^9M TRIANDRIA MONOGYNIA. Scirpuf. 



30. 3. argenteus. Kon. Rottb. gram. 51. #.17./. 6. liinn. Sp. Pi, 

 ed. mild. 1. 311. 



Culms sub-erect, from four to eight mches'high, semi.culumnar. 

 Bead lerminal, of many sub-sessile spikelets ; involucres iiom two to 

 three, scales obtuse, monandrous. Seed roundish, compressed. 



Fjmbristylis argentea. Vahl. Enum. ii. 294. 



Found on sandy pasture ground, growing in large tufts, with the 

 exterior culms of the tuft curved- 



Root fibrous. — Culms erect, or ascending, mostly naked, from 

 four to eight inches high, round on one side, and flattened on the 

 other, sometimes with a groove on the flat side. — Leaves as in the 

 former species. — Head or Umbellet terminal, composed of from fif- 

 teen to twenty cylindrical, obtuse, sessile, silver-coloured, many- 

 flowered 8[nkes.-^Invu/ucre' two, three, or four-leaved, unequal. — 

 Scales oblong, obtuse ; keel green, the rest silver-coloured. — Sta- 

 men single. — Stigma two-cleft. — Seed obcordate, compressed, 

 smooth, pearl-coloured. 



31. S. glomeratus. Linn. Sp. PL ed. Willd. i. 296. . 



Culms six inches high, semi-culumnar. Leaves numerous, from 

 one to two inches long. Umbel composed of from six to twelve 

 ovate spikelets. Involucres and involucels the length of the spikelets. 



Hind. Buva Nerbzshee. 



Native of Coromandel and Bengal. 



32. S. arvensis. Retz. Obs.'iv.p. 11. 



Culms from six to twenty-four inches high, compressed, furrowed. 

 Leaves tortuose. l7/w6e/ simple. Jnto /were one or two-leaved, short- 

 er than the umbel. Scales obtuse, diandrous. Seed obcordate, striated 

 and dotted. 



A native of various parts of India, appearing in low moist places 

 during the rainy season. 



Culms about six inches high, compressed, and furrowed. — 

 Xeat;e5 radical, or surrouuding th^ lower portioQ of the culms, narrow, 



