452 CXXII, EUPHORBIACEH (BROWN). [ Monadenivm, 
Leaves 3-4 in. long; bracts 3 in. 
long, with overlapping margins 16, J1/. Kessnert, 
_ Leaves 2-2) in. long; bracts 
1_1 in. long, not overlapping 
at the margins, : . 18, WW. herbaceum. 
Leaves up to 1} in. long, linear ; 
bracts ovate, acute : . 22. WM. Descampsit. 
Bracts united behind at the base or 
nearly to the top into an 
oblique 2-lobed cup, free to 
the base in front; leaves ?-1? 
in. long. 
Leaves not much longer than 
broad; involucre 2-23 lin. 
ine oy : : . 17. MW. invenustum. 
Leaves 2-3 times as long as 
broad ; involucre 14-1} lin. 
long. 
Bract-cup about 4 lin. long; 
involucre puberulous out- 
side . : : é . 19, IW. Gossweileri. 
Bract-cup 24 lin. long; in- 
volucre glabrous ; . 20. M. fwambense, 
1. M. Lugardz, V. £. Br. in Kew Bulletin, 1909, 138. Stems 
perennial, succulent, 3-2 ft. high, 3-14 in. thick, simple or branching 
at the base, cylindric, with rather large diamond-shaped tessellations, 
searcely forming tubercles, glabrous. Leaves in a small tuft at the tips 
or spaced along the upper part of the stems, 2-23 in. long, }-1} i. 
broad, obovate, obtuse or subacute, tapering below to a subsessile base 
or into a very short broad petiole, finely crisped-crenulate or scabrous 
on the margins, somewhat harshly puberulous on both sides, green, 
falling before the flowers and fruit fully develop, or persistent under 
cultivation. Stipules of 3-5 minute spines, }-3 lin. long, around the 
lower side of the base of the leaf, evanescent. Cymes at first 4-9 es 
long with 1 involucre, ultimately 4-3 in. long and } in. broad with 
3 involucres, axillary, nodding, after the fall of the leaves forming 4 
small cluster at the apex of the stem, but in cultivated plants some- 
times spaced along the stem ; peduncles 1-3 lin. long, stout, branches 
of the cyme very much shorter. Bract-cup oblique, 3-34 lin. long; 
24-3 lin. in diam., shortly and obtusely bifid at the apex, open, with 
the margins separated in front, flattish on the back, with obtuse angles 
at the sides when alive, 2-keeled down the back when dried, minutely 
puberulous, green, not reticulated. Involucre equalling or overtopping 
the bract-cup, 2-3 lin. long, cup-like, open to half-way down in front, 
overtopping the fringe-toothed subquadrate inner lobes, glabrous, 
greenish outside, with the margin or margin and inner surface yellowish 
to orange-brown. Ovary and capsule exserted and reflexed, 3-angled, 
with 2 narrow. minutely crisp-toothed wings along each angle, minutely 
puberulous, with a perianth of 3 deltoid acute lobes } lin. long at its base ; 
styles free, bifid at the apex or to half-way down; stigmas somewhat 
thickened. Seeds about 13 lin, long, oblong, 4-angled, truncate at each 
