adpressed-pubescent, 4 in. long ; stipules unmodified, 
hyaline-scarious, minute. Flowers small, in peduncled racemes; 
peduncles slender, sparingly adpressed-pubescent, males ? in., females 
1} in. long ; pedicels glabrous, males 4-2 in., females } in. long. Male 
calyx pale green, glabrous, globose in bud ; lobes 4, thinly membranous. 
Stamens 30; outer 10, the rest central; filaments much shorter than 
the anthers; glands minute, hirsute, rhomboid, all inter-staminal. 
Female calyx 2-3-lobed. Ovary glabrous, 2- (rarely 3-) celled; stigmas 
minute, suborbicular, suberect, smooth, at the apex of a thick columnar 
obovoid style 3-4 times as long as themselves. Disk shallow-urceolate, 
with 2 minute lobes. Capsule 2-coccous, didymous, crowned by the 
columnar style ; cocci } in. across. Seed with a scarlet aril, and slightly 
foveolate-reticulate testa—Claoxylon welwitschianum, Miill. Arg. | in 
Journ. Bot. 1864, 333, and in DC. Prodr. xv. ii. 776; Hiern in Cat. 
Afr. Pl. Welw. i. 975. C. africanum, De Wild. Etudes Fl. Bas- et 
Moyen-Congo, ii. 279, as to Sapin’s Sankuru specimens only ; Comp. 
de Kasai, Miss. Scient. 330; not of Miill. Arg. C/loropatane Batesu, 
C. H. Wright in Dyer, Fl. Trop. Afr. vi. i. 169, and in Kew Bulletin, 
1909, 214. Autrandra racemosa, Pierre MSS. 
Upper Guinea. Cameroons: Efulen, Bates, 409! Bipindi, 500-600 ft. 
Zenker, 1908! 2049! 2610! 2910! 2925! 3773! 3912! 4195! 4237! 
Lower Guinea. Spanish Guinea: Bebai, Tessmann, 555! Nkoleneeyt 
Tessmann, 296! Gaboon: near Libreville, Autran, 6442! Klaine, 605 ! 135 ; 
1425! 1521! 1672! 1976! 2976! Angola: Golungo Alto, on the Zuenza River, 
Welwitsch, 397! Gossweiler, 4412! Serra do Alta Queta, Welwitsch, 398 ! - 
South Central. Belgian Congo: Lualaba-Kasai district ; Sankuru, Sap" ‘ 
A very distinct species. The leaves are stated by Sapin to be used asa vegetable. 
32. E. columnaris, Prain in Ann. Bot. xxv. 622. Shrub 1sah * 
high ; twigs adpressed-pubescent ; bud-scales persistent. Leaves sno 
