220 XXVIII. GRAMiNE^E. [Microchloa 



fertile glume hyaline, truncately ovate, plicate, shortly mucronate, 

 nerves 3, hairy on the back, margins narrow, incurved at the lateral 

 nerves ; pale truncately lanceolate, apex retuse, nerves approxi- 

 mate, hairy on back ; anthers 3, pale yellow ; ovary glabrous. 



Fully developed plants 8.1 in. high, densely leaved, culm-bases 

 li to 2 in. high, the sheaths short, compressed, and except the 

 outermost hidden by those below, not exceeding 2 lines long ; 

 blades ^ to '} in. long, the older ones becoming flattened and I^ 

 line broad, cauline leaves linear, plicate, with shortly pungent 

 apex, rarely exceeding i in long; fully grown flowering culms 

 7 in. above the leaves. Spikes reaching 2f. in., scarcely exceeding 

 -^ line in width, rhachis glabrous. Spikelets whitish green in 

 dried specimens; gl. I. 1.', line long, whitish with green nerve, 

 gl. II. slightly longer (scarcely l-i line) fertile gl. 1 line, pale 

 slightly shorter, anthers a good ^V line. 



The spike is that of J/, setacea, but the species is distinguished 

 by its broader ensiform leaves, which give it a very distinct habit. 



PuNGo Andongo. — A grass lasting several years, widely ctespitose 

 like Cherkria sedoiden in rock-fissures, leaves somewhat fleshy becoming 

 pale on drying, spikes simple secund falcate. On the rocks of the 

 pra3sidium, but not often flowering ; Feb. 18^7. Xos. 2800, 2816. 

 Dec. 1856. No. 2763. 



3. M. obtusiflora Benth. in Hook. Niger Fl. p. 565 (1849) ; 

 Steud., I.e. ; Durand & Schinz, I.e. 



Var. minor Rendle var. nov. 



A small form 3^ to 5 in. high, with slender flexuose hair-like 

 stem, basal leaves ^ to ^- in. long, \- line or less in width ; spike 

 less than 1 in. long. 



HuiLLA. — Humpata plateau, where Welwitsch was attacked by 

 three lions ; end of Jan. 18()0. No. 2637. 



47. CYNODON Pers. ; Benth. & Hook. f. Gen. PI. iii. p. 1164. 



1. C. Dactylon Pers. Syn. PI. i. p. 85 (1805) ; Steud. Syn. PI. 

 Gram. p. 212 (1854); Durand & Schinz, Consp. Fl. Afr. v. p. 856. 



C. glabratus Steud., I.e. ; Durand k. Schinz, I.e., p. 857. 



Island of St. Vincen'I', Cape Verdk Is. — On short-grassed rather 

 dry slopes of Monte Verde ; Sept. 1853. No. 2924. 



L(JANDA. — Capim dos caballos (horse hay). Perennial, with very 

 long stolons reaching 10 to 12 ft., rooting at the nodes. The most 

 pleasing of the few grasses of the littoral region which are liked by 

 cattle. Not plentiful enough on the low sunny sandy-clayey hills of 

 the Loanda district near Alto das Cruzes on the way from Maianga do 

 Povo ; May 1858. No. 7305. No. 7328 (no notes). 



Bkngo.— Among herbage in the palm-groves on the river Bengo ; 

 plentiful but only in places inundated in winter ; Dec. 1853. 

 No. 7453. 



GoLUNGO Alto. — Called by the Portuguese colonists Capim de 

 cavallos. A perennial strongly caespitose grass, with tough stolons 

 usually 5 to 8, sometimes 12 ft. long, spreading horizontally and root- 

 ing at the nodes, vegetating the whole year through. On poor rather 

 dry hills throughout the district, but not universal. The only kind of 



