62 C. B. Clarke: 



70. Elcocliaris mitrata C. B. Clarke, stolonibus longis; culmis 

 4 6 dm. longis, 2 3 mm. latis, subteretibus, non septatis; spicula 

 unica 2 3 cm. longa, 3 4 mm. lata, cylindrica; glumis 4 5 mm. 

 longis, ovatis, obtusis, fusce viridibus rubro-sphacelatis, ima viridiore, 

 culmum quasi continuante; setis 7 cum Y 2 parte glumae aequilongis, 

 albis, fere levibus; stylo (saltem saepissime) 2-fido; nuce cum Y 2 parte 

 glumae aequilonga, biconvexa, urceolata, apice vix angustata, fusce stra- 

 minea, cancellata inter strias 24 30 longitudinales transversim trabe- 

 culata; stylobasi mitraeformi, cum nucis apice vix aequilata. 



Sciiyus mitratus Griseb.f Flor. (1864) p. 570. 

 Heleocharis Jelkskiana Bocclc. i?i Linnaea XXXVIII (1874) p.376 

 e descript. 



Hab. in Trinidad: Crueger n. 24. 



Distrib. in Brasilia prope Manaos. Yar.? /? africana ad Niger lecta est. 



71. Elcocharis cellulosa Torrey, stolonibuslongis; culmis4 7 dm. 

 longis, apice subteretibus, non septatis; spicula unica 3 cm. longa, 5 mm. 

 lata, cylindrica, pallida, e viridi luteo-fuscescente; glumis 4 5 mm. 

 longis, obovatis obtusis, fusce viridibus aut brunescentibus, ima virides- 

 cente, culmum quasi continuante; setis 7, tenuibus, nuce longioribus, 

 rubro-bruneis, levibus aut vix denticulatis; stylo 3-fido; nuce cum l / 2 

 parte giumae aequilonga, compresso-trigona, obovoidea apice angustata, 

 stramineo-brunea, longitrorsum 30 36-striata, transversim trabeculata. 



Eleocharis cellulosa Tom 7/ in Ann. Lyceum New )'<>rk III (ls.36) 

 p. 298 et Mexic. Bound. p. 228; Hitch. Pl. Bah. (1893) p. 17.1. 



Scirpus dictyospermus C Wright! in Sauv. Cub. (1871) u. 2623 

 p. 175. 



Heleocharis spiralis, forma tenuis Boeck.! ms. 



Hab. in ins. Bahama: Dale; Cuba: C. Wright. 



Distrib. Florida, Texas. 



72. Elcocharis yariegata Presl var. laxiflora Ridley, stolonibus 

 longis; culmis 2 4 dm. longis, 2 3 mm. latis, apice subtrigonis, non 

 septatis; spicula unica 25 mm. longa, 3 mm. lata, cylindrica; glumis 

 fusce viridescentibus, unicoloribus, vel anguste bruneo-marginatis; setis 7, 

 nucem saepe fere duplo superantibus, validc retrorsim scabris; stylo 

 3 2-fido; nuce minute reticulata, late ellipsoidea, compresso-trigona, 

 a 30 40 striis tenuibus longitudinaliter percursa, apice paullo angus- 

 tata; stylobasi ovoideo-triangulari. 



Eleocharis variegata Prcsl var. laxiflora Ridley! in Journ. Singa- 

 pore Asiat. Soc. n. 23 (1891) //. //. C II Clarke iu Hook /'. Fl Brit. 

 Ind. V p. 626. 



Scirpus laxi/lorus Thwaites! Euuiu. PL Zeyl (1864) />. 135. 



