Chloris] XXVIII. tiRAMINK.i:. 223 



cauline internodes 3 to 4, slender, wiry, exceeding tlie leaf-sheaths ; 

 leaves resembling the radical but with blades becoming shorter 

 upwards ; spikes 2 in. long, a digitate pair, spikelets dull purplish- 

 brown, membranous, oblong-lanceolate, 2-rtowered, for the genus 

 rather laxly arranged on the slender purplish rhachis ; barren 

 glumes hyaline except the keel which is subscabridulous in the 

 upper half, the outer narrowly oblong when flattened, acute, 

 the inner ovate and slightly shorter with a bilobulate shortly 

 aristate apex ; fertile glume ovate, apex minutely bilobulate, Avitli 

 an interstitial awn about half the length of the glume, keel and 

 especially the marginal nerves densely hairy ; pale glabrous, 

 lanceolate ; upper glume shortly stalked, glabrous, hyaline, bluntly 

 lanceolate, epaleate. 



Plants in the type specimen 8 to 9 in. high, but reaching 

 1^ ft. in the set at Lisbon ; leaf-sheaths about 1 in. or less in 

 length, blades reaching \\ in. long by nearly 2 lines broad, with 

 a strong mai'gin and conspicuous midrib. Spikelets the length of 

 gl. I., which is a little over 2 lines long and nearly f, line broad, 

 gl. II. 2 lines long, aljout '; line broad, awn less than \ line ; gl. III. 

 barely 2 lines long not including the weak awn {h to 'l line), pale 

 slightly shorter, stamens 3, lodicules bluntly obcuneate, retuse ; 

 gl. IV. a little over 1 line long, slalk barely | line. 



A very distinct little species, recalling somewhat C. monostachya 

 Poir. in habit, but a much more robust plant. 



PUNGO ANnoxiw)"? — No. 2853 (no information). 



51. TRIPOGON Roth ; Benth. <fe Hook. f. Gen. PI. iii. p. 1169. 

 1. T. abyssinicus Nees ex Steud. Syn. PI. Gram. p. 301 (1854) ; 



Durand k Schinz, t*onsp. Fl. Afr. v. p. 864. 



PrxiK) Andonuo. — A densely caespitose herb, scarcely a span high, 

 culms and leaves rigidulous, often reddish ; culms numerous, slender, 

 sometimes oblique, sometimes straight, or even widely spreading. The 

 habit simulating that of A'nnh'x >:tri<i>(.^. Plentiful in the clefts on the 

 higher rocks of the pra^sidium but very sparsely flowering ; in fl. and 

 immature fr. 18 Dec. \Sr,6. Xos. 2765, 2752. Plentiful in damp lofty 

 meadows of the prajsidium at Funda-Quilombo ; end of April 1857. 

 No. 2813. On the lofty rocks of Pedras de Guinga ; Jan. 1857. No. 7389- 



52. DINEBRA Jacq. ; Benth. & Hook. f. Gen. PI. iii. p. 1171. 

 1. D. arabica Jacq. Fragm. p. 77, t. 121, fig. 1 (1800—1809). 

 D. retrq/lexa Panz. in Denkschr. Akad. Wiss. Miinch. 1813, 



p. 270, t. 12 (1814) ; Steud. Syn. PI. Gram. p. 299 (1854) ; Durand 



6 Schinz, Consp. Fl. Afr. v. p. 865 ; var. hrevifolia Durand d- 

 Schinz, I.e. ; D. hrevifolia Steud. I.e. 



LoANHA. — A laxly caespitose rigidulous annual branched from the 

 base, culms sometimes prostrate, sometimes ascending or obliquely 

 erect, 1 to 3 in. to U ft. long. Plentiful, but in a few localities, on 

 plains flooded in the rainy season between Loanda and Quicuxe ; 6 and 



7 Feb. 1859. No. 2903. Here and there in rather damp AdauHonid 

 groves near Imbondeiro dos Lobos ; Feb. 1858. No. 7292. Sporadic 

 round drying-up ponds near Bemposta ; June 1858. No. 7292/'. Nos. 

 7338, 7483 (no information). 



