108 XXVII. CYPERACE. [Pycreus 
the damp meadows of Catete with Polygala africana; Jan. 1857. 
By wooded marshes near Quilanga and in the presidium ; Feb. 1857. 
No. 6919. 
10. P. melas C. B. Clarke, l.c., p. 538. 
Cyperus melas Ridl., i.c., p. 127. 
Punco ANDONGO.—Marshy places near Lombe, with another robust 
deep-reddish Cyperus; March 1857. No. 6913. Mutollo, Serra de 
Guinga with dwarf Irides (Ferraria andongensis) and Xyris fugaciflora ; 
Jan. 1857. Nos. 6914, 7154. 
Huiitia.—Lofty pastures of Morro de Lopollo on the way to 
Empalanca, in places which are flooded in the rainy season ; April 
1860. No. 6871. 
11. P. polystachyus Beauv. Fl. Owar. ii. p. 48, t. 86, fig. 2 
(1810-18) ; C. B. Clarke, J.c., p. 540. 
Cyperus polystachyus Rottb. Descr. & Ic. p. 39, t. 11, fig. 1; 
Ridl., Z.c., p. 127. 
PrRIncE’s IsLanp.—In wet places in the higher part of Pico de 
Papagaio ; Sept. 1853. No. 70382. 
AmBriz.—Heads yellowish. In marshy wooded places south of the 
town ; Nov. 1853. No. 7041. 
Loanpa.—By pools and ponds on the island of Cazanga (called also 
Casanga or Cacanga), south of Loanda ; in a few places with Typha, 
ete. ; 30 April, 1854. No. 7081. 
GoLuNGo ALTo.—Plentiful in damp spongy places on the banks of 
the stream Quiapose, near Sange ; Jan. 1855. No. 7100. 
Punco ANDONGO.—Growing in marshy meadows with species of 
Ascolepis. No. 6927. 
MossaAMEDES.—Marshes near Aguadas not far from Mossamedes ; 
July 1859. No. 6890. Damp places on the banks of the river Caroca 
(vulg. Croque), near Cabo Negro ; Sept. 1859. No. 6891. 
12. P. nitens Nees in Nov. Act. Acad. Nat. Cur. XIX. Suppl. 
1. p. 53 (1843); C. B. Clarke, lc., p. 539. 
Cyperus pumilus L. Cent. ii. Plant. p. 6 (1756); Ridl., ic., p. 129. 
Loanpa.—Low growing, obscure, almost cinerascent, csespitose ; 
spikelets finely pectinate as in some species of Sphacelaria, eg. 
S. filicina. Rather rare at the dry bottoms of ponds and on their 
edges; near Conceigao at Represa de Maghalaes. Past flowering 
12 July, 1854. No. 7076. 
Punco ANDONGO.—Meadows at Catete Jan. 1857. Umbilla, Cuanza ; 
March 1857. No. 6907 (in part). By wooded marshes in sunny places 
between the presidium and Quilanga; Dec. 1856 and Feb. 1857. 
No. 6921. 
MossaMEDES.—In damp sands on the banks of the river Bero; 
beginning of Aug. 1859. No. 6888. 
HuritLa.—Too plentiful in fields near Lopollo after a crop of 
Sorghum ; May 1860. No. 6854. Plentiful in rather damp sandy 
fields with a clayey subsoil, growing with dwarf Eriocaulacee ; May 
1860. No. 68790. 
13. P. cuanzensis C. B. Clarke, /.c., p. 536. 
Cyperus cuanzensis Ridl., l.c., p. 128. 
Punco ANDONGO.—Marshy meadows on the river Cuanza near 
N-billa ; March 1857. No. 6899. 
