392 CLVI. CYPERACEA (CLARKE). [ Mariseus. 
green. Spikelets in fruit spreading, up to 4 by 5}, in., terete, maturing 3 
auts, Nut } the length of the glume, broadly oblong.—Rendle in Cat. 
Afr. Pl. Welw. ii. 120. Cyperus Myrmecias, Ridley in Trans. Linn. 
Soc. ser. 2, Bot. ii. 144. 
Lower Guinea. Angola: Huilla; between Lopollo and Monino, Welwitsch, 
7059! woods of Monino, Welwitsch, 7060! 
30. IM. tomaiophyllus, C. B. Clarke in Durand & Schinz, 
Conspect. Fl. Afr.v. 594. Stem 1-3 ft. long, stouter, at the top 4-4 In. 1n 
diam., trigonous and smooth. Leaves 3? the length of the stem, }-} in. 
broad ; margins cutting the hand. Umbel simple; rays 7, up to $ in. 
long; bracts 6, similar to the leaves, lowest up to 7 in. long. Spikes 
1} by } in., exceedingly dense with very numerous spikelets. Spikelets 
a greenish straw-colour, perfecting 3 nuts, almost comose from the 
long-exserted cinnamon-coloured styles. Nut 3 the length of the 
glume, oblong.— Cyperus tomaiophyllus, K. Schum. in Engl. Pfl. Ost- 
Bie 122. 
Mozamb. Dist. German East Africa: Kilimanjaro, 5000-9000 ft., Meyer 
272! Volkens, 854! 1010! 
Also in Madagascar. 
This resembles M. hemisphericus; and, according to K. Schumann, differs 
chiefly by the cutting edges of the leaves. The spikelets have fewer nuts than those 
of MUM. hemisphericus, 
31. M. macer, Kunth, Enum. ii. 121. Spikes 4-7, sessile or 
shortly peduncled, cylindric-oblong. Spikelets 1-flowered, in fruit 
spreading at right angles; lower empty glume mucronate or scarcely 
avistate ; rhachilla of spikelet winged, simulating a glume, terminated 
by the rudiment (hardly distinguishable) of the sterile uppermost 
glume. Nut oblong, nearly as long as the glume; otherwise as M. 
sieberianus.—C. B. Clarke in Dyer, Fl. Cap. vii. 190. J/. pseudoflarus, 
C. B. Clarke in Durand & Schinz, Conspect. Fl. Afr. v. 591. Cyperus 
cylindrostachys, Boeck. in Linnea, xxxvi. 883 partly. C. wmbellatus, 
Oliver in Trans. Linn. Soc. xxix. 166 partly. C. sieberianus, K. Schum. 
in Engl. Pfl. Ost-Afr. C. 122 partly. C. macer, K, Schum. in Engl. Pf. 
Ost-Afr. C. 122. OC. pseudoflavus, K. Schum. in Engl. Pil. Ost- 
mor. O. 525. 
Upper Guinea. Dahomey, Newton, 11! 
Nile Land. British East Africa: Unyoro, 2500 ft., Speke & Grant ! 
Mozamb. Dist. German East Africa: Kilimanjaro; Marangu, 5000 ft. 
Folkens, 2289! Johnston ! 
Also in Natal. 
32. M. Kerstenii, (. 2B. Clarke. Lower leaf-sheaths wie 
coarsely striate. Spikes condensed into an ovoid compound head, ei ; 
purple. Spikelets maturing 2-4 nuts. Glumes at the top lanceola i 
otherwise as M. sieberianus.—Cyperus Kerstenii, Boeck. 10 moe : 
xxxvi. 373, and in Decken, Reisen Ost-Afr. Bot. 72; C. B. Clarke 
