300 GraminecB. \Diplachne~ 



not contracted, much narrower than the truncate mouth of the 

 sheath, which is not auricled, but villous with the long hairs 

 composing the ligule; panicle 12-16 in., erect or nodding, 

 rhachis and branches quite smooth, angular, wiry, pedicels 

 pubescent below the spikelets or glabrous; spikelets 3— § in. 

 long, rarely more, flat ; fig. glumes articulate at the base, callus 

 very short, hairs nearly half as long as the glumes ; grain T V in. 

 long, red-brown. 



Northern Province, Adam's Bridge. Spikelets pale yellow. 

 Tinnevelly, Scind, Arabia, E. Trop. Africa. 



69. DIPXiACHNE, Benin: 

 Tufted, perennial (?) grasses ; stems erect or ascending, 

 stout or slender, simple or sparingly branched ; 1. narrow; 

 spikelets few- or many-fid., sessile, uniseriate on the slender 

 spiciform branches of a contracted, subsimple, erect panicle, 

 not - articulate at the base, strongly laterally compressed,, 

 rhachilla articulate between the flg. glumes, not produced 

 beyond the neuter uppermost; glumes I and II unequal,, 

 membranous, 1 -veined, oblong, obtuse, persistent, flg. glumes 

 thin, oval, tip bidentate with a mucro in the sinus, 3-veined, 

 lateral veins marginal, callus very short, bearded, palea as 

 long as the glume, keels ciliate; lodicules cuneate; stam. 3, 

 anth. short; styles short, bases distant, stigmas short, plumose, 

 laterally exserted ; grain oblong, stipitate, concavo-convex, 

 free in the glumes. — Sp. about 20; 1 in Fl. B. Ind. 



D. fusea, Beauv. Agrost. 163 (18 12). 



Trim. Syst. Cat. Ceyl. PI. 109. Uralepis fusea, Steud, ; Thw. Enum. 

 372. C. P. 934. 



Fl. B. Ind. vii. 328. Del. Fl. y£gypt. t. xi. f. 1 {Festuca fused). Rheede, 

 Hort. Mai. xii. t. 45. 



Stems tufted, 1-3 ft. high, erect from the fibrous roots, up 

 to the thickness of a goose-quill, simple or branched, some- 

 times proliferously, terete, polished, internodes long; 1. chiefly 

 radical, strict, erect, 6-10 by ^V~tV m > ^ at or convolute, finely 

 acuminate, faintly scaberulous, base not constricted, sheaths 

 long, smooth, mouth truncate, not auricled, ligule oblong, 

 membranous, lacerate ; panicle 6-10 in. long, erect, narrowly 

 oblong, rhachis smooth, spiciform branches filiform, lower 

 1-4 in. long; spikelets erect, rather distant, \-\'m. long, 4-10- 

 fld., green, rhachilla slender; glumes I and II with smooth or 

 scaberulous keels, I oblong-lanceolate, obtuse, II about one- 

 third longer and broader, acute or tip erose, flg. glumes oval, 



