130 C. B. Clarke: 



186. Rynehospora rariflora Britton, glabra, culmis 1 4 dm. 

 longis, filiformibus; foliis 1 3 dm. longis, 1 2 mm. latis, setaceo- 

 linearibus; corymbis 41, laxis; pedicellis pro magna parte usque ad 

 4 10 mm. longis; spiculis iis R. cymosae simillimis. 



Rynchospora rariflora Britton in Trans. Neiv York Acad. XI 

 (1892) p. 92. 



Rhynchospora rariflora Elliott Bot. S. Carol. I (1816) p. 58 syn. 

 excl; Boeck.f in Linnaea XXXVII (1873) p. 599. 



Rhynchospora setacea Kunth Enum. II (1837) pp. 299, 538; 

 Oriseb.I Pl. Cub. p. 243; Sauv. Cub. n. 2665 p. 180. 



Schoenus rariflorus Mich. Fl. Bor. Amer. I (1803) p. 35. 



Hab. in Cuba: C. Wright n. 3400. 



Distrib. a Carolina usque ad Florida et Texas. 



187. Rynchospora microcarpa Britton, glabra, culmis 1 10 dm. 

 longis, gracilioribus; foliis 1 3 dm. longis, 2 3 mm. latis vel fere 

 setaceis; panicula 2 3 dm. longa, corymbis distantibus 1 6 cm. in 

 diam., 10 40-stachyis; spiculis subfasciculatis, 2 mm. longis, ovoideis, 

 1 2-nucigeris, ferrugineo-bmneis; setis 6, modo nucem superantibus, 

 modo brevibus, interdum fere obsoletis; stylo lineari, ramis 2 linearibus; 

 nuce vix 1 mm. longa, orbiculata, compressa, grossius transversim un- 

 dulato-rugosa; rostro cum Y3 Va P ar te nucis aequilongo. 



Rynchospora microcarpa Britton! in Trans. New York Acad. XI 

 (1892) p. 92. 



Rhynchospora microcarpa A. Gray iii Ann. Lyccum New York 

 III (1836) p. 202 t. 6 fig. 9; Kunth Enum. II p. 539; Boeck. in 

 Linnaea XXXVII (1873) p. 583. 



Rhynchospora Torreyana var. microrhyncha Griseb.f Pl. Cub. (1866) 

 p. 243. 



Rhynchospora involuta C. Wright! Msc. 



Hab. in ins. Baham.: Dale, Eggers n. 4308 (New Providence in 

 paludosis); Cuba: C. Wright n. 3785. 



Distrib. a Carolina usque ad Florida et Texas; in Brasilia australi. 



188. Rynchospora stenophylla Britton, glabra, gracilis, culmis 

 3 dm. longis; foliis 10 15 cm. longis, vix 1 mm. latis, setaceis; corym- 

 bis inter se 1 2 dm. distantibus, laxis, 4 12-stachyis; spiculis soli- 

 tariis, anguste ellipsoideo-lanceolatis; setis saepe 6, nempe 3 cum nuce 

 subaequilongis 3 brevioribus, antice scabris, bruneis, vel interdum om- 

 nibus aequilongis vel reductis; stylo lineari, ramis 2 linearibus; nuce 

 obovoidea-ellipsoidea, transversim undulata, luteo-brunea; rostro cum 

 Va 5 U parte nucis aequilongo, conico. 



