537 



bulbous and thickened at the base, often ciliated, deciduous : 

 achenium lenticular, seldom triangular, naked and muticous at the 

 apex, surrounded at the base by a minute annular membranaceous 

 adnate disc. — Culms leafy: spikes solitary, twin, capitately con- 

 glomerate or umbellate, umbel more or less cbmpound: scales 

 usually keeled, 3-nerved at the keel, articulated at the base, deci- 

 duous, lateral lobelets persistent. 



(1) P. POLTTEICHOinES. (YoM.) 



Ident. Vahl. En. II. 249.— Nees ab. Esenb. in "Wight Contrib. 

 p. 96. 



Syn. Scirpus polytrichoides, Rfit%. db%. 411. — S. scaber, Roxb. — 

 r. scaber, Schult. Mimi. II. 59. — ^Eleogiton scabra, Dieir. Spec. 

 11. 99. 



Spec. Chae. Culms csespitose, filiform, glabrous, 1 -leaved at 

 the base : leaves short, hnear-bristly, glabrous : spike solitary, 

 erect, ovate-oblong, obtuse, supported by a short subulate bract : 

 scales ovate-oblong, obtuse, muticous, 1 -nerved : style 2-cleft, 

 ciliolate at the apex : achenium obovate, biconvex, rounded at the 

 apex, rough with very minute glands. 



Peninsula. 



(2) F. scH.aEN0iDEs. (Vahl. J 



Ident. Vahl. 1. c. 286.— N. ab. E. 1. c. p. 97. 



8yn. Scirpus Schaenoides, Itet%. — S. monostachys, Roxh. — 

 Isolepis monostachya, SeJmlt. Mant II. 61. — Eleogiton monos- 

 tachya, Dietr. Spec. I. c. 



Spec. Chae. Culms csespitose, filiform, leafy at the base : leaves 

 shorter than the culm, linear jliform, scabrous at the margin : 

 spikes solitary, erect, seldom 2 — 3, one sessile, rest pedicelled, 

 ovate, obtuse: involucre 1 -leaved, short, often none: scales very 

 broadly roundish-ovate, sometimes sub-mucronate, many-nerved : 

 style 2-cleft : achenium obovate, lenticular, umbonate, whitish or 

 brown. 



Peninsula. 



(3) P. BispicATA. fN. ab E.) 



Ident. Nees ab Esent. in Wight Contrib. p. 97. 



Syn. Scirpus bispicatus, Roxb.- — Isolepis tristachya, Schult. I. e. 

 — S. tristachyus, Roxb. 



Ident. Culms filiform, stifi^, furrowed, leafy at the base : leaves 

 shorter than the culm, linear-filiform, channelled, scabrous at the 



