Cyperus. | CLYI. CYPERACEZ (CLARKE). 367 
102. C. nuerensis, Boeck. in Flora, 1879, 555. Glabrous. Stem 
18 in. long, rather stout, at the top trigonous and smooth. Leaves 3 
the length of the stem, 4 in. broad. Umbel compound, 6 in. in diam. ; 
bracts 5-6, similar to the leaves, lowest 5 in. long. Spikes numerous, 
of 5-8 spikelets, Spikelets 2 by ;1, in., compressed, highly coloured, 
rigid, 30-flowered; wings of the rhachilla very narrow. Glumes 
oblong, boat-shaped, obtuse, brown with a green keel, approximate on 
the rhachilla. Nut 4~2 the length of the glume, broad-oblong, brown. 
Style 3 the length of the nut; branches 3, as long as the undivided part 
of the style. C. newerensis—C. B. Clarke in Durand & Schinz, Conspect. 
Fi. Afr. v. 570, 
Nile Land. British East Africa: Gazelle River, at the Nuer Villages, Schwein- 
Surth, 1172! 
Rhizome not seen. 
103. C. rigidifolius, Steud. in Flora, 1842, 593. Glabrous. 
Stolons hardening into rhizomes 8 in. long, } in. in diam. Stems 8-20 
in, long, rather stout, at the base not or slightly bulbous, at the top 
trigonous and smooth. Leaves 3-2 the length of the stem, }-} in. 
broad. Umbel 6-8 in. in diam. or often less (sometimes reduced to a 
head) ; primary rays 3~7, the secondary rays at the head of each corym- 
se and contracted nearly into a head; bracts 3-5, similar to the 
leaves, overtopping the umbel. Spikes of 3-5 chestnut-brown or nearly 
black spikelets. Spikelets 2 by 51, in., compressed, rigid, 8—16- 
flowered, suberect ; wings of rhachilla ovate-lanceolate, prominent. 
Glumes obtuse, on the back 5-nerved, yellow-green, on the sides nearly 
nerveless reddish-black ; otherwise nearly as C. rotundus.—Steud. Syn. 
Pl. Glum. ii. 30; A. Rich. Tent. Fl. Abyss. ii. 486; Boeck. in Linnea, 
Xxxv. 528; C. B. Clarke in Durand & Schinz, Conspect. Fl. Afr. v. 573; 
K. Schum. in Engl. Pfl. Ost-Afr. C. 118. (. adoensis, Hochst. in Flora, 
1841, i, Intell. 20, name only; A. Rich. Tent. Fl. Abyss. ii. 484. 
C. longus, var. adoensis, Boeck. in Linnexa, xxxvi. 281; Engl. Hochge- 
birgsfl, Trop. Afr. 142. C. atrosanguineus, Hochst. ex Steud. Syn. 
Pl. Glum. ii. 30; Boeck. in Linnea, xxxv. 527; Engl. Hochgebirgsfl. 
Trop. Afr, 140. 
Wile Land. Abyssinia: near Adowa, Schimper, 186! near Enjedcap, Schimper, 
991! near M agdala, Steudner, 901! Begemeder ; Jan Meda, Schimper, 1290! Gafat, 
Schimper, 1247! and without precise locality, Schimper, 229! British East Africa : 
marshes by Lake Nakuro, Scott-Elliot, 6842! Mpororo district, Scott-Elliot, 8042 ! 
Ndoro, on Mount Kenia, Gregory, 78! 
Mozamb. Dist. German East Africa: Kilimanjaro, 5000-6000 ft., Volkens, 
662! 13971 1467! Taylor / Kanesse, west of Lake Victoria, Stuhlmann, 940! 
104. GC. Taylori, (. B. Clarke in Durand & Schinz, Conspect. Fl. 
Afr. v. 578, Woody rhizome long, bearing tubers. Stem 2-2} ft. 
long, covered } its length by sheaths. Leaves as long as the stem, 
sin. broad. Umbel contracted into a dense compound head 1-2} in. 
in diam. ; bracts up to 1 ft. long. Spikelets 1 by jy in., resembling 
those of large examples of C. rotundus. Nut} the length of the glume, 
