C^/perUs] XXVII. CYPERACEiE. 119 



44. C.radiatus Vahl,?.c.,p. 369; Eidl.,^.c.; C. B.Clarke, Z.c, p. 573. 

 Barra do Daxde. — A sparsely ca3spitose annual, culms erect, 2 ft. 



high, triquetrous, firm, deep purple towards the apex and on the base 

 of the involucre ; young spikes cylindrical, adult and seed-bearing 

 more or less swollen and distorted, in the young and flowering stage 

 green, when old a dull brown. Nut triquetrous. Habit of Mar/scus. 

 In wet sandy clayey places round the lake on the right of the river 

 Dande near Bombo ; end of Sept. 1858. No. 7036. 



IcoLO E Bengo. — Annual, 1 ft. high, laxly cajspitose, culms ascend- 

 ing, spikes cylindrical, greenish, dilated, distorted and dull brown 

 when in fruit, spikelets bifariously compressed. On the banks of a 

 lake near Folo, but not plentiful ; Sept. 1857. No. 7030. 



45. C. exaltatus Eetz. Obs. v., p. 11 (1789). 



Yar. dives C. B. Clarke in Journ. Linn. See. xxi. p. 187 

 (1884) ; in Durand & Schinz, I.e., p. 561. 



C. dives Delil. Fl. d'Egypt. p. 149, t. 4. fig. 3 (1812); Eidl, I.e. 



GoLUXGO Alto. — A fine plant 4 to 7 ft. high, with an obtusely 

 trigonous polished culm. Plentiful by the Quango and Quiaposa 

 streams near Sange ; Nov. 1854. No. 7091. 



PuxGo Andoxgo. — Between Condo and Quisonde in wooded marshy 

 places ; March 1857. No. 6939. 



46. C. callistus Eidl., I.e., p. 143 ; C. B. Clarke, I.e., p. 551. 

 LoANDA. — A noble plant 4 to 5 feet high with beautiful and striking 



tawny-gold flower panicles ; fibres of root-stock bulbiferous, bulbs 

 with chestnut-coloured tunics, ovate-acute. Grows sparsely among 

 herbage by ponds near Quicuxe ; March 1854. No. 7079. 



Material insufficient for determination. 



St. Vincent, Cape Verde Isl.a.nds. — Growing in very thick tufts, 

 but not yet well-developed. Shore near Porto de Mindello ; August 

 1853. No. 7022. 



LoANDA. — Sandy mud near Cabo Lombe ; Apr. 1858. No. 7024i (in 

 part). 



HuiLLA. — Dried up swamps near Nene ; May 1860. No. 6878. 

 C. Amnicola Eidl., I.e., p. 131 (.non Kunth). 



5. MARISCUS Gaertn. Fruct. i. p. 11 (1788). 

 Cyperus L. ; Benth. & Hook. f. Gen. PI. iii. p. 1043, pro parte. 



1 . M. durus C. B. Clai-ke in Durand & Schinz, Consp. Fl. Afr v. 

 p. 587. 



Cyperus durus Kunth Enum. ii. p. 76 (1837). 



C. ketus Eidl. in Trans. Linn. See. Ser. 2, ii. p. 138 (1884) 

 (non Presl.). 



HuiLLA. — Wet wooded places now almost dried up near Eme, on 

 the way to lake Ivantala ; beginning of May 1860. No. 6860. 



2. M. rufus H.B.K. Nov. Gen. & Sp. i. p. 216. t. 67 (1815); 

 C. B. Clarke, I.e., p. 592. 



Ci/perus ligularis L. Amoen. Acad. v. p. 391 (1760) ; Eidl, I.e., 

 p. 142. 



Prince's Island. — Rather rare in somewhat damp places on the 

 edges of woods in the ascent of Pico de Papagaio ; Sept. 1853. 

 No. 7037. Apparently a viviparous form found at the same place and 

 even in the same tuft ; Sept. 1853. No. 7037/'. 



