394 CLVI. CYPERACEH (CLARKE). [ Mariscus. 
top trigonous and smooth ; leaf-sheaths entire, not striate. Leaves ? 
the length of the stems, hardly } in. broad, green, flaccid. Spikelets 
16, condensed into a compound head, $ in. in diam., lurid or blackish 
green ; bracts 6—8, similar to the leaves, lowest up to 8-10 in. long. 
Spikelets + in. long, compressed, of 4 glumes, maturing 1 nut. Lowest 
empty glume lanceolate, acute, not bristle-tipped ; nut-bearing glume 
ovate, acuminate, with a small recurved mucro, slenderly 9-striate, red- 
spotted. Stamens 3; anthers linear-oblong, muticous. Ovary lanceo- 
late ; style short ; branches 3, long.— Cyperus Soyausxii, Boeck. in Engl. 
Jahrb. v. 501. 
Upper Guinea. Gold Coast: Kwahu, 2000 ft., Johnson, 663 ! 
Lower Guinea. Gaboon: Munda; Maveli, Soyaux, 3253! 
36. M. deciduus, (. B. Clarke in Dyer, Fl. Cap. vii. 191. 
Glabrous, slender. Stem 12-18 in. long, at the top trigonous and smooth ; 
basal leaf-sheaths not scarious withering. Leaves } the length of the 
stem, hardly } in. broad. Umbel-rays 3-5, slender, up to 1} in. long, 
each terminated by 3—1 small subspicate spikelets ; bracts 3, similar to 
the leaves, lowest shorter than the umbel. Spikelets 51, in. long, very 
green, 2—4-flowered, early caducous in one piece above the two lowest 
empty obtuse glumes. Glumes approximate, but spreading on the 
wingless rhachilla, broadly oblong, neither ribbed nor keeled. Stamens 
3; anthers linear-oblong, muticous. Style as long as the young ovary; 
branches 3, long.—Cyperus deciduus, Boeck. in Flora, 1879, 5473 
C. B. Clarke in Durand & Schinz, Conspect. Fl. Afr. v. 555. 
South Central. Lunda: Kimbundu, on the River Lovo, Pogge, 466 ! 
Also in the Transvaal. 
37. M. albopilosus, (. B. Clarke. Stems 14 in. long, slender, at 
the top trigonous, densely and minutely white-hairy. Leaves 4 by 
; in., with their sheaths nearly glabrous, scabrous hairy towards the 
tip. Head }-1 in. in diam., dense, of numerous small white spikelets ; 
bracts 3, spreading, the lowest up to 14 in. long, similar to the leaves, 
often white-hairy towards the tip. Spikelet of 3 glumes, with a 
rudimentary glume, deciduous, with the 1 nut above the two low a 
empty (not setaceous) glumes. Nut-bearing glume ovate, scarious” 
white, slenderly few-nerved; rbachilla broadly winged, reset 
closely the nut-bearing glume, crowned by a triangular rudiment ot : 1. 
uppermost glume. Nut as long as the glume broadly ellipsoid, 
trigonous, black, white-reticulate. Style 3-branched. 
Mozamb. Dist. British Central Africa: Nyasaland; Mount Malosa, 4000- 
6000 ft., Whyte! Mount Zomba, 4000-6000 ft., Whyte ! 
38. M. Rohlfsii, C. B. Clarke. Glabrous. Stems 2 ft. hig’ 
rather stout, at the top triquetrous and smooth. Leaves } the ee : 
of the stem, 1 in. broad. Umbel simple; rays 8, up to 1j in. ree 
bracts 6-8, similar to the leaves, lowest up to 12 in. long. Spikes ; 7 
3 in., exactly cylindric, of very numerous spikelets spreading fos pies 
angles, rose-red. Spikelets } in. long, oblong or ellipsoid, falling 
