628 CLXxTi. OTPERACBa:. (G. B. Clarke.) lEleocharis. 



pale. Decne in Nouv. Ann. Mus. iii. 361 ; Thw. Enum. 351 ; Balz. & Gfibs. 

 Bomb. Fl. 285 ; Miq. Fl. Ind. Bat. iii. 299. Soirpus capitatus, lAnn. 

 (:partlff) ; Soxb. F. Ind. i. 215. Eleogenna capitatus, Nees in Wight Gontrib. 

 112. Heleocharis capitata, Boeck. in LinncBa, xxxvi. 461. — Isolepis ? Wall. 

 Cat. 3486, 3487, A, 3493. 



Behae and Benoal to Ceylon and Sikgapobe, not common. — Disteib. Most 

 warm countries. 



Stems 2-14 in. SpilceUt i— J in., pale. Bristles 7, or fewer. Ntit as long as 

 f glume, compressed, obo'Void. — Usually easily distinguished from E. atropurpurea 

 by its larger size ; but small examples can hardly be separated except by the coloured 

 bristles (which are glistening-white in H. atropurpurea). 



9. E, ovata, Br. Prod. 224 (in note) ; roots fibrous, stems somewhat 

 slender, spikelet small dense, bristles exceeding the nut retrorsely scabrous 

 brown, nut straw-colrd. or brownish smooth, style 2-fid base broad 

 triangular. O. B. Clarke in Journ. Bot. xxt. 268. Soirpus ovatus, Soih. 

 Cafal. i. 5. Eleogenus ovatus, Nees in I/inncea, ix. 294. Heleoeharis 

 ovata, Boeck. in Flora, xliii. 2, and in Linnaa, xxxri. 462 ; Boiss. Fl. 

 Orient, v. .887. 



India; Wallich, 3487 {partly in Serb. Kew). — Distbib. Tropics and temp, 

 regions. 



Very much resembles E. capitata, except in the colour of the nut, and the shape 

 of the style-base. 



10. E. palustrls, Br. Prod. '2,24: {in note); rhizome creeping, stems 

 medium or stoutish, spikelet ellipsoid or cylindrio dense-fld., nut yellow 

 or brownish, style 2-fid base conical or ovoid, Nees in Wight Contrib. 113 ; 

 O. B. Clarice in Journ. Bot. xxv. 267. E. nniglumis, Nees I. c. 113. 

 Soirpus palustris, Linn. 8p. PI. 70 ; Beichh. Ic. FL Germ. viii. 38, t. 297. 

 S. nniglumis, Link Jahrh. iii. 77. Heleocharis palustris, Boiss. Fl. Orient. 

 V. 386 ; Boeck. in Linncea, xxxvi. 466 (exol. examples with 3-fid style). — 

 Eleocharis, Wall. Gat. 3449, 3450, 3451, 3455. 



From the W. Himaiata, ascending to 12,500 ft., to SiND and BsNaAL.— 

 Disteib. Cosmopolitan (not known from Australia, Oceania or Malaya). 



Rhizome black or chestnut. Stems 4-20 by ^-J in. diam.; uppermost sheath 

 trnnoate, on one side sometimes triangularly produced. Spikelet i-1 by i in., 

 chestnut or straw-colrd. Glumes obtuse, persistent, keel green, lowest empty about 

 t surrounding or (in form nniglumis) almost wholly surrounding stem. Bristles 6, 

 as long as nut, retrorsely scabrous, rusty-brown, or (more frequently) reduced both 

 in numbers and length. Stamens 3, but in flowers near the tahtecent top of the 

 spikelet, and in small depauperated examples, 2-1. Nut as long as \ glume, 

 unequally biconvex, obovoid, much narrowed at top, sometimes to a very short 

 beak ; style-base contracted below on nut ; outer cells of nut quadrate-hexagonal 

 or shortly longitudmal oblong, obscure i.e. nut smooth ; or very rarely cells more 

 prominent, i.e. nut reticulated. 



Sect III. Blbochaeis proper^As Sect. II. (Eleogenus), but style 

 d-nd. — Limnoehloa, Lestib. Essai Cyp. 41 {not of Nees.) 



* Aciculares. Nut trabeeulate i. e. its outer transversely-oblong small 

 cells superimposed m vertical series so that the nut appears longitudinally 



11. B. acicularis, Br Prod. 224 {in note); rhizome filiform, stems 

 capillary, spikelet slender few-fld., style 3-fid, nut oblong-lanceolate straw- 



