Erythrococca,] cxxii. EUPHORBiACEiB (prain). 



849 



4. E. rigidifolia. 



5. E. olacifolia. 



6. E. Paxil. 



7. E. Fischeri. 



Ovary glabrous or nearly so; staineus 



9-15; glands all inter-staininal 

 Ovary densely strigose; stamens 12; extra- 

 staminal ring usually complete . 

 Peduncles and rhachises of glomerules 

 glabrous; leaves thinly membranous; 

 ovary (where known) glabrous. 

 Peduncles \-\ in. long; stamens 15 or 18 

 or 21 ; extra-staminal ring usually 

 imperfect ..... 

 Peduncles sometimes ^ in. long, rhachis 

 often prolonged and with a smaller 

 second terminal glomerulus ; stamens 

 10-12; extra-staminal ring complete, 

 its glands often somewhat connate . 

 JiJ; Flowers in axillary racemes. 



§ Stipules accrescent and more or less modified 

 into mammillae or thorns or pungent spines. 

 Male flowers with both inter-staminal glands 

 and an extra-staminal ring; leaves 

 glabrous or nearly so. 

 Stipular spines small, mammillate or 

 conical, ji^ in. long or less; stamens 

 6-8; ovary glabrous; hypogynous 

 scales flattened ; racemes shorter than 

 the leaves. 

 Male calyx 3-lobed; male peduncles 

 glabrous; receptacular glands hir- 

 sute; petiole distinct . 

 Male calyx 4- (rarely 5-) lobed ; male 

 peduncles pubescent ; receptacular 

 glands glabrous ; petiole very short 

 Stipular spines conspicuous, broad-based and 

 pungent, |-^ in! long ; receptacular 

 glands hirsute. 

 Racemes much shorter than the leaves. 

 Calyx partite .nearly to the base; 

 male pedicels jointed close to the 

 bracteoles; glands flat, shorter 

 than filaments; stamens 15-18 ; 

 ovary not seen 

 Calyx partite only to the middle; 

 male pedicels jointed well above 

 the bracteoles; glands rhomboid, 

 as long as stamens ; stamens 6-1 1 ; 

 ovary strigose ; hypogynous scales 

 flattened ..... 

 Racemes spike-like as long as the leaves ; 

 ovary glabrous. 

 Hypogynous scales flattened; the 

 spaces between them without in- 

 tercalary scales. 

 Leaves thinly membranous, margins 

 denticulate; petiole ^-^ in. 

 long; stamens 12 . . 12. B. subgpieata. 



VOL. VI. — SECT, I 2 E 



8. E. abi/ssi'nica. 



9. E. usambarica. 



. 10. E, zambesiaca. 



11. E. aculeata. 



