Neoboutonia. | OXXII, EUPHORBIACEX (PRAIN). 919 
clustered; bracts minute. Female flowers in less copious panicles, 
solitary. 
Species 8, all endemic. 
Flowers large for the genus (males 2} lin. wide when 
open, female calyx 5 lin. long, 8 lin. wide); male 
flowers pedicelled ; female calyx-segments lanceolate, 
longer than the tube ; pubescence of leaves confined : 
to nerves, veins and reticulations ‘ . - 1. N. macrocalyex. 
Flowers small (males only 1-1} lin. wide when open, : 
female calyx where known only 2 lin. long, 3 lin. 
wide). 
Pube-cence or scurf of leaves confined to.nerves, veins 
and reticulations; female calyx-segments where 
known triangular, shorter than the tube; male 
flowers pedicelled. 
Leaves with long white hairs as well as stellate- 
pubescence and scurf on main nerves; male 
calyx hirsute. 
Twigs and male panicles softly hirsute with long 
simple hairs A : . . . . 
Twigs and male panicles scurfy stellate-pubescent 
only. 2 : : : : ‘ . 
Leaves sparsely scurfy on nerves and veins, without 
any long simple hairs; male calyx glabrous . 4. JV. glabrescens. 
Pubescence or scurf on leaves continuous and felted 
over the whole under surface; female calyx-seg- 
ments where known lanceolate, longer than the 
tube. 
Leaves thinly membranous; male flowers pedicelled. 
Leaves above softly hirsute on the nerves with 
long white hairs; beneath softly, loosely 
velvety ; male calyx hirsute . : - 
Leaves above sparsely scurfy on the nerves; 
beneath closely firmly adpressed-scurfy ; male 
calyx glabrous. 
Filaments slender, longer than the anthers ; 
extra-staminal glands ovate, obtuse, distinct 6. WV. africana. 
Filaments broad, not exceeding the anthers; 
extra-stuminal glands lanceolate, acute, : 
very minute . . : ‘ “ . 7. WN. canescens. 
Leaves firmly membranous; male flowers sub- : 
sessile ; male calyx sparingly hi: sute or glabrous 8. NV. Melleri. 
2. N. diaguissensis. 
3. N. Manni. 
5. WV. velutina. 
1. N. macrocalyx, Pax in Engl. Jahrb. xxx. 339. _ Tree, 50-65 ft. 
high; twigs stellate-scabrous. Leaves distinctly petioled, orbicular- 
cordate, acute or obtuse, entire or somewhat undulate or crenate, 8 in. 
long, as much across, green, hoary-stellate beneath on nerves, veins and 
reticulations only, with a few scattered flat glands above, sparsely 
stellate-scurfy on nerves and reticulations; stipules lanceolate, 5 lin. 
long. Male flowers pedicelled, copiously panicled, large for the genus, 
in bud globose, 24 lin. wide when open. Calyx densely stellate-pubes- 
cent. Stamens about 30; filaments longer than the anthers ; connective 
with a single terminal gland ; extra-staminal scales oblong, truncate or 
