540 



spikes lanceolate, central ones sessile : scales keeled, ovate, mucro- 

 nulate, 3-nerved at the back, rusty and marked witli a riper double 

 zone : stamens 3 : style 3-cleft : acbenium obovate, trigonal, almost 

 umbonate, very.obsoletely dotted. 



Peninsula. 



(10) F. scABEEEiMA. f N. ah E.) 



Ident. Nees ab Esenb. in Wight Contrib. p. 102. 



Spec. Chae. Culms compressed, furro-wed, scabrous: leaves 

 shorter than the culm, linear, flat, scabrous at the margin : umbel 

 decompound, many -rayed : rays very unequal, glabrous : involucre 

 2-leaved, exceeding the umbel : spikes ovate-oblong, acute, central 

 ones sessile : scales keeled and boatTshaped, ovate, mucronulate 

 below the apex, 3-nerved at the back : stamens 3 : style 2-cleft : 

 achenium roundish-obovate, lenticular-biconvex, scabrous with 

 obsolete tubercles. 



SOhet. Peninsula. ■ 



(11) F. QTTDfOTAIfGXrLAKIS. (Kuwth.) 



Ident. Kunth Enum. pi. II. p. 229. 



Syn. Scirpus quinquangularis, V<M. Bjoxb. — Triohelostylis 

 quinquangularis, Wight Contrib. p. 104. — S. pentagonus, Roxb. 



Spec Chae. Culms csespitose, 5-angled, leafy at the base, 

 sometimes leafless : leaves linear, flat, acute, scabrous above at the 

 margin : sheaths compressed, distichous : umbel irregular supra- 

 decompound : involucre somewhat 5-leaved, bristly, short : spikes 

 ovate, acute, central ones sessile : scales keeled, broadly ovate, 

 mucronulate, 3-nerved at the back and marked with a double rusty 

 zone : stamen one : style 3-cleft : achenium roundish, 3-comered, 

 umbonate, transversely striated, tubercled and muriculate. 



Peninsula. Lower Bengal. 



(12) F. SAiBTJiTDiA. (Kunth. J 



Idmt. Kunth 1. c. p. 230. 



Syn. Triohelostylis salbundia, Wight Contrib. p. 105. 



Spec. Chae. Culms csespitose, rigid, acutely 5-angular, sheathed 

 at the base, leafless : umbel irregularly supra-decompound : in- 

 volucre somewhat 3-leaved, subulate, short : spikes elliptic, central 

 one sessUe : scales keeled, broadly ovate, rounded at the apex, 

 muticous, 3-nerved at the back, keel rusty : stamens 3 : style 

 3-cleft : achenium truncately obovate, obtusely keeled. 



SUhet. 



