74 C. B. Clarke: 



Eleocharis montana Boem. et Seh. Sijst. II (1S17) p. 153; Kiinth 

 Emmi. II p. 149. 



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



Scirpus montanus H. B. IC Nov. Oen. et Sp. I (1815) p. 226. 



Heleocharis montana Boeck. in Linnaea XXXVI (1869 70) 

 p. 450. 



Heleocharis arenicola Hemsl.! Biol. Centr. Amer. Bot. III (1885) 

 p. 454. 



Heleocharis Valcani Boeck.! in Engl. Jahrb. VIII (1887) p. 206.' 



Limnochloa truncata Liebm. Mexic. Halvgr. (1851) p. 56. 



Hab. in Guadeloupe: Bertero. 



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

 Brasilia noudum lecta. 



93. Eleocharis rostellata Torrey, rhizomate brevi, liguescente; 

 culmis 3 7 dm. longis, teiiuioribus, rigidis; vagina summa stricta, iu 

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

 lanceolata, multiflora, fusce brnnea; 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 1/2 Vs P'^irte glumae aequilonga, obovoidea, apice angustata, in- 

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

 cum apice nucis concreta. 



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

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



Scirpus rostellatas Torrey in Ann. Lyceam Neiv York III (1836) 

 p. 318; Griseb.! Fl. Cub. p). 239; Sauv.! Cub. n. 2621 p. 175. 



Heleocharis rostellata Boeck! in Linnaea XXXVI (1869 70) 

 p. 442. 



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



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



94. Eleocharis g-eniciilata R. Br. rhizomate robustiore; culmis 

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

 transversim 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 parvala, cum Y2 P^^i'te glumae aequi- 

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

 cula aut granulata, liiteo- brunea; stylobasi conica, elongata, fusco- 

 nigra. 



