15 



Greenia Arkansana Nutt. Trans. Am. Phil. Soc.(II.) 5 : 142 (1837), 



not W. & Am. 

 Thurberia Arkansana Benth. in Vasey, Descr. Cat. Gr. U. S. 22 



(1*85). 



Plentiful along railroad tracks near Gregory, San Patricio county, alti- 

 tude 35 feet. 



April 14 (1577). 



AGROSTIS L. Sp. PL 6 (1753)- 

 [TRICODIUM Michx. Fl. Bor. Am. i : 41 (1803).] 

 Agrostis vertidllata Vill. Prosp. 16 (1779). 



In wet limestone soil, left bank of the Guadalupe, at Kerrville, the 

 stalks matted together; altitude 1600 feet. 

 May 14 (1742) ; type locality, Europe. 



TRISETUM Pers. Syn. PI. i : 97 (1805). 



Trisetum interruptum Buckley, Proc. Acad. Phila. 100 (1862). 

 Plentiful but scattered, near the shores of Corpus Christi Bay. 

 March 21 (1464). 



CHLORIS Swartz, Prod. Veg. Ind. Occ. 25 (1788). 



Chloris cucullata Bisch. in Ann. Sc. Nat. (III.) 19: 357 (1853). 



Scattered in low, open land along Corpus Christi Bay ; altitude, sea 

 level to 35 feet. 



March 14 (1449). 

 Chloris verticillata Nutt. Trans. Am. Phil. Soc. (II.) 5 : 150 (1837). 



Plentiful in low, open pasture land near Gregory, San Patricio county, 

 altitude 35 feet. 



April 14 (1580). 



On stony banks of the Guadalupe at Kerrville, Kerr county, altitude 

 1625 feet, but not plentiful. 



May 19 (1767); type locality, Arkansas river. 

 Chloris verticillata intermedia Vasey, Cont, U. S. Nat. Herb. 2 : 



528 (1894). 



In a grassy meadow at the "Blind" Oso, nine miles southeast of 

 Corpus Christi. Growing in rather thick clumps. 



March 21 (1471). 



BOUTELOUA Lag. in Varied. Cienc. (II.) 4 : 134 (1805). 

 Bouteloua hirsuta Lag. Varied. Cienc. 2: Part 4, 141 (1805). 



