Eleocharis.] clxxii. oyperaob^. (C. B. Clarke.) 629 



colrd. 0. B. OlairJce in Zand. Jowrn. Bot. xxv. 270. Soirpus acicularis, 

 Lmn. Sp. PI. 71 (partly) ; Reich. Ic. Fl. Oerm. t. 294, eleocharis ; BoecJc. in 

 Linneea, xxxvi. 431. Ohastooypems costulatTas, Nees et Meven PI. Meyen, 

 96. 



Madras Peninstia ; SottUr {Herb. JEew).— Distsib. Europe, N. & E. Asia, 

 America. 



Stems 2-4 in. Spileelet ^ in., with 4-6 (rarely 8-10) nuts. Q-Viimes in the few- 

 fld. spikelets subremote, lower 2-3-Btiohous, upper distinctly spiral. Bristles 3-4, 

 white, feebly retrorse scabrid, variable in length, occasionally wanting. Nut as long 

 as i-f the glume, polyhedral, subterete, with 12-15 longitudinal ribs; style-base 

 small narrow bulbiform. 



** Chsetarieae. Nut coarsely prominently ccmcellaie, i.e. its outer sub- 

 qnadrate large cells prominent. 



12. E. CliSBtaria, Boem. & Sch. Syst. ii. 154 and Mont. ii. 90 ; roots 

 fibrous, stems small, spikelet small few-fld., style 3-fid, nut triquetrous 

 white truncate. E. setacea, Br. Prod. 224 (m note), not 225. Oyperus 

 setaceus, Betz. Ohs. t. 10; Boxb. Fl. Ind. i. 185. Chaetocyperus Lim- 

 nooharis, Nees in Wight Contrib. 96. Oh. setaceus, JVees in Linn/za, ix. 

 289 ; Miq. Fl. Ind. Bat. iii. 298 ; Thw. Enum. 351. Heleocharis Ohaetaria, 

 BoecJc. in Linneea, xxxvi. 428. — Isolepis, Wall. Cat. 3485. 



Bengal to Cetlon and Malacca. — Disteib. Tropics. 



Rhizome 0, or sometimes nearly an inch, filiform, white. Stems usually 1-4 in., 

 occasionally 6-10 in. ; [uppermost sheath lax, whitened, scarcely torn, Spikelet i 

 in. , with 1-4 nuts. Glomes subdistichous, upper spiral. Bristles 6, as long as nut, 

 retrorsely scabrous, pale, occasionally smaller or obsolete. Nut as long as ^ glume, 

 the acute angles sometimes excurrent at its shoulder, outer cells in each face in 

 6-10 series, sometimes perforated, style-base depressed-conic. 



*** Leiocarpicae. Nut smooth, i.e. outer cells quadrate-hexagonal or 

 shortly longitudinal oblong obscure so that the nut is neither distinctly 

 striated nor distinctly reticulated. 



13. E. subvivipara, Boech. in lAnnaa, xxxvi. 424 (Heleocharis) 

 caespitose, stems filiform, spikelet often proliferous, lower glumes 

 3-3-stichous, nut obovoid much narrowed at top, style 3-fid base linear- 

 conic. H. cffispitosissima. Baker in Journ. Linn. Soc. xxi. 450. 



Khasia Hills ; alt. 4-5000 ft., C. B. Clarke; Nilghiri Hills (fide 

 Boeckeler). — Distbib. Madagascar. 



Moots fibrous, or (fide Baker) slender stolons sometimes present. Stems 4-16 

 in.; uppermost . sheath truncate. Spikelet i-i in., few-fld., sometimes longer 

 clavate with many empty lower glumes. Bristles 6, as long as nut, retrorse- 

 scabious, pale ferruginous. Nut as long as ^— f the glume, trigonous, olive, 

 narrowed at top into an exceedingly short narrow neck ; style-base very much 

 narrower than nut, wider than neck of nut. 



14. E. afflata, Steud. 8yn. Cyp. 76 ; caespitose, stems slender 

 uppermost sheath truncate spikelet dense sometimes proliferous, nut 

 obovoid yellowish green, base large pyramidal, style 3-fid, Miq. Fl. 

 Ind. Bat. iii. 299. E. subprolifera, Steud. I. c. 80 ; Miq. Fl. Ind. Bat. iii. 

 300. Scirpus afflatus, Benth. Fl. Songk. 394. Heleocharis subpro- 

 lifera, Boeck, in Linneea, xxxvi. 426. H. Thomsoni, Boeck. I. c. 461. H. 

 oohrostaohys, Boeck. I. c. 452 {not of Steud.). H. chlorocarpa, Boeck. in 



