Scirpus. | CLVI. CYPERACEE (CLARKE). 453 
~ Var. 8 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. Egypt.-Arab. 15; Kunth, Enum. ii. 176. 
S. mucronatus, Roxb, Fl. Ind. i. 219 partly ; K. Schum. in Engl. Pfl. Ost-Afr, C. 
126 partly. Isolepis uninodis, Delile, Fl. Egypte, 8, t. 6, fig. 1. 
Upper Guinea. Senegambia, Leprieur ! 
[° and. Abyssinia: Begemeder; near Amogai, 7200 ft., Schimper 
Mozamb. Dist. Zanzibar, Hildebrandt, 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. Pl. ed. 2, 70. A glabrous annual. 
Stems tufted, 2-12 in. long, terete, when dry showing transverse false 
septa {~2 in. apart, varying in thickness from -}, 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 } to ? 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 4 the length of the 
glume, obovoid almost pyriform, triquetrous, brown, pyramidal at the 
apex, transversely undulate or smooth.—Boeck. in Linnea, xxxvi. 702, 
and in Flora, 1879, 563; Ridley in Trans. Linn. Soc. ser. 2, Bot. ii. 
157; ©. B. Ciarke in Hook. f. Fl. Brit. Ind. vi. 656, in Durand & 
Schinz, Conspect. Fl. Afr. v. 618, in Bull. Herb. Boiss. iv. Append. iii. 
32, and in Dyer, Fi. Cap. vii. 228; Engl. Hochgebirgsfi. Trop. Afr. 
148; K. Schum, in Engl. Pf. Ost-Atr. C. 126; Rendle in Cat. Afr. PI. 
Welw. ii. 126. 8. jfistulosus, Forsk. Fl. Aigypt.-Arab. 14. Isolepis 
artculata, Nees in Wight, Contrib. 108; Kunth, Enum. ii, 198; 
Boeck, in Flora, 1860, 83. J. prelongata, Kunth, Enum. ii. 199; 
Benth. in Hook. Niger Fl. 553; A. Rich. Tent. Fl. Abyss. ii. 500. J. sene- 
galensis, Hochst. ex Steud. Syn. Pl. Glum. ii. 96 ; Schweinf. Beitr. Fl. 
Aethiop. 216 ; ef. Boeck. in Flora, 1860, 180. 
_ Upper Guinea. Senegal, Perrottet, 116! 823! 
Seneyambia; Galam, Heudelot, 319! Richard Toll, Dollinger, 13! 
Wile Land. Kordofan, Kotschy, 56! 377! Abyssinia : neur Gafta, Schimper, 
1194! Begemeder ; near Seuka Berr, 8500 ft., Schimper, 1113! British East Africa : 
Jur ; Jur Ghattas, Schweinfurth, ser. iii. 195! Kurshook Alis Seriba, Schweinfurth, 
1714! Bongo; Gir, Schweinfurth, 2194! Matwoli, Schweinfurth, 4001! near 
Mombasa, Taylor ! 
Lower Guinea, Angola: Congo; edges of Lagoa de Quizemba, Welwitsch, 
6978! Ivolo e Bengo; margin of Lagoa de Funda, Welwitsch, 6851 ! 6979! Pungo 
Andongo ; around ponds on Pedras de Guinga, Welwitsch, 6850! 
Mozamb. Dist. Zanzibar, Blackburn, Hildebrandt, 1062 | Zanquebar, Kirk, 
8! P ortuguese East Africa: Lower Zambesi; N’Kweza, Kirk! British Central 
Africa: Nyasaland, Buchanan, 555! 
Scattered throughout Africa, also in the Mascarene Islands and India. 
Upper Senegal, Lécard, 165! 
