112 XXVII, CYPERACEAE, [Cyperus 
9, C. compactus Lam. Ill. i. p. 144 (1791); C. B. Clarke, Lec., 
p. 552. 
C. argenteus Ridl., lc., p. 133. 
C. margaritaceus Vahl var. minor Ridl.,, Le. 
C. obtusiflorus Vahl Enum ii. p. 308 (1806) ; Ridl.,Z¢, p. 132. 
Punco ANDONGO.—Low thicket-grown hills between Candumba 
and Muta Lucala; March 1857. No. 6900. 
HuviLia.—Spikelets snow-white, in a dense head. Low thicket- 
grown hills near the small river of Catumba; end of March 1860. 
No. 6905. Near Nene. In the thicket-grown pastures so often damaged 
by fires; Feb. and April 1860. No. 6906. 
Var. flavissimus C. B. Clarke, Jc. 
C. obtusiflorus Vahl var. flavissimus Boeck. in Linnea xxxv. 
p. 529 (1867-68); Ridl., Zc. 
Hvitia.—Rather rare in the drier short thicket-grown pastures 
near Lopollo ; beginning of April and May 1860. No. 6876. 
Var. tenerior C. B. Clarke, /.c. 
Huitia.—In the short thicket-grown pastures of Empalanca; end 
of Feb. 1860. No. 6803. 
10. C. ochrocephalus C. B. Clarke, Z.c., p. 571. 
C. obtusiflorus Vahl pro parte; et Var. Stylo bifido Ridl., d.c., 
p. 132. 
Go.tunco Atto.—A rigid herb with horizontal moniliform tubercu- 
lose rhizome, culms trigonous, leaves semicylindrical rigid pungent. 
Heads whitish verging into green. The first plant which appears after 
the fires, following closely upon them and springing with strong growth 
from the ashes of the burned plains. Thicket-grown pastures (Quei- 
madas) Sobato de Bumba, but not plentiful, Oct.; very plentiful, 
Dec. 1855. No. 6813. Same locality ; Oct. 1855. Coy. Carp. 1078. 
Very rare on the spongy marshy margins of the river Quiapoze ; Dec. 
1855. No. 7014. 
HviLia.—On low rather dry hills at Lake Ivantala, but flowering 
very sparsely ; end of Feb. 1860. No, 6838. 
11. C. margaritaceus Vahl Enum. Pl. ii. p. 307 (1806); RidL, 
Lc, p. 183; C. B. Clarke, Zc., p. 568. 
Punco ANDonGo.—Condo Quisonde ; March 1857. No. 6903. 
Hvitita.—Pastures bearing short herbage by the edges of woods 
near Humpata, but only found here and there; end of April 1860. 
No. 6904. 
12. C. nudicaulis Poir. Encycl. vii. p. 240 (1806); Ridl., Jc., 
p. 133; C. B. Clarke, J.c., p. 570. 
Anosporum nudicaule Boeck. in Linnza xxxvi. p. 411 (1869-70). 
DanvE.—1 to 2} ft., densely czespitose, bright-green, culms erect 
slender soon nodding among grasses and other neighbouring plants, 
spikelets a tawny yellow or dull shining gold in a dense head at the top 
of the culm, sometimes narrow linear, sometimes ovate-lanceolate 
strongly compressed. Round the lake in the river Dande near Bombo, 
three leagues from the river mouth ; end of Sept. 1858. No. 7028. 
13. C. sylvestris Ridl., Z.c., p. 134. 
C. diffusus OC. B. Clarke, l.c., p. 557 (non Vahl). 
