Scrrpus. triandria monogynta. 223 



from three to six inches high, angular, smooth. Leaves fili- 

 form, as long- as the culm, woolly near the mouth of the 

 sheaths. Head terminal, sessile, composed of from three to 

 five small, sessile, few-flowered spikes. Involucre from two 

 to three-leaved. Scales pointed. Stamm single. Stigma 

 three-cleft. Seed three-sided, short, thick, smooth, white. 



29. S. antarcticus. Linn. sp. pi. ed. Willd. i. 310. VahL 

 enum. ii. 26 1 . 



Culms erect, from three to six inches high, round. Head 

 terminal, of many spikelets. Involucres from two to three- 

 pointed. Seed three-sided. 



Grows on sandy pasture ground. 



Root fibrous. Culms erect, from three to six inches high, 

 round, smooth. Leaves radical, embracing- the base of the 

 culms, sheathing, half the length of the culm. Head or 

 umbellet terminal, globular, composed of numerous small, 

 sessile, few flowered, conical, pointed spikes. Involucre from 

 two to three-leaved, scarcely the length of the head. Scales 

 pointed. Seed three-sided, smooth. 



30. argenteus. Kim, Rotlb. gram. 51. t. 17. J'. 6. Linn. sp. 

 pled. Willd. i. 311. 



Culms sub-erect, from four to eight inches high, semi-cu- 

 lumnar. Head terminal, of many sub-sessile spikelets. In- 

 volucre* from two to three ; scales obtuse, monandrous. Seed 

 roundish, compressed. 



Fimbristylis 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 flatten- 

 ed on the other, sometimes with a groove on the flat side. 

 Leaves as in the former species. Head or umbellet terminal, 

 composed of from fifteen to twenty cylindrical, obtuse, sessile, 

 silver-coloured, many-flowered spikes. Involucre two, three, 



