1889.] NEW-YORK MICROSCOPICAL SOCIETY. 105 



Var. RADicANs (Poir). 



Scirpus radicans, Poir. Encycl. vi. 751 (1807 ?). 



Elcogiton radicans, Dietr. Sp. PI. i. 192 (1839). 



Eleocharis radicans, Kunth, Enum. ii. 142 (1837). 

 Texas, Lindheimer, 315 in part, Herb. Kew ; E. Meyer ; also 

 seen from California (Bolander, 6233) ; Mexico and Guatemala 

 (Tuerckheim, 391) by Mr. Clarke. Written up by Dr. Torrey 

 as var. nana, and by Mr. Clarke as var. Lindheimeri, but the pub- 

 lished name of Poiret should be maintained. 



16. E. CANCELLATA, S. Wats. Proc. Amer. Acad, xviii. 170 



(1883). 

 E. Schaffneri, Boeck. Engler's Bot. Ja-hrb. 1886, 274. 

 Eleocharis acicularis, a small form, Torr. Mex. Bound. Surv., 



228 (1859). 



New Mexico, Wright, 1937 ; San Luis Potosi ? Schaffner, 204. 

 Parry and Palmer, 912. 



17. E. BONARiENSis, Nees in Hook. Journ. ii. 398 (1840). 

 Eleocharis striatula, Desv. in Gay. Fl. Chil. vi. 173 (1854). 



Orizaba, Mueller, 1973. Not yet detected in the United 

 States. Its range is southward along the western coast of South 

 America. 



18. E. woLFii, A. Gray, Proc. Amer. Acad. x. 77 (1874). 

 Athens and Canton, 111., J. Wolf. 



Mr. Clarke finds this species hardly distinct from the 

 preceding. 



(^) Chcetocyperus. 



19. E. CH.ETARIA, Roem. & Schultes, Syst. ii. 154 (1817). 

 Heleocharis triflora, Boeckl. Flora, 1880, 437 (fide Clarke). 



For synonymy see Hemsley, Bot. Biol. Cent. Amer. iii. 455. 

 Mexico, Guatemala (Tuerckheim, 900, det. C. B. Clarke; Berno- 

 uilli, 7), and the West Indies ; not yet detected in the U. S. 



20. E. viviPARA, Kunth, Enum. ii. 146 (1837). Hardly of Link, 

 according to Mr. Clarke. 



Eleocharis prolif era, Torr. Ann. Lye. N. Y. iii. 442 (1836), 

 not of p. 316. 

 Florida, Chapman, Rugel ; low grounds in Tampa, and Jack- 

 sonville, Fla., Curtiss, 6 and 3088 ; Indian River, Fla., Curtiss, 



