234 ■ XXVIII. GRAMiNE^. [Eragrostis 



Fl. Afr. Austr. p. 408 (1841); Steud., I.e., p. 272. Catabrosa 

 micrantha Hochst. ex A. Kich. Tent. Fl. Aby.ss. ii. p. 426 (1851). 

 Poa sjioroboloides A. Eich., I.e. 



Ambaca. — In damp sandy places between Ambaca and Zamba ; 

 17 Oct. 1856. No. 2745. 



LoANDA. — Very plentiful by dried-up ponds near Quiciixe (Represas 

 pequenas do Sr. Ricardo) and hitherto only found in that place ; July 

 1854. No. 7291. 



GoLUNGo Alto? — No. 2970 (no information). 



HuiLLA. — By the stream (now almost dried up) of MumpuUa, but 

 growing very sparsely ; Oct. 185'.). No. 2658. 



MossAMEDES.— In sandy places on the river Maiombo, growing with 

 a species of Amndn, culm erect, 8 to 5 ft. high ; Oct. 1859. No. 2305. 

 A rigidulous grass with chestnut-coloured spikes and culms somewhat 

 branched at the base. Rather rare in damp sandy places on the river 

 Bero (named Bocca [mouth] or Garganta do Rio Bero), July 1859 ; 

 and in swampy places on the river Caroca, Sept. 1859. No. 2599. An 

 annual Aim-like grass rather rare about the lakes near S. Joie de 

 Caroca, Cabo Negro ; Sept. 1859. Coll. Carp. 1105. 



Sect. 2. — Pteroessa. 



7. E. amabilis Wight & Arn. ex Nees in Hook. & Arn. Bot. 

 Beech. Voy. p. 251 (1841); Steud., I.e., p. 265. 



E. unioloides Nees ex Steud., I.e., p. 264; Durand & Schinz,. 

 I.e., p. 891. 



PuxGO Andongo. — An annual about a span high, laxly ca3spitose,. 

 slender, elegant ; culms filiform, ascending, spikelets somewhat 

 flattened ; whitish, Briz<i-\\kQ. On the rocky sandy-clayey slopes of 

 Pedras de Guinga, with species of Gladiolus ; March 1857. No. 2936. 

 By sides of streams between Candumba and Muta Lucala but rare ; 

 March 1857. No. 2936i. 



8. E. stenophylla Ho 



(1851) ; Steud., I.e., p. 266 (1854). 



SiERKA Leone.— Sept. 1853. No. 2945. 



PuxGo Ax noxGo.— Plentiful in marshy sandy meadows between Can- 

 dumba and Lombe ; March 1857. No. 2814. Nos. 2861. 2873 (no notes). 



9. E. Welwitschii Rendle sp. nov. 



A delicate csespitose annual ; culms filiform, erect, branched, 

 internodes 4 to 5, polished, glabrous, the lower sliort ; nodes slender, 

 brown, glabrous ; leaves small, lower sheaths papery, compressed, 

 carinulate exceeding the internode, the upper becoming cylindrical 

 and increasingly shorter than the internode, glabrous except for a 

 few hairs at the constricted mouth ; ligule a dense row of minute 

 hairs ; blade narrow, tapering gradually from the base to the 

 sharply acute apex, convolute, upper face sparsely pilose, lower 

 and outer glabrous, striate, with prominent midrib ; panicle ob- 

 long, glabrous, branches solitary, short, capilliform, ascendo-patent, 

 tearing from the base upward similar branchlets or stalked sub- 

 patent spikelets, pedicels about as long as, or of the terminal, 

 longer than the spikelets, the latter oblong to oblong-lanceolate, 

 compressed, compact, purplish, 10- to 14-flowered; barren glumes 



