126 XXVII. CYPERACE^. [Bulbosti/Us 



GoLUNGO Alto. — Very plentiful in lofty short-grassed mountain 

 places (about 2,200 ft.) at the east of Banza de Quilombo, Sobata 

 Quilombo ; long past flowering, end of Jan. 1855. No. 7016. On the 

 short-grassed slopes of the Queta mountains ; Nov. 1855. No. 7020. 



14. B. trabeculata C. B. Clarke, I.e., p. 616. 



Fimhristylis barbata, var. subtristachya Ridl., I.e., p. 152. 



LoANDA.— A very slender plant ; heads with 3 to 4 spikelets in a 

 two-leaved involucre. Plentiful in gravelly soil on the island of 

 Casanga or Ca^anga, south of Loanda ; 30 April 1854. No. 6982. 

 Here and there on the sandy sea-shore of Praia de Zamba Grande and 

 Maianga d'El Rei ; 13 Feb. 1858. No. 7000. A cKspitose annual, 

 3 to 5 in. high ; spikelets linear-lanceolate, laxly cymose, somewhat 

 fuscous. Praia de Zamba Grande ; May 1858. Coll. Carp. 1115. 



MossAMEDES. — Cabo Negro. Rather damp places on the banks of 

 the river Caroca (now almost dried up), but not very plentiful ; 

 Sept. 1859. No. 6962. 



9. SCIRPUS L. ; Benth. & Hook. f. Gen. PL iii. p. 1049. 



llemicar'plm Nees ; Benth. & Hook, I.e., p. 1053. 



1. S. fluitans L. Sp. PL p. 48 (1753); RidL in Trans. Linn. 

 Sec. ser. 2. ii. p. 156 ; C. B. Clarke in Durand & Schinz, Consp. 

 Fl. Afr. V. p. 621. 



HuiLLA. — Sometimes growing erect and widely csespitose in the 

 mud, sometimes floating in very great tufts in the river. Caryopsis 

 obovate-orbicular, evidently stalked, biconvex and subcompressed, 

 slightly thickened round the margin, faces smooth, apex mucronulate 

 with the thickened style-base. Plentiful on the sandy-clayey banks 

 and in the water of the river Quipumpunhime, Sobato Humpata, 

 decorating extensive areas with a very pleasant green ; Oct. 1859. 

 No. 6965. 3 to 5 ft. long ; plentiful in streams on the Humpata plain ; 

 21 March 1860. No. 6966. Stream-swamps near Mumpulla growing 

 with Ottdla, Xyrh, and Juncus ; Oct. 185*J. No. 6967. 



2. S. angolensis C. B. Clarke, I.e., p. 617. 

 S. spadiceus Boeck., var. ciUatus PiidL, I.e. 



Puxdo Andonoo. — Spikes very compact, deep purple, almost black 

 when alive. Damp lofty pastures of Pedra Songue and Cazella, Jan. 

 and Feb. ; marshy places in the heights of Pedra Songue, April 1857. 

 No. 6836. Growing in dense masses in rather damp soil on rocks 

 covered with short herbage near Catete in the presidium. No. 7166. 



3. S. articulatus L., I.e., p. 47 ; PtidL, I.e., p. 157 ; C. B. Clarke, 

 Z.C., p. 618. 



S. articulatus var. major Boeck. in Linnsea xxxvi. p. 702 

 (1869-70) ; RidL, I.e. 



Congo. — Widely csespitose on the edges of the pool Lagoa de Qui- 

 zemba, growing with Cijperua articuhitns ; Nov. 1853. No. 6978. 



IcoLO E Bengo. — Plentiful on the marshy margin of Lagoa de 

 Funda ; Sept. 1854. Nos. 6851, 6979. 



PuxGO Andongo. — Very rare in the loftier woods of Pedras de 

 Guinga, round deep ponds growing with Lythracese ; Mar. 1857. 

 No. 6850. 



4. S. corymbosus Heyne ex Roth. Nov. PL Sp. p. 28 (1821); 

 RidL, I.e., p. 158 ; C. B. Clarke, I.e., p. G20. 



5. corymbosus, var, microstachyus Boeck., I.e., p. 706. 



