SEDGES. 397 



WEST INDIES, MEXICO TO BRAZIL, ARGENTINA. 



Carolinian and Louisianian areas. Central New York to Michigan; south from 

 New Jersey to Florida, west to Arkansas and Texas. 



ALABAMA : Coast plain. Central Prairie region. Shallow'ponds. Mohile County, 

 Choctaw Point. Wilcox County (Buckley). June,.July; not rare. Perennial. 



Type locality : Jamaica. 



Herb. Geol. Surv. Herb. Mohr. 



Eleocharis ochreata (Nees) Steud. Syn. PL Cyp. 79. 1855. PALE SPIKE-RUSH. 



Eleogenua ochreatus Nees in Mart. Fl. Bras. 2, pt. 1 : 102. 1842. 



Scirpus ocreatus Griseb. Fl. Brit. W. Ind. 570. 1864. 



S. anisochaetus Sauv. Fl. Cub. 174. 1868. 



Chap. Fl. ed. 3, 545. 



"Rhizoma fibrous, stoloniferous ; stems low, striate, knotless; sheaths loose, mem- 

 branaceous, pointless; spikelets ovate-oblong, 5 to 15 flowered; glumes few-ranked, 

 elliptical-oblong, bluntish; style bifid; achenium shining brown, obovate, bicon- 

 vex, smooth, nearly as long as the bristles ; tubercle small, conical, pointed, about one- 

 third as broad as the achenium. 7 ' Grisebach. 



WEST INDIES, MEXICO, CENTRAL AMERICA, BRAZIL. 



Carolinian and Louisianian areas. Southern Virginia, Florida, Alabama ; Rocky 

 Mountains, in thermal springs. (Montana, Yellowstone Park. ) 



ALABAMA : Coast plain. Exposed muddy places, ditches, and in still flowing water. 

 Mobile County, Dauphin way, miry pools; West Fowl River, damp sands near the 

 shore. Baldwin County, Fly Creek. June to July; not infrequent. Perennial. 



Varies greatly in size and habit of growth, according to locality. In moist sand 

 the rhizome is fibrous, tardily stoloniferous; the stem more rigid, 4 to 6 inches high; 

 the spikelets half a line wide, ovate, 5 or 6 flowered. In wet places the rhizomes are 

 more or less stoloniferous, the stem weak, slender; the spikelets 1 to 2 lines long, 

 acute, 15 to 20 flowered. Immersed in still flowing brooks, the stolons are highly 

 proliferous, the floating flaccid stems 2 to 3 .feejb long, forcing dense mats; the 

 achenes almost black, shining. 



Type locality, Brazilian. 



Herb. Geol. Surv. Herb. Mohr. 



Eleocharis olivacea Torr. Ann. Lye. N. Y. 3 : 300. 1836. 



BRIGHT-GREEN SPIKE-RUSH. 



Gray, Man. ed. 6, 575, t. 2, f. 1-5. Chap. Fl. 518. 



Alleghenian to Louisianian area. New England (Mount Desert Island) ; western 

 New York and New Jersey to North Carolina and Florida, west to Mississippi and 

 Colorado. 



ALABAMA: Lower Pino region. Coast plain. Shaded margins of ponds, ditches. 

 Mobile County. Flowers June, July ; not rare. Perennial. 



Type locality: "Pine barrens of New Jersey!; ojn Long Island near Babylon!; 

 Tewksbury pond, Mass. , B. J). Greene, Esq. ! 



Herb. Geol. Surv. Herb. Mohr. 



Eleocharis capitata (Willd.) R. Br. Prodr. Fl. Nov. Holl. 225. 1810. 



CAPITATE SPIKE-RUSH. 



Scirpus capitatus Willd. Sp. PL 1 : 294. 1795. 



Gray, Man. ed. 6, 574. Chap. FL 518. Conker, Contr. Nat. Herb. 2 : 467. Griseb. 

 FL Brit. W. Ind. 570. 



TROPICAL ASIA, AFRICA, AUSTRALIA, WEST INDIES, MEXICO TO BRAZIL. 



Carolinian and Louisianian areas. Maryland to Florida, west to Indiana, Texas, 

 New Mexico, and Oregon. 



ALABAMA: Littoral region. Damp sand near salt water. Mobile County, West 

 Fowl River, western shore Mobile Bay. Flowers July ; rare. Annual. 



Type locality: " Hab. in Virginia inque insulis Caribaeis." 



Herb. Geol. Surv. Herb. Mohr. 



Eleocharis ovata (Roth) Roem. &. Schult. Syst. Veg. 2:152. 1817. 



OVOID SPIKE-RUSH. 



Scirpus ovatus Roth, Cat. 1 : 5. 1797. 



S. capitatus Walt. Fl. Car. 70. 1788. Not Willd. 



S. oblusus Willd. Enum. 1 : 76. 1809. 



Eleocharis obtusa Schult. Mant. 2 : 89. 1824. 



Ell. Sk. 1 : 77. Gray, Man. ed. 6, 574. Chap. FL 518. Coulter, Contr. Nat. Herb. 

 2 : 468. Wats. Bot. Calif. 2 : 222. 



CENTRAL EUROPE, ASIA, SIBERIA. 



Canadian zone to Louisianian area. Nova Scotia and Quebec to British Colum- 

 bia ; New England, west to Nebraska, south to the Gulf and from Florida to Texas 

 and Arkansas. 



