216 XXYIII. GRAMINE.E. [Trichopteryx 



PuNGo Anoongo. — 4 to 5 ft. high, with an erect, slender, slightly 

 branched culm. Remarkably social. Very plentiful on the rather 

 damp banks of the river Cuanza near Condo, Calemba, etc. ; 12 March 

 18r)7. No. 7412. Sandy woods of Leguminosa;; Feb. 1H57. No. 2782. 



5. T. viridis Rendle sp. nov. 



Perennial, c8e.spitose, culms strong, erect, base .subascending, 

 enveloped by the equitant pubescent sheaths of the withering 

 basal leaves ; cauline internodes 3, the lowest minutely pubescent, 

 the upper glabrous, except the uppermost longer than the sheaths ; 

 nodes densely hairy ; ligule a short dense row of whitish hairs ; 

 blades linear-lanceolate from a tapering base, acute, margined, 

 midrib conspicuous, lower face pubescent ; panicle springing from 

 the uppermost leaf-sheath which reaches to its base, lineai- or 

 narrowly lanceolate, dense, rhachis and branches pubescent, 

 branches alternate, erect or suberect, secondary branches suberect, 

 subsecund ; spikelets terminal, or sessile and shortly stalked in 

 pairs, lanceolate, membranous, yellowish-gi^een tinged with purple, 

 5 to 6 lines long; gl. I. ovate, blunt, conspicuously 3-nerved, 

 nearly half as long as gl. III. ; gl. II. elliptical nari'o\ving above 

 to a long linear blunt tip, conspicuously 3-nerved, exceeding gl. III. 

 which is elliptical narrowing above to a shortly acuminate blunt 

 hyaline apex, 5-nerved, pale flat, hyaline, enclosing a triandrous 

 (J flower; gl. IV. on a densely hairy callus, elliptical-ovate, 

 9-nerved, apex wdth 2 acute lobes, between which springs an awn 

 twice the length of the glume, the rounded back of the glume 

 bearing just below the middle line eight intervenal tufts of 

 whitish hairs ; pale ovate-lanceolate, the 2 veins bearing a cii-ci- 

 nately incurving keel below the middle line, flower $ , triandrous, 

 ovary glabrous. 



Plants 3 ft. high, with a strong sympodial rhizome ; basal 

 sheaths 2 to 4.! in. long, the cauline 5 to 8 in., loosely enveloping 

 the stout, terete internode ; blades of basal leaves to 8 in. long 

 by over 4 lines broad, on the culms shorter. Panicle 8 to 10 in., 

 and pi'obably longer, lower branches reaching 5 in. becoming 

 shorter upwards ; gl. I. about 21 lines long, sparsely pubescent 

 near the tip ; gl. II. 5 to 6 lines, glabrous ; gl. III. 41 lines, 

 the outei'most nerves falling short of the rest, the hyaline 

 apex nerveless, glabrous ; pale delicate, 4 lines ; gl. IV". about 

 31 lines, hairs of callus reaching to the origin of the dorsal 

 tufts, which themselves fall short of the tips of the lateral lobas, 

 the 3 central nerves passing into the base of the awn, the 3 lateral 

 into the lobe; awn 6 to 7 lines long, the pale subula slightly 

 exceeding the brown twisted column ; pale 3 lines long, anthers 

 brownish, 2^ lines, lodicules cuneate, between 1 and 1 line. 



A very distinct species characterised by its greenish membranous 

 spikelets, triandrous flowers, tufted-hairy fertile glume and locally 

 keeled pale. 



Huii-J.A. — A caespitose grass with habit of A retia, very much liked by 

 cattle. In rocky, thicket-grown pastures round the great Hippopotamus 

 lake (Ivautala) ; Feb. 18G0. No. 2633. 



