SEDGES. 399 
Carolinian and Louisianian areas. Shores of Delaware, Maryland to Florida, west 
to Texas. 
ALABAMA: Coast Pine belt. Margin of springs and brooks. Mobile County, Spring- 
hill. June to August; rare. Perennial. 
Type locality: ‘‘Von bose aus Nord-America,”’ 
Herb. Geol. Surv. Herb. Mohr. 
Eleocharis tuberculosa (Michx.) Roem. & Schult. Syst. Veg. 2: 152. 1817. 
LARGE-TUBERCLED SPIKE-RUSH. 
Scirpus tuberculosa Michx. F]. Bor. Am, 1:30. 1803. 
Ell, Sk. 1:78. Gray, Man. ed. 6, 574. Chap. FL. 515. Coulter, Contr. Nat. Herb. 
2: 468. 
Carolinian to Louisianian area. Southern Massachusetts to New Jersey, along the 
coast to Florida, west to Texas and Arkansas. 
ALABAMA: Central Pine belt to Littoral region, wet miry places, Autauga County, 
Prattville. Washington County, Yellowpine, Mobile and Baldwin counties; com- 
mon. July to September. Perennial. 
Type locality: ‘‘ Hab. in Carolina inferiore.” 
Herb. Geol. Surv. Herb. Mohr. 
Bleocharis vivipara Link, Hort. Berol. 1: 283. 1827. SPROUTING SPIKE-RUSH, 
Eleocharis prolifera Torr. Aun, Lye. N.Y, 3: 442. 1836. Not Torr. 1]. ¢. 316. 
Kunth, Enum. 2: 146, Chap. F1. 516, in part. 
Carolinian and Louisianian areas, South Carolina and Florida. 
ALABAMA: Metamorphic hills, Coast plain, miry marginof ditches and pools. Lee 
County, Auburn (Baker §° Earle, 564.) Mobile, 1 auphinway, June, July; frequent, 
Perennial. 
Easily confounded with /. camplotricha, with which it is not rarely associated 5 
readily distinguished by the more oblong-obovate, pale, less strongly costate, smooth- 
ish nut, and the short loose sheaths, lacerate at the top. 
Type locality not ascertained ; Kunth’s locality: ‘Carolina ad margines paludum.” 
Herb. Geol. Surv. Herb. Mohr. 
eo 
Eleocharis camptotricha Sauv. Fl. Cub. 178. 1868. HAIRLIKE SPIKE-RUSH, 
Eleocharis prolifera Torr, Aun, Lye. N.Y. 316. 1836,(2) 
Rhizoma descendent, fibrous; stems numerous, filiform, striate, subtriangular, 
suleate; sheaths hyaline with the opening oblique, the head compressed, few- 
flowered; scales about triseriate, ovate, obtuse, brown-hyaline on the sides, with a 
green keel; stamens 2 or3; achenium milky-white, roundish-oblong, triangular, the 
angles strongly pitted; tubercle short-conical; style trifid, long; bristles 5 or 6, 
retrorsely scabrous, unequal, double the length of the achenium. Easily distin- 
guished from its allies by the white pitted and striated achenium. 
CUBA. 
Louisianian area. North Carolina, South Carolina, Georgia, Florida, west to 
Louisiana. 
ALABAMA: Coast plain, border ditches, ponds, exsiccated places. Mobile County. 
June, July; not frequent. Perennial, 
In dense tufts; spikes rarely proliferous, 
Type locality: ‘On the borders of lagoons, Pinar del Rio.” 
Herb. Geol. Surv. Herb. Mohr. 
Bleocharis microcarpa Torr. Ann. Lye. N. Y.3:312. 1836. 
SMALL-FRUITED SPIKE-RUSH, 
Chap. F1.517. Coulter, Contr. Nat, Herb. 2: 468. 
Carolinian and Louisianian areas. Maryland, southern New Jersey to Florida, 
west to Texas. 
ALABAMA: Central Prairie region to Coast plain. 
Shallow ponds and ditches. Montgomery County (G@, McCarthy). Wileox County 
(Buckley). Mobile and Baldwin counties. July; not infrequent. Perennial. 
Type locality: ‘* Wet places. New Orleans. Dr. Ingalls.” 
Herb. Geol. Surv. Herb. Mohr. 
Eleocharis tenuis (Willd.) Schult. Mant. 2:89. 1824. SLENDER SPIKE-RUSIL, 
Scirpus tenuis Willd. Enum. 1:76, 1809, 
Gray, Man. ed. 6,575. Chap, F1.517, Coulter, Contr. Nat. Herb. 2: 468. 
Canadian zone to Carolinian area, Nova Scotia, Quebec, and Lake Superior to the 
Rocky Mountains; New England west to Michigan and Minnesota; throughout the 
Middle States to Missouri, Arkansas, and Texas, 
