Erythrococea. | CXXII, EUPHORBIACEH (PRAIN). 
Ovary glabrous or nearly so; stamens 
9-15 ; glands all inter-staminal 
Ovary densely strigose ; stamens 12; extra- 
staminal ring usually complete . 
Peduncles and rhachises of glomerules 
glabrous; leaves thinly membranous; 
ovary (where known) glabrous. 
Peduncles 4—} in. long; stamens 15 or 18 
or 21; extra-staminal ring usually 
imperfect x 5 é . . 
Peduncles sometimes 3 in. long, rhachis 
often prolonged and with a smaller 
second terminal glomerulus ; stamens 
10-12; extra-staminal ring complete, 
its glands often somewhat connate 
ttFlowers in axillary racemes, 
§Stipules accrescent and more or less modified 
into mammille 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, mammiilate or 
conical, ;}5 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 seas hir- 
sute; petiole distinct 
Male calyx 4- (rarely 5-) lobed ; male 
peduncles pubescent ; receptacular 
glands glabrous; petiole very short 
Stipularspines conspicuous, broad-based and 
pungent, 1-} 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 6-11 ; 
ovary strigose ; ny earaon scales 
flattened. : 
Racemes spike-like as long as ihe leaves 
ovary glabrous. 
Hypogynous scales flattened; the 
spaces between them without in- 
tercalary scales. 
Leaves thinly membranous, margins 
denticulate; petiole 1-3 in. 
long ; stamens 12 
VOL, VI.—SECT, 1 
4. H. rigidifolia, 
5. H. olacifolia, 
6. #. Pazxii. 
7. H. Fischeri. 
8. H. abyssinica. 
9. EL. usambarica. 
. 10. EB, zambesiaca. 
ll. Z. aculeata, 
. 12. H. subspicata, 
oI 
