Cyperus. | CLYI, CYPERACE& (CLARKE). 337 
times terete with very fine numerous strie, sometimes fluted with 
fewer deep striw, sometimes nearly triangular or 6-angular. Leaves 
Y, except on the first sterile shoots. Umbel 4-12 in. in diam., usually 
compound ; primary rays numerous (often 6-10), subequal in length, 
not very slender ; bracts 8-12, subequal, overtopping the umbel, often 
at the base }—} in. apart (i.e. umbel subcorymbose), up to 14 by 4-3 in., 
with lanceolate (not caudate) tips. Spikes of 2-15 digitate spikelets, 
whitish-yellow, cinnamon-coloured or rust-coloured, sometimes chestnut- 
spotted. Spikelets 4-1 by ;4,in., much compressed, 10—20-flowered. 
Glumes close-packed, very acutely keeled, hard, shining, not distinctly 
ribbed, tip trigonous, pointed. Stamens 3. Style short; branches 8, 
long. Nut $ the length of the glume, triquetrous, obovoid, slightly 
apiculate, becoming brown.—Kunth, Enum. ii. 32; A. Rich. Tent. FI. 
Abyss. ii. 479; Boeck. in Linnea, xxxv. 566 (excl. the Costa Rica 
plant) ; Ridley in Trans. Linn. Soc. ser. 2, Bot. ii. 135; C. B. Clarke in 
Durand & Schinz, Conspect. Fl. Afr. v. 562; Schweinf. in Bull. Herb. 
Boiss, ii. Append. ii. 48, 102; K. Schum. in Engl. Pfl. Ost-Afr. C. 119 ; 
Durand & Schinz, Etudes Fl. Congo, i. 287; De Wild. & Durand in 
Comptes-rendus Soc. bot. Belg. xxxvi. 88; Rendle in Cat. Afr. PI. 
Welw. ii. 114. ©. proximus, Steud. Syn. Pl. Glum. ii. 19. C. flagellatus, 
Hochst. in Flora, 1841, i. Intell. 21; Engl. Hochgebirgsfl. Trop. Afr. 
140. ©. petersianus, Boeck. in Peters, Reise Mossamb. Bot. 537, and in 
Linnea, xxxv. 567. C. Ginge, Welw. Apont. 586. C. sexangularis, 
Fenzl ex Steud. Le. 
Nile Land. Upper Sennar: Fazokl, Kotschy, 565! Eritrea: Arrot Valley, 
4300 ft., Schweinfurth & Riva, 684! below Geleb, 5500 ft., Schweinfurth & Riva, 
1382 ! Abyssinia: near Adowa, Schimper, 55 ! and withont precise locality, Schimper, 
131! 1590! 1941! Quartin-Dillon & Petit ! Somaliland : Golis Range, Mrs. Lort- 
Phillips! British East Africa : Kiboko, Scott-Elliot, 6679! Taita; Ndi Mountain, 
Hildebrandt, 2593! Ribe, Wakefield ! 
Lower Guinea. Lower Congo: Kisantu, Gillet, 464! Congo, Burton! 
Sinith f Angola: Malange, Buchner / Golungo Alto and Golungo Baixo ; plentiful 
everywhere in marshy places, Welwitsch, 7103! Mossamedes; by lakes at the mouth 
of the River Giraul, Welwitsch, 6882 ! 
Mozamb. Dist, Zanzibar, Taylor! Peters, 15! German East Africa : 
Kilimanjaro : Chagga distr., New! Volkens, 1682! Usambara ;  Lutindi, Holst, 
3231! Portuguese East Africa: banks of ponds at Shupanga, Scott / Expedition 
Island, in the Zambesi, Kirk! British Central Africa: Boruma, on the Zimbesi, 
Menyharth, 1054! Nyasaland ; Songue and Karonga, Whyte! 72! between Mpata 
and the commencement of the Tanganyika Plateau, 2000-3000 ft., Whyte ! Monkey 
Bar, Whyte! Manganja Hills, Meller / Shire Valley, Scott! and without precise 
locality, Buchanan, 493! 
Also in South Africa, the Mascarene Islands and Arabia. 
42. C. alternifolius, Linn. Mant. 28, and Linn. Herb. Primary 
and secondary rays of the umbel very slender. Nut lanceolate or 
oblong, finally black ; otherwise as C’. flabelliformis, Rottb.—Jacq. Ic. PL. 
ii. 8, t. 298; Kunth, Enum. ii. 33; Boeck. in Linnea, xxxv. 568; 
C. B. Clarke in Journ. Linn. Soc. xx. 289, xxi. 130, and in Durand «& 
VOL, VIII. Z 
