EleocharisJ] CLXXII. CYPERACE.E. (C. B. Clarke.) 627 



nearly an inch acute, bristles 6 as long as the cancellate nut retrorsely 

 scabrous, style usually 3-fid. E. acutangula and media, Schultes I. c. 91. 

 E. planiculmis, Steud. Syn. Gyp. 80 ; Zoll. Verz. Ind. Archip. ii. 62. 

 Scirpus fistulosus, Poir. Encycl. vi. 749. S. acutangulus and medius, 

 Roxb. Fl. Ind. i. 213. Limnochloa media and acutangula, Nees in Wight 

 Contrib. 114. Heleocharis fistulosa, Boeck. in Linncea, xxxvi. 472. 

 Eleocharis, Wall. Cat< 3453. 



' From NEPAL and ASSAM to BURMA and CEYLON. DISTEIB. Tropics 

 generally. 



Stems 1-3 ft. by + in. Spikelet scarcely broader than the stem, dusky green. 

 Glumes in., suberect, obovate, rather laxly imbricate, dirty straw-colrd. Nut as 

 long as glume, unequally biconvex, obovoid, top narrowed ; style-base ovoid- 

 conic ; outermost cells transverse-oblong, superposed in 24-40 vertical series, nut 

 hence longitudinally striate. 



6. E. spiralis, Br. Prod. 224 (in note) ; stems robust not transversely 

 septate triquetrous under spikelet, spikelet 1 in. obtuse, glumes obtuse 

 subtruncate, bristles much shorter than cancellate nut irregular smooth. 

 Thw. Enum. 352 (excl. syn. media). Scirpus spiralis, Rottb. Descr. et Ic. 

 45, t. 15, fig. 1; Roxb. FL Ind. I 212; Wall. Gat. 3454, K (partly). S. 

 mutatus, Roxb. mss. Limnochloa spiralis, Nees in Wight Contrib. 114. 



S. INDIA; not common; E. BENGAL; Griffith; Kurz. BOMBAY; Salsette, 

 Jacquemont. DECCAN PENINSULA; Wallich. BUEMA ; Griffith, &c. CEYLON; 

 Thwaites, &c. DISTEIB. Mauritius ? 



Stems 2 ft. by -i in. Spikelet -\ in. diam. ; very dense, marked by a spiral 

 line apparently i.e. the summits of the very erect close regular glumes. Glumes 

 obovate, summit much depressed triangular nearly truncate. Style 2-3-fld. 

 Bristles slender from -| the length of the glume, half- obsolete. Nut half as long 

 as glume ; style-base often nearly confluent with nut ; outermost cells shortly trans- 

 versely oblong, superimposed in 36-40 vertical series, so that the nut exhibits 36-40 

 slender striations. 



Sect. II. ELEOGEXTJS, Nees in Wight Contrib. 112 ((aenus) ; stems 

 slender or medium ; spikelets many or few-fld., usually wider than the 

 stems; glumes membranous, usually 1-3-nerved, keel green ; style 2-fid. 

 Heleocharis (Genus). Lcstib. Essai Gyp. 41. 



7. E. atropurpurea, Kunth Enum. ii. 151 ; roots fibrous, stems 

 slender, spikelet small ovoid or subcylindric, bristles retrorsely scabrous 

 white or 0, nut black smooth, style 2-fid base small depressed -conic white. 

 J. Gay in Flora xxv. 641 ; C. B. Clarke in Journ. Bot. xxv. 269. Scirpus 

 atropurpureus, Retz. Obs. v. 14 ; Roxb. Fl. Ind. i. 219 ; Reich. Ic. Fl. Germ. 

 viii. 37, t. 295. Eleogenus atropurpureus, Nees in Wight Contrib. 113. 

 Heleocharis atropurpurea, BoecJc. in Linncea, xxxvi. 454 (excl. var. y). 

 Isolepis, Wall. Cat. 3489. 



WEST HIMALAYA, alt. 3000 ft., to ASSAM and CEYLON. DISTEIB. Tropics 

 generally, except Malaya. 



Stems 2-6 in. Spikelet |-| in., many-fld. Glumes broad, obtuse, black-chest- 

 nut, keel green. Bristles in the Indian tropical examples usually 7-5, as long as the 

 nut, in the Himalayan (as in the European) examples or very small. Nut. 

 minute, obovoid, compressed, as long as -j-f glume. 



8. E. capitata, Br. Prod. 225 ; roots fibrous, stems somewhat slender, 

 spikelet small dense i obtuse, bristles as long as nut retrorsely scabrous 

 brown or ferruginous, nut black smooth, style 2-fid base small depressed 



s s 2 



