368 PLANT LIFE OF ALABAMA. 



Sporobolus tenacissimus (L.) Beauv. Agrost. 126. 1812. 



Agrostis tenacissima L. f. Suppl. 197. 



Vilfa tenacissima H. B. K. Nov. Gen. et Sp. 1 : 138. 1815. 



WKST INDIES; MEXICO TO BRAZIL. 



ALABAMA : Adventive on ballast. Mobile. First observed, September, 1891, since 

 then to the present time. Perennial. 



Sporobolus junceus (Michx.) Kunth, Rev. Gram. 1 : 68. 1835. 



PURPLK DROP-SEED GRASS. 



Agrostis juncea Michx. Fl. Bor. Am. 1 : 52. 1803. 



Ell. Sk. 1 : 137. Gray, Man. eel. 6, 646. Chap. Fl. 550. Coulter. Coutr. Nat. I I-rl.. 

 2:520. 



Alleghenian, Carolinian, and Louisianian areas. Reported from southern Minne- 

 sota, Dakota, Wisconsin, southern Virginia to Florida, and west to Texas. 



ALABAMA : Coosa hills. Central Pine belt to Lower Pine region. Dry rocky hills ; 

 most abundant in sandy dry pine barrens. Calhoun County, Anniston, 700 feet. 

 Tuscaloosa County. Clarke County, Choctaw Corner. Monroe County, Claiborne. 

 Mobile and Baldwin counties. September to October ; common. Perennial. 



Herb. Geol. Surv. Herb. Mohr. 



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



Sporobolus asper (Michx.) Kunth, Euum. 1:210. 1833. ROUGH RUSH-GRASS. 



Agrostis aspera Michx. Fl. Bor. Am. 1 : 52. 1803. 



Vilfa drnmmondii Trin. Unifl. 1824. 



Sporobolus asper var. drummondii Vasey, Contr. Nat. Herb. 3 : 60. 1892. 



Ell. Sk. 1 : 138. Gray, Man. ed. 6, 645.' Chap. Fl. 550. Coulter, Contr. Nat. Herb. 

 2:519. 



Allegheuian to Louisianian area. New England, Minnesota, Nebraska, southern 

 Missouri, south to Florida and the Gulf region ; Texas and Arkansas. 



ALABAMA: Tennessee Valley. Coosa hills to the Lower Pine region. Dry rocky 

 hills and pine barrens. Calhoun County, Anniston, 700 feet. Mobile and Baldwin 

 counties. Frequent on the sandy pine ridges. September and October. Perennial. 



Type locality : "Hab. in collibus rupibusque regionis Illinoensis." 



Herb. Geol. Surv. Herb. Mohr. 



Sporobolus longifolius (Torr.) Wood, Classbook, 775. 1861. 



LONG-LEAVED RUSH-GRASS. 



Agrostis longifolia Torrey, Fl. N. & Mid. IT. S. 90. 1824. 



A. inrolnta Muhl. Gram. 72. 1817. Not Poir. 1810. 



Sporobolus asper Vasey. Contr. U.S. Nat. Herb. 3:59. 1892. Not K-inth, 1833. 



Alleghenian and Carolinian areas. New England to Illinois and Kansas, south from 

 Long Island to Mississippi, and west to Texas. 



ALABAMA: Lower Pine region. Dry pine barrens. Mobile County, Springhill. 

 October; not frequent. Perennial. 



Type locality of A. involuta Muhl. : "Hab. ad Susquehannam, floret Oct. Penns. N. 

 Ebor." 



Herb. Geol. Surv. Herb. Mohr. 



Sporobolus vaginaeflorus Torr. ; Wood, Classbook, 775. 1861, 



SHEATHED RUSH-GRASS. 



Vilfa vaginaeflora Torr. ; Gray, Gram. & Cyp. Exsic. 1 : no. 3. 1834. 



Sporobolus minor Vasey in Gray, Man. ed. 6, 646. 1890. 



Gray, Man. ed. 6, 646. Chap. Fl. 551. Coulter, Contr. Nat. Herb, 2 : 519. Scribner, 

 Grass. Tenn. 2 : 72, *. 23, f. 92. 



Alleghenian to Louisianian area. Ontario and New England to Minnesota and 

 Nebraska, and from New York south to Florida and Texas. 



ALABAMA : Coosa hills. Lower Pino region. Calhoun County, Anniatou, 700 feet. 

 Mobile County, Springhill, sandy pine ridges. September to October; infrequent. 

 Annual. 



Type locality: "Dry gravelly fields IT. S. more common West and South." 



Herb. Geol. Surv. Herb. Mohr. 



Sporobolus neglectus Nash, Bull. Torr. Club 22 : 464. 1895. SMALL RUSH-GRASS. 



Sporobolus vaginaeflorus Vasey in Gray, Man. ed. 6, 645. 1890. Not Wood. 



Gray, Man. 1. c. Cliap. Fl. ed. 3, 598. 



Carolinian and Louisianian areas. Southern New England to Kentucky, Tennes- 

 see, Kansas, and south to Mississippi. 



ALABAMA: Lower Pine region. Barren pine ridges. Mobile County. October; 

 infrequent. Annual. 



