SCIRPUS PLANIFOLIUS. 



FLAT-LEAVED CLUB-RUSH. 



Tr'iandria Monogynia, Linn. Cypcroidex, Juss. 



GENERIC CHARACTER. 



Calix scales chaffy, imbricated on all sides in a spike. Corolla none. Style filiform, 

 unbearded, deciduous. Seed one, naked, or surrounded with involucellate 

 seta? or threads. 



SPECIFIC CHARACTER. 



Culm triquetrous, a span high, nearly naked, ccspitose, leaves nearly radical, alternate, 

 linear, flat, keeled, scabrous, the lower ones broad, short-nerved, pointed, 

 the rest three-nerved, equal in length to the stem. Spike terminal, ovate, 

 acute, 6-flowered, bracteated ; bractea yellowish, ovate, spit pointed, longer 

 than the spike. Cal. glume ovate, pointed, yellowish, keel green. Fist, bifid 

 and trifid. Seed brown, triquetrous, bristles 3, as long as the seed. Muhl. 



This small and very pretty species of rush was first described by 

 Muhlcnburgb, who affixed the above speciiic name to it as charac- 



