366 PLANT LIFE OF ALABAMA. 



STIPA L. Sp. PI. 1 : 78. 1753. 



About 100 species native of temperate and warmer regions, particularly on ele- 

 vated table-lands. North America, 23 species. 



Stipa avenacea L. Sp. PI. 1 : 78. 1753. BLACK ( )AT GRASS. 



Stipa larlata Michx. Fl. Bor. Am. 1 : 53. 1803. 



Ell. Sk. 1 : 139. Gray, Man. ed. 6, 641. Chap. Fl. 554. Vasey, Contr. Nat. Herb. 

 3 :54. Coulter, Contr. Nat. Herb. 2 : 516. 



Carolinian and Louisianian areas. Southern New York, Delaware, and Pennsyl- 

 vania to Florida, west to Texas, Arkansas, and southern Missouri. 



ALABAMA: Over the State. Dry sandy hills. Montgomery County. Bibb County, 

 Ashland. Tuscaloosa County (E. A. Smith). Perry County, Unioutown, dry 

 prairies. Mobile County, sandy pine ridges. April and May ; frequent. 



Type locality : " Hab. in Virginia." 



Herb. Geol. Surv. Herb. Mohr. 



Stipa setigera Presl, Rel. Haenk. 1 : 226. 1828. 



Stipa neesiana Trin. Mem. Acad. St. Petersb. 5 : 27. 1842. 



ALABAMA: Adventive from Argentina on ballast. Mobile County. June, July, 

 1886 and 1893. 



Type locality not given. 



Herb. Geol. Surv. J lerb. Mohr. 



MUHLENBERGIA Schreb. Gen. 44. 1789. DROP-SEED. 



About 60 species, mostly South American; Mexico and North America, 37, mostly of 

 the Western plains. 



Muhlenbergia trichopodes (Ell.) Chap. Fl. 553. 1860. ELLIOTT'S HAIR GRASS. 



Agrostis trichopodes Ell. Sk. 1 : 135. 1817. 



Muhlenbergia caplUari* var. trlc.lt opodes Vasey. Contr. Nat. Herb. 3 : 66. 1892. 



Ell. Sk. 1. c. Coulter, Contr. Nat. Herb. 2 : 522. 



MEXICO. 



Louisianian area. South Carolina and Florida to Texas. 



ALABAMA: Central Pine belt to Coast plain. Dry woodlands. Hale County, 

 Gallion. Mobile County. Washington and Clarke counties. Perennial. 



Type locality: " Chatham County, Georgia, by Dr. Baldwin. Near Charleston." 



Herb. Geol. Surv. Herb. Mohr. 



Muhlenbergia diffusa Schreb. Beschr. Graes. 2 : 143, t. 51. 1772-1779. XIMBLK WILL, 



Dilepyrum minutiflorum Michx. Fl. Bor. Am. 1 : 10. 1803. 



Ell. Sk. 1 : 98. Gray, Man. ed. 6, 644. Chap. Fl. 553. Vasey, Contr. Nat. Herb. 3 : 68. 

 Scribner, Grass. Tenn. 2 : 67, t. 20, f. 80. 



SOUTH BRAZIL. 



Alleghenian to Carolinian area. Ontario and New England; west to Minnesota 

 and Nebraska, south to eastern Texas; and from New York along the mountains to 

 Georgia. 



ALABAMA: Tennessee Valley. Lower hills. Open woods, pastures. Madison 

 County, Huntsville. Tuscaloosa County. Franklin County, Russellville. June to 

 September. Frequent. Perennial. 



Type locality not ascertained. Michaux's locality: " Hab. in apricis, pratcnsibus 

 regionum Kentucky et lllinoensium." 



Herb. Geol. Surv. Herb. Mohr. 



Muhlenbergia teiiuiflora ( Willd. ) B. S. P. Prel. Cat. Fl. N. Y. 67. 1888. 



SLENDER-FLOWERED HAIR GRASS. 



Agrostis tenuiflora Willd. Sp. PL 1 : 364, 1798. 



Muhlenbergia willdenovii Trin. Unifl. 188. 1824. 



Ell. Sk. 1 : 134. Gray, Man. ed. 6, 643. Scribner, Grass. Tenn. 2 : 68, t. 21, f. 84. 



Alleghenian to Carolinian area. Ontario and New England to Minnesota, south 

 to northern Texas, and from New York along the mountains to Tennessee and South 

 Carolina. 



ALABAMA: Collected by S. B. Buckley ; locality not stated. Rare. Perennial. 



Type locality : "Hab. in America boreali." 



