Mariscus. | CLVI. CYPERACE& (CLARKE). 397 
C. B. Clarke in Durand & Schinz, Conspect. Fl. Afr. v. 595, and in 
Dyer, Fl. Cap. vii. 193. Cyperus umbilensis, Boeck. ms. in herb, Schinz. 
C. natalensis, Hort. ex Gard. Chron. 1891, x. 90. 
Lower Guinea. Damaraland; Walfish Bay, Schinz! 
Frequent in South Africa. 
43. M. albescens, Gaud. in Freycinet, Voy. 415. Spikelets not 
congested in the cylindric spikes, often pale or nearly straw-coloured, 
sometimes reddish or brown; otherwise as IZ. rufus.—C. B. Clarke in 
Hook. f. Fl. Brit. Ind. vi. 623, and in Durand & Schinz, Conspect. FI. 
Afr. v. 584. Cyperus stuppeus, Forst. Prodr. 89 (C. stipens, Forster, ms.), 
C. pennatus, Lam. Ill. i. 144; Kunth, Enum. ii. 80; K. Schum, in. 
Engl. Pf. Ost-Afr. C. 123. C. canescens, Vahl, Enum. ii. 355 (excl. 
syn. of Rheede); Boeck. in Linnxa, xxxvi. 340. C. macreilema, 
Jardin in Mém. Soc. Se. Nat. Cherbourg. iv. (1856) 36 and v. (1857) 
298. C. pallidus, Willd. ex Link in Sprengel, Jahrb. i. iii. 86. 
C. fucatus, Boeck. in Flora, 1882, 13. 
Nile Land. British East Africa: Taita; Ndara, Hildebrandt ! 2437! 
Also in the Mascarene Islands, South-east Asia, Malaya, Australia and 
Polynesia. 
44. M. durus, C. B. Clarke in Durand & Schinz, Conspect. FI. 
Afr. v.587. Glabrous, stoloniferous. Stems 14-21 ft. long, at the top 
obtusely trigonous and smooth ; basal leaf-sheaths with many strong 
ribs and scarious margins. Leaves } the length of the stem, 4 in. broad, 
strongly transversely striate, in the dried state rolled up, hard. Umbel 
nearly simple, the subcorymbose spikes nearly congested into compound 
heads at the end of each ray, chestnut-red or ferruginous-brown ; 
bracts 3-5 up to 6-10 in. long, similar to the leaves, very unequal. 
Spikelets oblong, maturing 4 nuts. Glumes elliptic, obtuse. Nut 
linear-oblong ; style 3-fid.—C. B. Clarke in Dyer, Fl. Cap. vii. 196; 
Rendle in Cat. Afr. Pl. Welw. ii. 119. Cyperus durus, Kunth, Enum 
li. 76; Boeck. in Linnea, xxxvi. 326. C. letus, Ridley in Trans, Linn. 
Soc. ser. 2, Bot. ii. 123, 138, not of Presl. 
Lower Guinea. Angola: Huilla; in damp wooded places near Eme, 
Welwitsch, 6860! 
Also in South Africa. 
. This species might be esteemed only a variety of MW. tabularis, 
In South Africa. 
45, M. flabelliformis, H. B. ¢&. K. Nov. Gen. e¢ Sp. i. 21 
Glabrous. Rhizome hardly any. Stems tufted, 12-20 in. long, slender, 
at the top trigonous and smooth. Leaves often as long as the stem, 
+ in. broad, green. Umbel simple; rays 2-8, short, rarely up to 1 in. 
long; bracts 4—6, similar to the leaves, lowest up to 4—8 in. long. 
Spikes % by 3-Zin., of numerous approximate (but distinct) spikelets 
Spreading at right angles; bracts to the spikes often 2 scarcely 3 in. 
long, bristle-like. Spikelets }-} in. long, maturing 3-8 nuts, linear, 
not compressed but almost subquadrangular, a dull green-brown, 
disarticulating in one piece above the two lowest empty glumes. 
which is common 
5. 
