- Pycreus. | CLVI. CYPERACEZ (CLARKE). 301 
Leaves as long as the stem, capillary or nearly so. Head 1, lateral, of 
4-18 spikelets; bracts 2, the‘lower 1-2} in. long, as though continuing 
the stem. Spikelets }—} by ,j,in., 10-30-flowered, pale yellow. Glumes 
ovate, inflated, hardly acute. Nut } the length of the glume, obovoid, 
black, smooth, without longitudinal cells or transverse murication.— 
Rendle in Cat. Afr. Pl. Welw. ii. 107. Cyperus capillifolius, A. Rich, 
Tent. Fl. Abyss. ii. 475; K. Schum. in Engl. Pfl. Ost-Afr. C. 117, 
C. Afzelii, Boeck. in Linnea, xxxv. 475, and in Flora, 1879, 547 (var, 
capillifolia, partly) ; C. B. Clarke in Journ. Linn. Soc. xxi. 62; Ridley 
in Trans. Linn. Soc. ser. 2, Bot. ii. 127. C. flavescens, T. Thoms. in 
Speke, Nile, Append. 653; Oliver in Trans. Linn. Soc. xxix. 164, 
Upper Guinea. Sierra Leone, Afzelius ! 
Nile Land. Abyssinia: Shireb; Kouaieta (Kuayata), Quartin-Dillon! 
British East Africa: Jur; Jur Ghattas, Schweinfurth, 1948! slopes of Madi rocks, 
Speke & Grant ! 
Lower Guinea. Angola; Welwitsch, 6907 partly! Pungo Andongo, 3500 ft., 
Welwitsch, 6919 ! 
23. P. smithianus, (. B. Clarke in Durand & Schinz, Conspect. Fi, 
Afr. v. 542. Rhizome sometimes 8 in. long. Stems 1 ft. long, tough, 
with a bulb }—4 in. in diam. at the base. Leaves as long as the stem, 
44 in. broad, rather stiff. Inflorescence of 30-40 white spikelets 
nearly condensed into a head 14 in. in diam.; rays hardly attaining 4 
in. in length, bracts 4—5, lowest 6 in. long and similar to the leaves. 
Spikelets closely spicate, 4 by jy in., compressed, 14—22-flowered. 
Glumes ovate, obtuse, one-coloured, not rigid. Nut 4 the length of 
the glume, obovoid, apiculate, brown, smooth.—Durand & De Wild. in 
Comptes-rendus Soc. bot. Belg. xxxvi. 88; Durand & Schinz, Etudes Fl. 
Congo, i. 282. Cyperus smithianus, Ridley in Journ, Bot. 1884, 15; 
K. Schum. in Engl. Pfl, Ost-Afr, C. 117. 
Lower Guinea. Mouth of the Congo, Smith ! Lower Congo: near the mouth 
of the River Kwa, 1000 ft., Hens, C, 116! Dewévre, 706! Stanley Pool, Lwa, 56! 
Kinshassa, Luja, 184! 
Mozamb, Dist. German East Africa : Karagwe; Bukoba, Stuhlmann, 1593, 
3960 ! 
24, P. cuanzensis, C. B. Clarke in Durand & Schinz, Conspect. 
Fl. Afr. v.536. Stem 15 in. long, at the base decumbent, not at all 
thickened, with lax brown shining sheaths. Leaves greatly exceeding 
the stem in length, }—} in. broad, flaccid. Inflorescence of 30-40 white 
spikelets nearly condensed into a head 1} in. high; rays 0-4 in, long ; 
bracts 4—5, lowest attaining 10 in. or more. Spikelets undistinguish- 
able from those of P. smithianus.—Rendle in Cat. Afr. Pl. Welw. 1. 
108. Cyperus cwanzensis, Ridley in Trans. Linn. Soc. ser. 2, Bot. ii. 
128, 
Upper Guinea. Cameroons: Batanga, among rocks by the River Lobe, left 
bare by low water, Bates, 323! Bipinde, Zenker, 1935! 
Lower Guinea. Angola: Pungo Andongo ; marshy meadows by the River 
Cuanza, near Nbilla, 3500 ft., Welwitsch, 6899! 
