452 CLYI. CYPERACEA (CLARKE). [ Scirpus. 
convex, narrowly obovoid, smooth; in the lower portion thickened by 
corky cells; the apex hardened into a conic beak not separated bya 
constriction from the nut.—Benth. in Benth. et Hook. f. Gen. PI. iii. 
1051; Ridley in Trans. Linn. Soe. ser. 2, Bot. ii. 157; C. B. Clarke in 
Durand & Schinz, Conspect. Fl. Afr. v. 620, and in Bull. Herb. Boiss. 
iv. Append. iii. 32; K. Schum. in Engl. Pfl. Ost-Afr. C. 126. Urban, 
Symb. Antill. ii. 92; Rendlein Cat. Afr. Pl. Welw. ii. 127. Cyperus 
blepharoleptos, Steud. Syn. Pi. Glum. ii. 28. Courtoisia olivacea, Boeck. 
in Flora, 1861, 331. Anosporum cubense, Boeck. in Linnea, xxxVl. 
413, and in Flora, 1879, 561, 1881, 77. A. Schinzii, Boeck. in 
Verhandl. Bot. Ver. Brandenb. xxix. 46. Isolepis echinocephala, 
Oliver in Trans. Linn. Soc. xxix. 167 t. 107. Crepidocarpus cubensis, 
Klotzsch ex Boeckeler in Linnea, xxxvi. 414. 
Upper Guinea. Senegal, Lepriewr! Perrottet! Niger Territory: Nupe, 
Barter, 1068 ! 
Wile Land. Banks of the Nile at Khartoom, Speke & Grant! White Nile, 
Brownell ! Schweinfurth, 1109! Gazelle River, Schweinfurth, 1150! Banks of the 
Nile in Unyoro, Speke & Grant ! 
Lower Guinea. Angola: Pungo Andongo ; in marshes near Umbilla, on the 
River Cuanza, Welwitsch, 6848! Barra do Dande; bank of the River Dande, near 
Bombo, Welwitsch, 6994! German South-west Africa : Amboland, Schinz, 378! 
Also common in America, from Mexico to Paraguay. 
11. S. supinus, Linn. Sp. Pl. ed. 2,73. A glabrous annual. Stems 
tufted, 2-12 in. long, terete, with no ncde between the base and the 
single head (but see var. 3). Leaves very short, usually less than 1in. 
long. Spikelets 1-7 in the head, 1} in. long, ellipsoid or oblong, 
dusky greenish, obscurely angular by reason of the strongly keeled 
glumes; lowest bract as though a continuation of the stem, 1-6 std 
long. Glumes ovate, acute, entire at the tip. Hypogynous bristles 0. 
Style linear ; branches 3, rarely 2. Nut obovoid-truncate, triquetrous, 
black, with strong transverse wavy lines.—-Boeck. in Linnwa, XXXV)- 
699 excl. var. 3, y; C. B. Clarke in Hook. f. Fl. Brit. Ind. vi. 659, 1m 
Durand & Schinz, Conspect. Fl. Afr. v. 632 and in Bull. Herb. Boiss. 1V- 
Append. iii. 33; K. Schum. in Engl. Pfl. Ost-Afr. C. 126. Tsoleps 
supina, R, Br. Prod. 221; Kunth, Enum. ii. 196; Benth. in Hook. 
Niger FI. 553; A. Rich. Tent. Fl. Abyss. ii. 500. J. polycolea, Steud. 
Syn. Pl. Glum. ii. 95. Z prowima and J. simillima, Steud. Syn. 
Glum. ii. 95. JZ. pentasticha, Boeck. in Flora, 1859, 446, and in Peters, 
Reise Mossamb. Bot. 544. Scirpus polycoleus, Notaris, Ind, Sem. 
Hort. Genuen. 1847. 
Upper Guinea. Senegal, Delievre ! 
Nile Land. Darfur, Purdy, 44! Abyssinia, Quartin-Dillon § Petit ! 
Lower Guinea. Angola: Cunene River, Johnston! banks of the River 
Caculo, Newton ! 
Mozamb. Dist. Zanzibar, Peters! 
Including varieties, this species extends from Europe to the Cape and 
being abundant in the Mediterranean region and in South-east Asia. 
Halli is frequent in North America. 
Australias 
The var- 
