878 CXXII. EUPHORBIACE® (PRAIN). | Micrococea. 
glabrous; lateral nerves 10-12. pairs, spreading; petiole glabrous, 
2-21.in. long; stipules minute. Flowers in axillary dicecious filiform 
racemes 6-8 in. long; racemes peduncled and bearing at intervals of 
4-4 in. minute spikelets of imbricating bracteoles ; bracts minute ; brac- 
teoles very minute, orbicular, males 2—3-flowered, females 1-flowered ; 
peduncles- 14-2 in. long and rhachis glabrous ; pedicels capillary, glab- 
rous, in. long. Male calyx green, glabrous, globose with a minute 
apiculus in bud; lobes 3, dividing nearly to the base. Stamens 30; 
filaments short; inter-staminal glands 0. Female calyx 3-lobed; lobes 
triangular, obtuse, very short. Ovary sparingly hispid with short hairs, 
3-celled ; stigmas 3, sessilé, linear, plumosely fimbriate from the base. 
Disk of 3 free short broad scales alternating with the cells. Ripe fruit 
not seen.—Claoxylon Holstii, Pax in Engl. Jahrb. xxxiv. 372. 
Mozamb. Distr. German East Africa: East Usambara,-near Amani, 2800 ft., 
Engler, 611! near Gonja, Holst, 4261! i 
3. M. scariosa, Prain in Kew Bulletin, 1912, 192. Shrub 4-7 ft. 
high; twigs reddish-brown, glabrous.’ Leaves short-petioled, rather firmly 
membranous, ovate-oblorig, acute or shortly acuminate, base rounded, 
2-glandular, margin remotely crenate-toothed or nearly entire, 3-5 in. 
long, 14-2} in. wide, rathér pale green especially beneath, glabrous on 
both surfaces;. lateral nerves 5-6 pairs, ascending; petiole glabrous, 
4-4 in. long; stipules subulate, 24 lin. long. Flowers in lateral dicecious 
filiform spikes, leaf-opposed or on nodes below the leaves, 2-6 in. long ; 
rhachis green, faintly trigonous, rather rigid, glabrous; bracts rigid, 
lanceolate, 1-3 lin. apart; bracteoles of male racemes scarious, numerous 
to each bract, enveloping the pedicels of the numerous flowers which 
open singly and quickly disarticulate and disappear, bracteoles of female 
racemes 2 to a bract, subtending solitary flowers; pedicels articulate, 
of male flowers 1 lin. long, flattened below the joint with their angles 
minutely ciliolate, of female flowers ultimately 2 lin. long. Male calyx 
white, glabrous, ovoid-globose in bud; lobes 2-3, dividing half-way or 
rather lower. Stamens 21-24; filaments rather long, free, glabrous, 
mixed with as many ovoid receptacular glands, hirsute at the top with 
long hairs, or glabrous. Female sepals 5, free, ovate, acute, their margins 
ciliolate, otherwise glabrous. Ovary glabrous, 3-celled ; stigmas 3, linear, 
plumosely fimbriate at the apex only. Disk of 6 free but contiguous 
short broad scales. Capsule pale straw-colour, 3-coccus ; cocci separating 
septicidally. 
Mozamb. Distr. German East Africa: Amboni, near Tanga, Sacleua, 1630 
(coll. 1897)! Mouyouni, Saclewx, 1630 (coll. 1891) ! 
4. M. Mercurialis, Benth. in Hook. Niger 1. 503. Herb, 
annual; stems simple or branching upwards, sparingly hirsute, some- 
times almost woody below, 4-2 ft. high. Leaves long-petioled, alternate 
except the very lowest, oblong or ovate or ovate-lanceolate, obtuse oF 
subacute, base cuneate or rounded, margin usually bluntly toothe® 
1-2 in. long, 4-1 in. wide, medium green, sometimes tinged witl 
purple, dull, nearly glabrous; petiole 4-3 in. long. Racemes slender, 
