GRASSES. 375 



CHLORIS Sw. Prodr. Veg. Ind. Occ, 25. 1788. 

 (EUSTACHYS Desv. Bull. Philom. 2 : 188. 1810.) 



Forty species of tropical and subtropical zones in Europe; North America, 8 

 species. 

 Chloris swar tziana Doell in Mart. Fl. Bras. 2, pt. 3 : 68. 1878. SWARTZ'S CHLORIS. 



Chloris petraea Sw. Fl. Ind. Occ. 1 : 195. 1797. Not Thunb. 



Chap. Fl. 557. Griseb. Fl. Brit. W. Ind. 539. 



WEST INDIES, MEXICO TO ARGENTINA, SOUTH AFRICA. 



Louisianian area. Florida, Louisiana, and Texas. 



ALABAMA: Littoral belt, damp grassy banks and copses, near the seashore, in 

 sandy soil. Mobile County, West Fowl River, Dauphin Island. Baldwin County, 

 Bon Secour, Point Clear. Not infrequent. Perennial. 



Type locality : " On the rocky coast of Jamaica." 



Herb. Geol. Surv. Herb. Mohr. 



Chloris prieurii Kunth, Rev. Gram. 2 : 441, 1. 134. 1835. 



NATIVE OF TROPICAL AFRICA. 



ALABAMA : Fugitive on ballast. Mobile County, September, 1891 and 1892 ; not 

 observed since. Collected also in North Carolina by Gerald McCarthy. Of this 

 highly ornamental grass, Prof. F. Lamson-Scribner remarks: "It is an interesting 

 species and is well marked by the row of glands or tubercles on each side of the 

 midrib of the flowering glumes. Similar glands occur upon the palese." 



Type locality : " Crescit in Senegambia." 



Herb. Geol. Surv. Herb. Mohr. 



GYMNOPOGON Beauv. Agrost. 41. 1812. 



Six species, warmer regions of America; ours perennials. Southern United 

 States, 2 species. 



Gymnopogon ambiguus (Michx.) B. S. P. Prel. Cat. N. Y. 1888. 



BROAD-LEAF GYMNOPOGON. 



Andropogon ambiguus Michx. Fl. Bor. Am. 1 : 58. 1803. 



Gymnopogon racemosus Beauv. Agrost. 164. 1812. 



Ell. Sk. 1 : 145. Gray, Man. ed. 6, 655. Chap. Fl. 556. Coulter, Contr. Nat. Herb. 

 2 : 529. Scribner, Grass. Tenn. 2 : 88, t. 30, f. 117. 



Carolinian and Louisianian areas. Southern New Jersey to Florida, west to central 

 Texas, Arkansas, and Tennessee. 



ALABAMA: Central and Coast Pine belts. Dry open pine woods. Autauga County. 

 Clarke County, Choctaw Corner. Escambia County, Wilson's Station. Mobile and 

 Baldwin counties. Common throughout the Coast Pine belt. July, August; fre- 

 quent. Perennial. 



Type locality: "Hab. in sabulosis Carolinae." 



Herb. Geol. Surv. Herb. Mohr. 



Gymnopogon brevifolius Trin. Unifl. 238. 1824. SHORT-LEAF GYMNOPOGON. 



Gymnopogon racemosus vstf.fiUformis Chap. Fl. 556. 1860. 



Louisianian area. Coast of New Jersey to Florida, west to Louisiana. 



ALABAMA: Coast Pine belt. Coast plain. Dry sandy pine woods. Mobile 

 County, Springhill. Baldwin County, Daphne. Escambia County. July to Sep- 

 tember; frequent with the last. 



Type locality : " V. spp. e Delaware." 



Herb. Geol. Surv. Herb. Mohr. 



BOUTELOUA. Lag. Var. Cienc. y Litt. 2, pt. 4 : 134. 1805. 

 (ATHEROPOGON Muhl. ; Willd. Sp. PL 4 : 937. 1805. ) 



Perennials. About 30 species; elevated continental table-land of Mexico and the 

 Upper and Lower Sonoran areas of North America, 15. 



Bouteloua curtipendula (Michx.) Torr. in Emory, Rep. 153. 1848. GRAMA GRASS. 



Chloris curtipendula Michx. FL Bor. Am. 1 : 59. 1803. 



Bouteloua racemosa Lag. Var. Cienc. y Litt. 2, pt. 4 : 141. 1805. 



Gray, Man. ed. 6, 656. Chap. Fl. Suppl. 663 ; ed. 3, 607. Coulter, Contr. Nat. Herb. 

 2 : 533. 



MEXICO, CENTRAL AMERICA, PERU. 



Alleghenian to Louisianian area. Ontario and Manitoba, south to Texas, east to 

 Mississippi. 



