GRASSES. 373 



DANTHONIA DC. Fl. France, 3 : 32. 1805. OAT GRASS. 



One hundred species, temperate and warmer regions, more than half in South Africa. 

 North America, 5 or 6 species. 



Danthonia spicata (L.) Beauv. ; Roem. & Schult. Syst. Veg. 2 : 690. 1817. 



COMMON WILD OAT GRASS. 



Arena spicata L. Sp. PI. 1 : 80. 1753. 



A. glumosa Michx. Fl. Bor. Am. 1 : 72. 1803. 



Gray, Man. ed. 6, 654. Chap. Fl. 569. 



Alleghenian to Louisiaiiian area. Newfoundland and Quebec, west to the Pacific ; 

 New England, west to Dakota, south to Florida, Louisiana, and Arkansas. 



ALABAMA: Tennessee Valley to central prairies. Dry copses, border of woods. 

 Madison County. Dallas County, Marion Junction. June, July; not infrequent. 

 Perennial. 



Type locality : "Hab. in Pensylvania." 



Herb. Geol. Surv. Herb. Mohr. 



Danthonia compressa Austin; Peck, Rep. Reg. N. Y. St. Univ. 22 : 54. 1869. 



MOUNTAIN WILD OAT GRASS. 



Danthonia alleni Aust. Bull. Torr. Club, 3 : 21. 1872. 



Gray, Man. ed. 6, 654. Chap. Fl. Suppl. 665. Scribner, Grass. Tenn. 2 : 85, t. 29, f. 114. 



Alleghenian and Carolinian areas. New England to Pennsyl vania and New Jersey, 

 south to North Carolina and Tennessee. 



ALABAMA: Mountain region. Dry rocky ridges. Madison County, Huntsville. 

 May, June; not frequent. Perennial. 



Type locality: " Woods. Danube, Herkimer County, [N. Y.], July, 1868. C. F. 

 Austin." 



Herb. Geol. Surv. Herb. Mohr. 



Danthonia glabra Nash, Bull. Torr. Club, 24 : 43. 1897. SMOOTH WILD OAT GRASS. 



Carolinian area. New Jersey to upper Georgia. 



ALABAMA: Mountain region. Rocky ledges. Dekalb County, summit of Lookout 

 Mountain, 2,000 feet altitude. June, 1893. Rare. Perennial. 



Type locality : " Type specimens collected by Dr. John K. Small, on Little Stone 

 Mountain, Dekalb County, Georgia, on July 5, 1895." 



Herb. Geol. Surv. 



Danthonia sericea Nutt. Gen. 1 : 71. 1818. SILKY WILD OAT GRASS. 



Avena spicata Ell. Sk. 1 : 174. 1817. Not L. 



Ell. I.e. Gray, Man. ed. 6, 654. Chap. Fl. 569. Scribner, Grass. Teun. 84, t. 28, f.112. 



Carolinian to Louisianian area. Florida, along the coast to southern Massachu- 

 setts, west to Mississippi and Arkansas. 



ALABAMA: Mountain region to Coast plain. Dry pine barrens. Lee County, 

 Auburn (Baker $ Earle). Washington County, Yellowpine. Escambia, Clarke, 

 Baldwin, and Mobile counties. May; frequent. Perennial. 



Type locality : " Grows in the upper districts of Georgia and South Carolina, in high 

 land. Columbia County, Ga." 



Herb. Geol, Surv. Herb. Mohr. 



GAUDINIA Beauv. Agrost. 95. 1812. 



Gaudinia fragilis (L.) Beauv. Agrost. 95. 1812. 



Avena fragilis L. Sp. PL 1 : 80. 1753. 



A fugitive from southern Europe. Mobile County, on ballast. August. Observed 

 once only, 1889. 



Type locality : " Hab. in Lusitania, Hispania. Loefl." 



Herb. Geol. Surv. Herb. Mohr. 



CAPRIOLA Adans. Fam. PI. 2 : 31. 1763. 

 (CYNODON Rich. ; Pers. Syn. 1 : 85. 1805.) 



Capriola dactylon (L.) Kuntze, Rev. Gen. PI. 2 : 764. 1891. BERMUDA GRASS. 



Panicum dactylon L. Sp. PL 1 : 58. 1753. 



Cynodon dactylon Pers. Syn. 1 : 85. 1805. 



Ell. Sk. 1 : 133. Gray, Man. ed. 6, 654. Chap. Fl. 557. Scribner, Grass. Tenn. 2 : 86, 

 t. 29, f. 115. 



SOUTHERN EUROPE. 



Naturalized in nearly all wanner regions. 



Carolinian and Louisianian areas. Extensively spread in the valleys from Penn- 

 sylvania to Florida, west to Texas, sparingly on the Pacific coast. 



