802 CXXII, EUPHORBIACE# (HUTCHINSON). [ Cluytia. 
broad.—Shrubs or undershrubs, rarely climbers. Leaves alternate, 
entire, mostly small (especially in the South African species). Flowers 
small, the males pedicellate in axillary fascicles, the females often solitary 
and with longer pedicels. 
Species about 57, mostly South African, a few occurring in Arabia. 
Stems simple or subsimple, arising from a woody many- 
headed rhizome. 
Leaves glabrous. 
Male pedicel 1 lin. long or less, pubescent : . 1. C. benguelensis. 
Male pedicel 3-6 lin. long, glabrous. 
Leaves suborbicular or broadly elliptic, rounded 
at the base, densely pustulate below; male aa 
cel 4 in. long : . 2. C. monticola. 
Leaves oblanceolate or obovate-elliptic, narrowed 
to the base, usually about 4 in. broad, not 
pustulate below ; male sedicel’” about din. long 3. C, Stuhlmanni, 
Leaves narrowly oblanceolate, about 2 in. broad, 
pustulate below, with recurved cartilaginous 
margins; male pedicel about } in. long . . 4. C. stelleroides. 
Leaves rather densely adpressed-pilose : . 5. C. tnyangensis. 
Stems more or less branched, not from a rhizome ; shrubs 
or climbers. 
Leaves crowded and overlapping, subsessile, rather 
deeply emarginate ; flowers monecious : . 6. C. conferta. 
Leaves usually more or less laxly arranged, not or very 
slightly emarginate. : 
Flowers moneecious ; leaves narrowly lanceolate . 7. C. kamerunica. 
Flowers diccious. 
Male petals with a solitary gland within the base 
of each. : 
Leaves more or less ovate, rounded at the base 8. C. W. hytet. 
Leaves never ovate, mostly narrowed to the base, 
or if somewhat rounded then oblong or 
oblong-elliptic. 
Male pedicel very slender, about 3 lin. long, 
glabrous or nearly so. 
Branches yellowish- or greyish-tomentel- 
lous ; female pedicel almost capillary . 
Branches glabrous or nearly so; female 
pedicel stouter . : 
Male pedicel stouter, 14 i. long or r less, 
glabrous or hairy. 
9. C. pedicellaris. 
10. C. abyssinica. 
11. C. mollis. 
Leaves petiolate, membranous . ° - li 
Leaves subsessile, subchartaceous =. . 12. C. rotundifolia. 
Male petals with 2 or more glands within the base 
of each. 
Stems climbing (always ?); lateral nerves of 
the leaves invisible or nearly so. ie 
Ovary tomentose ‘ ‘ i . . 13. C. volubilis. 
Ovary glabrous . . . 14, C. gracilis. 
Stems never climbing ; lateral nerves at the 
leaves usually distinct. -. 
Leaves small, usually less than] in. long” - 15. C. Paxw. 
Leaves usually more than 2 in. long. 
