f^cirpus.'] CLVi. CYPEKACE^ (clarke). 453 



Var. /3 uninodis, C. B. Clarke in Hook. f. Fl. Brit. Ind. vi. 656. Inflorescence 

 of 1-4 heads in a contracted umbel, the rays sometimes nearly 1 in. long. — C. B. 

 Clarke in Durand & Schinz, Conspect. Fl. Afr. v. 632; Engl. Hochgebirgsfl. Trop. 

 Afr. 147. S. lateralis, Forsk. Fl. ^gypt.-Arab. 15; Kunth, Enura. ii. 176. 

 IS mucronatus, Koxb. Fl. Jnd. i. 219 ptrtly; K. Schum. in Engl. Pfl. Ost-Afr. C. 

 126 partly. Isolepis uninodis, Delile, Fl. Egypte, 8, t. 6, fig. 1. 



Upper Guinea. Senegambia, Lepri^tir ! 



Wile Dbancl. Abyssinia: Begemeder; near Amogai, 7200 ft., Schimper 

 253! 



Mozamb. Slat. Zanzibar, Hildehrandt, 1061 ! German East Africa : Kili- 

 manjaro, 3300 ft., Volkens, 1624 ! 



This variety extends to the Mascarene Islands, India, the Malay archipelago, 

 and Australia. 



12. S. articulatus, Linn. Sp. PI. ed. 2, 70. A glabrous annual. 

 Stems tufted, 2-12 in. long, terete, when dry showing transverse false 

 septa \-2 in. aparo, varying in thickness from y\j- to nearly ^ in. in diam., 

 bearing 1 dense apparently lateral globose head ; lowest bract terete, 

 appearing as a continuation of the stem, usually longer than it, some- 

 times 2 ft. long. Leaves 0. Spikelets J to J in. long, cylindric, acute 

 or obtuse, green or variegated with purple and brown. Glumes ovate, 

 incurved even in fruit ; tip entire, triangular or rounded. Hypogynous 

 bristles 0. Style linear ; branches 3. Nut nearly ^ the length of the 

 glume, obovoid almost pyriform, triquetrous, brown, pyramidal at the 

 apex, transversely undulate or smooth. — Boeck. in Linnaea, xxxvi. 702, 

 and in Flora^ 1879, 563; Ridley in Trans. Linn. Soc. ser. 2, Bot. ii. 

 157 ; C. B. Clarke in Hook. f. Fl. Brit. Ind. vi. 656, in Durand & 

 Schinz, Conspect. Fl. Afr. v. 618, in Bull. Herb. Boiss. iv. Append, iii. 

 ^2, and in Dyer, Fl. Cap. vii. 228 ; Engl. Hochgebirgsfl. Trop. Afr. 

 148 ; K. Schum. in Engl. Pfl. Ost-Afr. C. 126 ; Rendle in Cat. Afr. PI. 

 Welw. ii. 126.. S. fistulosus, Forsk. Fl. ^gypt.-Arab. 14. Isolepis 

 articulata, Nees in Wight, Contrib. 108; Kunfch, Enum. ii. 198; 

 Boeck. in Flora, I860; '6'6. I. p^celongata^ Kunth, Enum. ii. 199; 

 Benth. in Hook. Niger Fl. 553 ; A. Rich. Tent. Fl. Abyss, ii. 500. /. sen^- 

 yalensis, Hochst. ex Steud. Syn. PI. Glum. ii. 96 ; Schweinf. Beitr. Fl. 

 Aethiop. 216 ; cf. Boeck. in Flora, 1860, 180. 



Upper Guinea. Senegal, Perrottet, 116 ! 823 ! Upper Senegal, Lecard^ 165 ! 

 Senegambia ; Galam, Heudelot, 319 ! Richard Toll, Bollinger, 13 ! 



Wile Xiand. Kordotan, Kotschy, 56 ! 377 ! Abyssinia : nenr Gafta, Schimper, 

 1194 ! Begemeder ; near Senka Berr, 8500 ft., Schimper, 1113 ! Britisii East Africa : 

 Jur ; Jur Ohattas, Schweinf urth, ser. iii. 195 ! Kurshook Alls Seriba, Schweinf urth, 

 1714 ! Bongo ; Gir, Schweinf urth, 2194 ! Mat>voli, Schweinfurth, 4001 ! near 

 Mombasa, Taylor ! 



Slower Cruinea. Angola : Congo ; edges of Lagoa de Quizemba, Welwitsch, 

 6978 ! Icolo e Bengo ; margin of Lagoa de Funda, Welwitsch, 6851 ! 6979 ! Pungo 

 Andongo ; around ponds on Pedras de Guingn, Welwitsch, 6850 ! 



XMCozamb. l>ist. Zanzibar, Blackburn, Rildehrandt, 1062 ! Zanquebar, KirJc, 

 9 I Portuguese East Africa : Lower Zambesi j N'Kweza, Kirk ! British Central 

 Africa : Nyasaiand, Buchanan, 555 ! 



Scattered throughout Africa, also in the Mascarene Islands and India* 



