170 CYPERACEE (Clarke). [Cyperus. 
Eastern Region: Kaffraria ; without collector’s name in the British Museum. 
Closely allied to C. bellus, but the nut is much larger. 
ae 13. C. semitrifidus (Schrad. Anal. nh Cap. 6); glabrous; 
rhizome woody, decumbent; stems 3-1 ‘ites trigonous at the 
top, bulbous, woody at base, enclosed by fibrillose remains of leaf- 
sheaths ; leaves often 2 = length of the stem, 4 in. broad ; rays of 
umbel 3-0, 0-1; in. long racts = similar to the ene lowest 
pleo 
sometimes 0. Kunth, Enum. ii. 107; Boeck. in Linnea, XXXY. 
5 C. crinitus, Spreng. in Flora 1829, Band i. no 8 
C. cruentus, Rotib.). C. herbivagus, Kunth, Enum, 
herbicagus, D 4 Pflanzengeogr. Documente 132, Lit. C. en 
Kunth, Enum. ii. 76, partly (at least as to syn. cited). C. usitatus, 
Nees in Linnea ve 516 (not of Burchell). 
SoutH Arrica: without locality, Ecklon and Zeyher, 3! 127! Bowie, 5! 
Coast Rreton: Uitenhage en hyde Dw arieooe Bhiver, Ecklon! mis. 
4364! Alexandria Div. ; Addo, ee ft., Drége, 2035! Komgha Div. ; 
NTRAL ReGion: Somerset D 3 Bothas Berg, 2200 ft., MacOwan, 1505! 
Wodehouse Div., Ecklon and Be 
KALAHARI REGION: Transvaal, Puasa 4998! 5648! 
14, C. tenax (Boeck. in Linneza, xxxv. 504); glabrous, medium- 
sized, tough ; rhizome woody, with fibrillose remains of leaf-sheaths ; 
no stolons 8 seen; stems tufted, 6-16 in. long, slender but wity; 
leaves often 2 the length of the pond 2 in, ee much enrolled 
when dry, tough; umbel of 5-10 rays, 2-3 in. in diam., more 
less compound, or frequently a yaied: eich, gone i 
bracts 6-3, similar to the leaves, usually much overtopping the 
umbel ; spikelets 3-16, digitate in each sik, nae compressed, 
shining chestnut or near rly black, 4+ b 8-20-flowered ; 
glumes boat-shaped, not ee ovate, shcckepoiuted: 3-nerved; 
wae not winged ; stamens 3; anthers linear-oblong, not crested ; 
iat = the length of the eee trigonous, ellipsoid, ” pyramidal at 
pe end, duil black ; style hardly as long as the nut; “branches 9, 
gree long. C. B. Clarke in Durand and ‘Schinz, Conspect. t. Fl. Aft. 
578, 
bole 
~ 
pe 
ee 
i=) 
i=} 
ii} 
KatanaRi Recion: Transvaal; Pretoria, at Wonderboom Poort, Rehman, 
! 
Eastern Recton: Natal; Guiensius, 131 Gerrard, 699! 
Occurs throughout Tropical Africa. 
1. ¢. difformis (Linn. Amoen, Acad. iv. 302); glabrous, annual, 
