AXTAMAHA GRIT REGION OF GEORGIA 291 



South Carolina to South Florida and Mississippi, in the coastal 

 plain. Introduced from the tropics. 

 E simplex Scribn., Bull. Div. Agrost. U. S. Dept. Agr. 7, ed. 3. 

 250. 1900. 

 "E. Brownei Kunth"; Chapm., Fl. 664. 1883. 

 A common weed along railroads, telfair, irwin, berrien, 

 dooly, worth, colquitt (1656), thomas, and doubtless 

 other counties. (See Bull. Torrey Club 31 : 17. 1904.) Also 

 in the flat country toward the coast, and in Florida. 

 Natural range and habitat unknown. 

 E. refracta (Muhl.) Scribn., Mem. Torrey Club 5: 49. 1894. 

 . appling: Sandy roadside northeast of Prentiss, Sept. 12, 1903. 

 Delaware to central Florida and Texas, but natural range and 

 habitat uncertain 



TRIPLASIS Beauv., Agrost. 81. 18 12. 

 T. Americana Beauv., 1. c. pi. 16. f. 10. 



Ur ale pis cornuta Ell., Tricuspis cornuta Gray, Triplasis 



cornutaBenth. 

 Sand-hills; inconspicuous and probably not common. Mont- 

 gomery, DODGE, BERRIEN, COLQUITT (l6jp). Fl. Sept.-Oct. 



Extends inland to the fall-line sand-hills of Richmond 

 (A. Cuthbert) and Taylor Counties, and southeastward 

 nearly to the coast. 

 North Carolina to central Florida and Louisiana, in the 

 coastal plain. 



TRIDENS R. & S., Syst. 2 : 34. 1817. 



Tricuspis Beauv., Agrost. 77. 1812. (Not of Pers.) 

 Uralepis and Windsoria Nutt., 1818. 



T. ambiguus (Ell.) Schult., Mant. 2 1333. 1824. 



Poa, Ell. ; Windsoria, Nutt. ; Tricuspis, Chapm. ; Triodia, 

 Vasey; Sieglingia, Kuntze. 



Triodia Elliottii Bush, Trans. Acad. Sci. St. Louis 12 : 73. 1902. 



Moist pine-barrens and shallow ponds; rather rare, bulloch, 

 dodge (ipyg), berrien, colquitt. Fl. June-Sept. Also 

 in Sumter and Charlton Counties. There are some peculi- 

 arities about its habitat which are not well understood. 



