462 GRAMINE^. 



TRIPOGON. F.B.I. I73LXXXVII. 



Slender densely tufted grasses with rolled leaves and 

 many-flowered spikelets (of the POACE^E p. 446) arranged 

 in two rows and forming a very slender one-sided terminal 

 spike. Basal glumes somewhat separated, one-nerved. 

 Flowering glumes with two or four teeth, a strong awn 

 flxed below the central cleft, and sometimes short awns 

 terminating the lateral teeth. Styles short. 



Species 10, in tropical and sub-tropical Asia and Africa. 



Tripogon bromoides Roth. ; F.B.I, vii 287, LXXXVII 

 8. Stem 6 to 12 inches, slender, smooth. Leaves 2 to 5 

 inches, rolled, mostly densely tufted at the base of the 

 stem ; upper stem-leaves few, about I inch on sheaths 

 of 2 inches. Spikelets slender, about ^ inch, sessile 

 in a simple terminal spike spreading outwards, olive- 

 green in colour : glume i 1/20 inch, close against 

 the stem in a furrow in it, deeply notched on one 

 side, membranous with stout nerve ; gl. ii ^ inch, 

 mucronate ; flowering gbmies four-lobed, with a strong 

 central awn attached to the back below the middle cleft, 

 and two short awns terminating the outer pair of lobes 

 and continuous with the two lateral nerves. Palea about 

 three-quarters as long as the glume finely jagged at the 

 rounded end. Rachilla bearded at the base of each 

 flower (easily seen at the flowering time because the 

 glumes open widely). 



On the downs of both plateaus. Fyson 2769. Bourne 1973, 

 2100, 2110, 31491* 5223, etc. 



Gen. Dist. Western Ghats and Ceylon. Not northward into Bombay. 



ERAGROSTIS. f.b.i. 173 civ. 



Annual or perennial grasses with erect stems and 

 narrow leaves. Spikelets many-flowered, not jointed at 



