858 PLANT LIFE OF ALABAMA. 
ALABAMA: Coast plain. Swamps. Mobile County, river marshes. July. Four 
to 5 feet high; annual. 
Type locality: ‘‘Near the salt water: Canada and New York.” 
Herb. Geol. Surv. Herb. Mohr. 
Panicum colonum L. Syst. Nat. ed. 10, 870. 1759. 
Panicum walteri Ell. Sk.1:115. 1816. Not Pursh. 1814. 
Chap. Fl. 577. Vasey, Contr. Nat. Herb.3:37. Wats. Bot. Calif. 2: 260. Conlter, 
Contr. Nat. Herb. 2:502. Scribner, Grass. Tenn. 2: 40, 7.8, f. 30. 
SUBTROPICAL AND TROPICAL REGIONS OF THE GLOBE. 
Louisianian area. North Carolina to Florida; west to Texas, Arkansas, Arizona, 
and southern California. 
ALABAMA: Coast plain. Damp grassy banks; frequent. Mobile and Baldwin 
counties, July to September; annual. 
Type locality East Indian. 
Herb. Geol. Surv. Herb. Mohr. 
Panicum gibbum Ell. 8k.1:116. 1817. PURPLE PANIcUM. 
Panicum elliottianum Schult. in Dietr. Syn. Pl. 1: 261. 1839. 
Hymenachue striata Griseh. Fl. Brit. W. Ind. 554. 1864. 
Chap. F1.573. Scribner, Grass, ‘enn. 2:40, t.8,/.37. Vasey, Contr. Nat. Herb. 3:37, 
West INDIES TO GUIANA ; : make 
Carolinian to Louisianian area, ‘Tennessee, North Carolina, Florida, and Louisiana. 
ALABAMA: Lower Pine region, Coast plain. Damp grassy banks, borders of 
brooks. Mobile County. July to Augnst; not rare; perennial. ° 
Type locality: ‘(In damp and wet soils [South Carolina and Georgia].” 
Herb. Geol. Surv. Herb. Mohr. 
Panicum molle Sw. Prodr. Veg. Ind. Oce. 22. 1788. PaRA GRASS, 
Introduced from the West Indies and cultivated. 
ALaBaMa: Rarely cultivated about Mobile and said to have escaped into low 
places and ditches; perennial. 
Economic uses: Valuable; an excellent coarse pasture grass. 
Herb, Geol. Surv. Herb, Mohr. 
OPLISMENUS Beauv. Agrost. 53. 1812. 
(ORTHOPOGON R. Br. Fl. Nov. Holl. 194. 1810.) 
Four species, tropical and subtropical regions, mostly American. North Ameri- 
ca, 1. 
Oplismenus setarius (Lam.) Roem. & Schult. Syst. Veg. 2:484. 1817. 
Panicum setarium Lam. Tabl. Encyel. 1:170. 1791. 
P. hirtellum Michx. Fl. Bor. Am. 1:47, 1803. Not L. 
Orthopogon setarius Spreng. Syst. Veg. 1:306. 1824. 
Ell. Sk. 1:115. Chap. Fl. 577. Griseb. Fl. Brit. W. Ind. 545. Vasey, Contr. 
Nat. Herb. 3:37. Coulter, Contr. Nat. Herb. 2: 509. 
WEsT INpIFSs, MEXICO TO BRAZIL. 
Louisianian area. Coast of South Carolina to Florida and Texas. 
ALABAMA: Metamorphic hills, Lee County, Auburn (Baker § Earle,596). Central 
Pine belt, Coast plain. Damp shady copses and woods. Mobile and Baldwin coun- 
ties. Tuscaloosa County (EZ. A. Smith). July to September; not infrequent; 
perennial. 
Type locality: ‘Ex Amer. merid. Commun. a D. Richard.” 
Herb. Geol. Surv. Herb. Mohr. 
CHAETOCHLOA Scribner, Bull. U. 8S. Dept. Agr. Div. Agrost. 4:39. 1897! 
(CHAMAERAPHIS Kuntze, Rev. Gen. Pl. 2: 767. 1891. Not R. Br.) 
(IxoPpHoRus Nash, Bull. Torr. Club, 22:422. 1895. Not Schlecht.) 
(SeTaRIA Beauv. Agrost.113. 1812. Not Achar. 1798. ) 
About 28 species, weedy annuals, of warmer temperate and tropical regions. 
Chaetochloa glauca (L.) Scribner, Bull. U. 8. Dept. Agr. Div. Agrost. 4:39. 1897. 
PIGEON GRASS. 
Panicum glaucum J. Sp. Pl. 1:56. 1753. 
1The North American species of Chaetochloa. By F. Lamson-Scribner & Elmer D. 
Merrill. Bull. 21, U. 8. Dept. Agr. Div. Agrost. 1900. 
