GRASSES. 343 



ALABAMA: Lower division of Coast Pine belt, Coast plain. Damp sandy places. 

 Washington County, Yellowpine, borders of ponds. Mobile County, low pine 

 barrens. 



Type locality: "North Carolina to Texas and Arkansas." 



Herb. Geol. Surv. Herb. Mohr. 



Paspalum difforme Le Conte, Journ. Phys. 91 : 284. 1820. DIFFORM PASPALUM. 



Vasey, Bull. Torr. Club, 13 : 166. Coulter, Contr. Nat. Herb. 2 : 500. Chap. Fl. ed. 

 3, 579. 



Louisianiau area. North Carolina, Florida to Texas. 



ALABAMA: Coast plain. Damp sandy soil along pine-barren streams. Mobile 

 County. September to October; not rare. 



Type locality : " Hab. cum priore," i. e. "in Georgia." 



Herb. Mohr. 



Paspalum boscianum Fluegge, Gram. Monogr. 170. 1810. 



PURPLISH PASPALUM, BULLGRASS. 



Paspalum undulatum Poir. Encycl. Suppl. 4 : 316. 1816. 



P. purpurascens Ell. Sk. 1 : 108. 1816. 



Ell. Sk. 1. c. Chap. Fl. 571. Vasey, Contr. Nat. Herb. 3 : 19. Scribner, Grass. Tenn. 

 2 : 33, t. 5, f. 17. 



Carolinian and Louisianian areas. North Carolina, western Tennessee ; Florida to 

 Louisiana. 



ALABAMA: Mountain region to Coast plain. Low damp fields and grassy swales. 

 Clay County, Elders, 1,000 feet. Cullman County, 800 feet. Southward everywhere. 

 Flowers August to October. Abundant, particularly in the Coast plain. 



Type locality: " In Carolina detexit Clarissimus Bosc. 



Economic uses : Valuable spontaneous hay crop. 



Herb. Geol. Surv. Herb. Mohr. 



Paspalum virgatum L. Syst. Nat. ed. 10, 855. 1758-59. 



Griseb. Fl. Brit. W. Ind. 543. 



WEST INDIES, MEXICO TO BRAZIL. 



Louisiauian area. Adventive from tropical America and naturalized in Louisiana 

 and Texas. 



ALABAMA : Low places, roadsides, along ditches, waste ground. May to August. 

 Stems 3 to 4 feet high. First observed in the western suburbs of Mobile, 1895 ; since 

 extensively spreading into fields and grass plots, threatening to become a worthless 

 weed. 



Type locality not ascertained. 



Herb. Geol. Surv. Herb. Mohr. 



ANTHAENANTIA Beauv. Agrost. 48. 1812. 

 ( AULAXANTHUS Ell. Sk. 1 : 102. 1817. ) 



Three species, perennials, subtropical America. Southern Atlantic States, 2 

 species. 



Anthaenantia villosa (Michx.) Beauv. Agrost. 48, t. 10, f. 7. 1812. 



HAIRY ANTHAENANTIA. 



Phalaris villosa Michx. Fl. Bor. Am. 1 : 43. 1803. 



Aulaxanthus ciliatus Ell. Sk. 1 : 102. 1817. 



Louisianian area. South Carolina to Florida and Louisiana. 



ALABAMA: Coast Pine belt. Coast plain. Grassy pine barrens, close sandy or 

 gravelly soil. Mobile County, Grandbay. Monroe County, Claiborne. Baldwin 

 County, Montrose. August. Not infrequent. 



Type locality: "Hab. in sylvis sabulosis Carolinae." 



Herb. Geol. Surv. Herb. Mohr. 



Anthaenantia rufa (Ell.) Benth. Journ. Linn. Soc. Bot. 9:39. 1881. 



REDDISH ANTHAENANTIA. 



Aulaxanthus rufus Ell. Sk. 1 : 103. 1817. 



Panicum rufum Kunth, Rev. Gram. 1 : 35. 1835. 



Ell. Sk. 1. c. Chap. Fl. 577. 



Louisianian area. North Carolina, Florida, west to Louisiana. 



ALABAMA: Lower Pine region. Coast plain. Low grassy pine barrens, damp 

 sandy soil. Washington County, Yellowpine. Mobile County, Grandbay. Bald- 

 win County. June, July ; more frequent than the last. 



Type locality: "Grows in savannas, and damp soils in the pine barrens, midway 

 between Saltcatcher Bridge and Murphys on the Edisto." 



Herb. Geol. Surv. Herb. Mohr. 



