Scirjms.'l clvi. cyperace^ (clarke). 449 



chestnut-red ; peduncles \-^ in. long ; bracts setaceous, \-\ in. long. 

 Glumes obovate-elliptic, obtuse, with a few cilia on the upper margins, 

 very persisteni: after the nut has fallen. Hypogynous bristles 0. Style- 

 branches 2, long. Nut scarcely J the length of the glume, orbicular, 

 compressed, smooth, chestnut-black. — RendJe in Cat. Afr. PI. Welw. ii. 

 126. S. spadiceus, var. ciliatus, Ridley in Trans. Linn. Soc. ser. 2, 

 Bot. ii. 156. 



JaO'srer Guinea. Angola : Pungo Andongo ; marshy places on the heights of 

 Pedra Sougue, Wehuitsch, 6836 ! in the Praesidium, near Catete, Welwitsch, 7166 ! 



3. S. fluitans,7ym?i. aS'jd. P^. erf. 2, 71. Glabrous. Root fibrous. Stem 

 often floating in water, elongate, branching, leafy, weak, 2-15 in. long. 

 Leaves J-2J in. long, very narrow or almost capillary. Peduncles 

 axillary, ^—'d in. long, each carrying one quasi-terminal spikelet. 

 Spikelet \-\ in. long, ovoid-lanceolate, dull greenish or purplish, usually 

 i-lO-flowered. Glumes ovate, obtuse, the lowest often containing a nut, 

 deciduous. Hypogynous bristles 0. Style linear ; branches 2, linear. 

 Nut ^ as long as the glume, obovoid, compressed, pallid, smooth. — 

 Sowerby, Engl. Bot. t. 216 ; Boeck. in Linnsea, xxxvi. 485 ; Ridley in 

 Trans. Linn. Soc. ser. 2, Bot., ii. 156 ; C. B. Clarke in Hook. f. Fl. Brit. 

 Ind. vi. 653, in Durand & Schinz, Conspect. Fl. Afr. v. 621, and in 

 Dyer, Fl. Cap. vii. 213; Engl. Hochgebirgsfl. Trop. Afr. 147; 

 K. Schum. in Engl. Pfl. Ost-Afr. C. 125 ; Yolk. Kilimand. 319 ; Bendle 

 in Cat. Afr. PI. Welw. ii. 126. S, ramosus, Boeck. in Linnsea, xxxviii. 

 377. Isolepis fluitans, R. Br. Prod. 221 ; Kunth, Enum. ii. 188 ; 

 A. Rich. Tent. Fl. Abyss, ii. 498. Eleocharis Jluitans, Hook. Brit. Fl. 

 24. 



ZTile Xiand. Abyssinia : Tigre ; in stagnant water in the valley of the River 

 Mareb, Quartin- Dillon Sf Petit I Begenieder ; near Debra Tabor, Schimper, 1216 ! 

 Jan Meda, 9000 ft., Schimper, 1103 ! 1254 ! 1294 ! and without precise locality, 

 Schimper, 208 ! 803 ! 



Xiower Guinea. Ansrola : Huilhi ; in the River Quipumpunhime, Welwitsch, 

 6965 ! in streams on the Hninpata Plain, Welwitsch, 6966 ! stream-swamps near 

 Mumpulla, Welwitsch, 6967 ! 



IMCozamb. Hist. German East Africa : Kilimanjaro, 8800 ft. ; Marangu, 

 Volkens^ 1310! and Schira, Volkens, 1950! 



In cool places throughout the Old World, from Europe and tlie Cape to New 

 Guinea i in the Tropics on mountains. 



4. S, nervosus,^oecA;.mZm«cpa, xxxvi. 484. Glabrous. Rhizome 

 up to 1 in. long, thread-like. Stem 2-5 in. long, slender, with 1 quasi- 

 terminal head, no node between the head and the base. Leaves § the 

 length of the stem, setaceous. Spikelet J in. long, ovoid-lanceolate, 4-10- 

 flowered, lowest glume not bract-like. Glumes ovate, obtuse, blackish 

 with green back. Hypogynous bristles 0. Style linear ; branches 2, 

 linear. Nut J the length of the glume, narrowly obovoid, plano-convex. 

 — Engl. Hochgebirgsfl. Trop. Afr. 147 ; C. B. Clarke in Durand k- 

 Schinz, Conspect. Fl. Afr. v. 628. Isolepis nervosa^ Hochst. ex A. Rich. 

 Tent. Fl. Abyss, ii. 499. I. fuscescens, Steud. Syn. PI. Glum. ii. 92. 



"Xtile Iiand. Abyssinia : Samen ; Enjedcap,^ Schimper, 551 ! 



