Monadenium. | CXXII, EUPHORBIACEZ (BROWN). 455 
green. Bract-cup }-} in. long, 4-3 in. in diam., with the margins 
much overlapping in front, truncately rounded at the top, emarginate 
or shortly notched, with 2 slight keels down the back, light green, 
reticulated with darker veins. Involucre 2-8 lin. long, cup-like, open 
in front to below the middle, overtopping the inner lobes. Ovary with 
a double minutely crisped-toothed keel at each angle, otherwise glabrous ; 
styles 14-14 lin. long, curved upwards from the base, united for % of 
their length, bifid at the apex, with thickened orbicular stigmas. 
West Tropical Africa. Locality unknown. Described from a living plant 
sent to the Royal Botanic Gardens, Kew, by F. Sander and Co. in 1900! 
8. M. aculeolatum, Pax in Engl. Jahrb. xliii, 89. Stem annual 
from a perennial rootstock, erect, 6 in, long in the type, but probably 
much taller, very stout, 4-5 lin. thick, branching into 4—5 cymes at 
the top, thinly pubescent with short deflexed hairs (not prickles), and 
marked with alternate leaf-scars. Leaves not seen. Cymes about 
2 in. in diam., 3 times forked, on stout peduncles 14-2 in, long and 
3-} in. thick, beset with soft spreading prickles, which are entire on 
the peduncles and more or Jess branched or scabrous with minute 
points on the cyme-branches. Bract-cup oblique, $ in. long and % in. 
in diam., with the margins scarcely or not at all overlapping in front, 
truncately rounded and shortly notched at the top, densely scabrous on 
the middle part of the back and without evident keels, somewhat thick 
in texture, with inconspicuous veins and the inner surface very minutely 
papillate. Involucre 2-24 lin. long, open in front to below the middle, 
subcylindric, faintly constricted just above the middle, truncate and the 
margin inrolled at the top, not overtopping the side lobes, very minutely 
papillate outside. Ovary exserted and recurved, densely covered all 
over with filiform processes (not hairs) ; styles about 1 lin. long, united 
at the basal third, then recurved-spreading, 2-lobed at the apex, very 
minutely papillate, 
Mozamb. Distr. German East Africa; steppe near Lembeni, UAlig, 92! 
9. M. asperrimum, Pax in Engl. Jahrb. xliii. 90. Stem annual 
from a perennial rootstock, 7 in. high in the type, but probably taller, 
2-4 in. thick, glabrous, smooth, probably somewhat fleshy. Leaves 
1~13 in. long, 5-11 lin. broad or perhaps larger, narrowly oblanceolate 
to elliptic, obtuse or acute, tapering from below the middle to a sessile 
© or sometimes rounded into a very short petiole, crisped-undulate 
at the entire or scabrous margins, fleshy, glabrous on both sides, with 
a few recurved soft prickles on the midrib beneath, deciduous, Cymes 
or more at the apex of the stem on peduncles 13-3} in. long, 
2-6 times forked, 2-21 in. in diam., with the peduncles and branches 
t with soft reflexed simple or scabrous prickles, otherwise glabrous. 
ract-cup oblique, 24-3 lin. long and 4—5 lin. in diam., very broadly 
or truncately rounded at the top, shortly notched behind, open in 
front, with the margins slightly overlapping at the base, wavy 
from shrivelling 2), more or less scabrous along the margin, rather 
thin, with distinct reticulated venation, scabrous with minute blunt 
