334 PLANT LIFE OF ALABAMA. 
VALLISNERIA L. Sp. Pl. 2:1015. 1753. 
Two species, perennial aquatics, of the temperate and warmer regions of both 
hemispheres. 
Vallisneria spiralis L. Sp. Pl. 2:1015. 1753. EEL Grass. 
Tallisneria americana Michx. F1. Bor. Am. 2:220. 1803. : 
Ell. Sk. 2:666. (Gray, Man. ed. 6, 496. Chap. F1.451. Coulter, Contr. Nat. Herb. 
2: 422. 
SouTHERN Europe, ASIA, AUSTRALIA. : ; 
Canadian zone to Louisianian area. New Brunswick, Ontario, and New York to 
Minnesota, Illinois, Missouri, Arkansas, and Tennessee, south to Florida and Texas. 
ALABAMA: Coast region. Gently flowing water. Mobile County, estuaries of 
Mobile and Dog rivers, Mobile Bay. Flowers in July, fruit in August. Abundant. 
Type locality: ‘Hab. in Pisae et Florentiae fossis.” 
Herb, Geol. Surv. Herb, Mohr. 
POACEAE (GRAMINEAE). Grass Family. 
TRIPSACUM L. Syst. Pl. ed. 10, 2:1261. 1759. 
Two species, perennials, of warmer temperate regions in North America. 
Tripsacum dactyloides L. Sp. Pl.ed. 2, 2:1378. 1763. SPIKED GAMA Grass. 
Ell. Sk. 2:522. Gray, Man. ed. 6,636. Chap. FI. 580. Coulter, Contr. Nat. Herb. 
2:491. 
BRAZIL. 
Alleghenian to Louisianian area. Southern New England, New York, and Penn- 
sylvania, west to Illinois, Missouri, and Arkansas, south to Florida and Texas. 
ALABAMA: Mountain region. Central Prairie region to Coast plain. Low damp 
banks. Lee County, Auburn (Baker § Karle, 650). Montgomery County (2. A. 
Smith). Wilcox County, near Peachtree. Mobile County. Scattered, not infre- 
quent, but nowhere abundant. July to August. 
Type locality: ‘‘Hab. in America.” 
Economic sses: Of some value for forage. 
Herb. Geol. Surv. Herb, Mohr. 
ERIANTHUS Michx. F). Bor.Am.1:54. 1803. Prumr Grass. 
About 20 species, coarse perennials, of the warmer regions of both hemispheres. 
Atlantic North America, 6 species. 
EBrianthus alopecuroides (L.) Ell. Sk. 1:38. 1816. In part. 
SPIRAL-AWNED PLUME GRASS. 
Andropogon alopecuroides L. Sp. Pl. 2: 1045. 1753. 
Ell.l.c. Gray. Man. cd.5, 651, in part. Chap. Fl. ed. 3, 595. Coulter, Contr. Nat. 
Herb. 2:493, in part. Britt. & Brown, Ill. Fl. 1:98. 
Carolinian to Louisianian area. Kentucky and Missouri; south to Tennessee and 
Georgia. 
ALABAMA: From the coast to the mountains. In wet and dry soil. Cullman and 
Clay counties. Chambers (Z. 4. Smith), Mobile, and Baldwin counties. Four to 5 
feet high. September. Near the coast; mostly found in swamps. In upper dis- 
tricts in drier soil. 
Type locality: ‘‘Hab.in America septentrionaliore.” 
Herb. Geol. Surv. Herb. Mohr. 
Erianthus saccharoides Michx. Fl. Bor. Am. 1:55. 1803. 
FoxtTaiL PLUME Grass. 
Ell. Sk. 1:38, in part. Gray, Man. ed. 6,637. Coulter, Contr. Nat. Herb. 2: 493, in 
part. Britt. & Brown, Ill. Fl. 1:99. 
CuBa, MEXICO, BRAZIL. 
Louisianian and Carolinian areas. From southern Virginia to Florida, west to 
Louisiana and Texas. 
ALABAMA: Coast plain to Central Prairie region. In deep open marshes, Mont- 
gomery County. Mobile County, marshes of Mobile River. Most frequent on the 
coast. Eight to 10 feet high. October, November. 
Type locality: ‘Hab. a Carolina ad Floridam, in humidis.” 
