Cyperus. | CLVI. CYPERACEH (CLARKE). 327 
C. crassipes, Vahl, Enum. ii. 299; Beauv, Fl. Owar, ii. 63, t. 97, fig. 1; Kunth, 
Enum. ii. 82; Boeck. in Linnwa, xxxv. 539, C. scirpoides, Vahl, Enum. ii. 311; 
Schumach. Beskr. Guin. Pl. 34; Kunth, Enum. ii. 107. C. Jardini, Steud. in 
Jardin, Herbor. 7, and Syn. Pl. Glum. ii. 28. C. cephalostachyus, Steud. Syn. Pl. 
Glum. ij. 315 (from Africa, not America, as Steudel states). 
Upper Guinea. Senegal, Roger! Senegambia: Mbidjem, Thierry, 86! and 
without precise locality, Heudelot, 478 ! Cape Verd Islands, Cunningham ! Bolle! 
Lowe! Sierra Leone, Smeathman! Afzelius! Lagos, Millen, 160! Oware, 
Beauvois ! 
Lower Guinea. Congo, Smith! Loango, Jardin! 
23. C. FPrerei, (. 2. Clarke in Durand & Schinz, Conspect. Fl. 
Afr, v. 563. Glabrous. Rhizome creeping, 4-4 in. in diam. ; nodes 
very short; roots not woolly. Stems 12-16 in. long, subsolitary, at 
the top trigonous and smooth. Leaves 4-2 the length of the stem, 
narrow, green, flat. Umbel (with rays hardly } in. long) contracted 
nearly into a dense head 1-2 in. in diam.; bracts 3-4, the lowest 44 
in. long, similar to the leaves. Spikelets up to 1 by } in., compressed, 
reddish, 30—40-flowered. Glumes closely packed, elliptic, hardly 
mucronate, 13-ribbed. Style as long as the nut; branches 3, linear, 
long, much exserted. Nut 2 the length of the glume, obovoid, trique- 
trous, shining black.—K. Schum. in Engl. Pfl. Ost-Afr. C. 121. 
Nile Land. British East Africa: Frere Town and Rabai Hills, near Mom- 
basa, Taylor ! 
24. C. cancellatus, Ridley in Trans. Linn. Soc. ser. 2, Bot, ii. 131. 
A slender, glabrous, green annual. Stems 4-8 in. long, tufted. 
Leaves as long as the stem, ;1,—} in. broad, sometimes smaller. Umbel 
compound, loose; rays up to 3-4} in. long; bracts as long as the rays, 
Similar to the leaves. Spikelets 1-4 together, digitate, green, red- 
Spotted, linear, 2 by ,'; in., with parallel sides, compressed, 6—24- 
flowered. Glumes close-packed, ovate, hardly nerved; keel green, 
ended by a broad triangular point. Style-branches 3, hardly exserted. 
Nut minute, obovoid, trigonous, white, verrucose, almost tubercular 
(scarcely cancellate). C. B. Clarke in Durand & Schinz, Conspect. Fi. 
Afr. C. 551; K. Schum. in Engl. Pfl. Ost-Afr. C. 118; Rendle in Cat, 
Afr. Pl. Welw. ii. 110. 
Nile Land. British East Africa : Ralai Hills, near Mombasa, a se : 
L : ngo Andongo; between Muta Lucala an 
Lombe, and banks ib ane aie toate in the Presidium, Welwitsch, 6916! 
rice-fields near Caghuy, Welwitsch, 6917! Huilla; spongy grounds in the woods of 
Monino, 5000 ft., Welwitsch, 6862! 
25. C. amabilis, Vahl, Hnum. ii. 318. Glabrous, slender, annual. 
Stems 2-8 in. long, tufted. Leaves }-} the length of the stem, ;'; in. 
broad, weak. Umbel compound or simple, rarely reduced to 1 head ; 
rays sometimes 14, up to 4 in. long; bracts up to 2-4 in. long, usually 
shorter than the umbel, similar to the leaves. Spikelets 3-10 together, 
subdigitate, golden-brown, % by ;';—7y in., compressed, 16—36-flowered. 
lumes ovate, boat-shaped, obtuse, the mucro very minutely or 
