yo Cyperacea. \Eleocharis. 



Moist region up to 4000 ft.; rather rare. Colombo; Ratnapura ; 

 Ambagamuwa; Dikoya. Fl April, Sept. 



Also in Assam, Malaya, China, Polynesia. 



A remarkable plant in Herb. Peraden., from Colombo, with very 

 slender filiform submerged stems, 12-18 in. long, is doubtfully referred 

 to this by Thwaites. It has no flower or fruit, and in foliage resembles 

 a very long-leaved form of C. Chcetaria. 



4. E„ fistulosa, Schultes in R. et S. Syst. ii., Mant. 89 (1824). 

 Thw. Enum. 351. C. P. 3162. 



Fl. B. Ind. vi. 626. 



Stem 2-3 ft., tufted, stoloniferous, rather stout or slender, 

 tq-\ in. broad, triquetrous above, compressed, straight, deeply 

 concave on one face, margins of two of the edges waved in 

 stout specimens, sheaths obliquely truncate, delicately mem- 

 branous, loose, ending in an ovate acute rarely lanceolate 

 hyaline limb; spikelet \-\\ in., as broad as the stem or 

 broader, greenish; lowest glumes bracteiform, orbicular, very 

 coriaceous, with membranous margins, rhachilla slender, 

 angular, with broad concave facets between the glumes ; 

 glumes \-\ in. long, laxly imbricate, broadly oblong, coria- 

 ceous^ with a broad hyaline border, i-veined, persistent; 

 bristles 6, as long as the nut or shorter, retrorsely scabrid; 

 anth. long, slender, cells with black tips ; nut obovoid or 

 orbicular-obovoid, biconvex, T V in. broad, faintly striate and 

 transversely striolate, pale or dark brown, style long, dilated 

 base three-fourths of the nut in breadth, stigmas 2 or 3. 



In water, in the low country; rather common. Fl. Nov., Dec. 

 General in the Tropics. 



5. E. spiralis, R. Br. Prod. 224 (1810). 



Scirftus spiralis, Rottb.; Moon, Cat. 6. Limnochloa media, Nees in 

 Wight, Contrib. 114. Thw. Enum. 352. C. P. 853. 



Fl. B. Ind. vi. 627. Rottb. Descr. et Ic. t. 15, f. 1 (Scirfins). 



Stems densely tufted, stoloniferous, 1-2 ft., as thick as a. 

 crow-quill, trigonous or biconvex below, triquetrous above,, 

 upper sheath with a broad ovate-oblong appressed limb, 

 sometimes \ in. long; spikelet \-\ in., thicker than the 

 stem, cylindric, obtuse, pale, lowest glume like the others, but 

 more coriaceous, rhachilla rather stout, terete, very deeply 

 regularly pitted; glumes very many, closely spirally imbricate,, 

 quadrate, T V in. long and broad, membranous, with a clearly 

 defined hyaline upper border, veinless, punctate; bristles 

 much shorter than the nut, scabrid ; anth. narrow, cells with 

 discoloured tips; nut globosely obovoid, biconvex, Jj> in. 

 diam., margins thickened, faintly striate, dark brown, shining, 

 style long, base dilated, as broad as two-thirds of the nut or 

 more, stigmas 2 or 3. 



