74 C. B. Clarke: 



Eleocharis montana Boem. et Seh. Syst. II (1817) p. 153; Kimth 

 Enum. II p. 149. 



Eleocharis ochrectta Boeck. in Flora XLII (1859) p. 68. 



Scirpiis montanus H. B. IC Nov. Gen. et Sp. I (1815) p. 226. 



Heleocharis montana Boeck in Li)inaea XXXVI (1869-^70) 

 p. 450. 



Heleocharis arenicola Ilcmsl.I Biol. Centr. Ämer. Bot. III (1885) 

 p. 454. 



Heleocharis Vidcani Boeck.! in Engl. Jahrb. VI II (1887) p. 206. 



Limnochloa trnncata Licbm. Älexic. Halvgr. (1851) p. 56. 



Hab. in Guadeloupe: Bertero. 



Distrib. in fere omni America calidiore vulgaris, sed in Guiana et 

 Brasilia nonduin lecta. 



93. Eleocharis rostcllata Torrey, rhizomate brevi. lignescente; 

 culmis 3 — 7 dm. longis, tenuioribus, rigidis; vagina summa stricta, in 

 altero latere triaugulari-producta; spicula 1 — 2 cm. longa, ellipsoideo- 

 lanceolata, luultiflora, fusce briinea; glumis ovatis, obtusis, fuscis in dorso 

 luteis, ima latiore culmum amplectente persistente; setis 7 aut 5, cum 

 nuce subaequilongis, retrorsim scabris, ferrugineis; stylo 3-fido; nuce 

 cum Y2 — Vs P^rte glumae aequilonga, obovoidea, apice angustata, in- 

 aequaliter trigona, levi, lutescente aut olivacea; stylobasi longe conica, 

 cum apice nucis concreta. 



Eleocharis rostellata Torreij ! Fl. New York II (1843) p. 347 et 

 Phanerog. Wilkes Expecl. (1874) p. 474. 



Scirpus rostellatiis Torrey in Ann. Lyceum New York III (1836) 

 p. 318; Griseb.f PI. Cnb. p. 239; Sa?rv.f Cub. n. 2621 p. 175. 



Heleocharis rostellata Boeck.! in Linnaea XXXVI (1869 — 70) 

 p. 442. 



Hab. in Cuba: C. Wright n. 3769. 



Distrib. in America septentrionali tempcrata sat frequens; in Mexico. 



94. Eleocharis geniculata, R. Br. rbizomate robustiore; culmis 

 3 — 8 dm. longis, 3 — 8 mm. in diam., sub spicula constrictis, in sicco 

 transversini pseudo-septatis; vagina summa stricta, truncata; spicula 

 1 — 3 cm. longa, densissima, pallide brunea, culmo multo crassiore 

 (usque ad 5— 9 mm. lata); glumis ovatis, vix acutis, 3 imis rotundatis, 

 multo brevioribus, viridibus, bracteiformibus; setis 7 — 8, nucem saepe 

 superantibus, retrorsim scabris, ferrugineo-rubris; stylo (in spiculae flori- 

 bus inferioribus) 3-fido; nuce parvula, cum ^/^ parte glumae aequi- 

 longa, anguste ellipsoidea apice angustata, inaequaliter trigona, levius- 

 cula aut granulata, luteo- brunea; stylobasi conica, elougata, fusco- 

 nigra. 



