SEDf4ES. 403 



Alabama: Coast region. Brackish and salt marshes. Mohile and Baldwin coun- 

 ties. Jnly to .September; cominon. Perennial. 

 Type locality: " Hab. in Carolina inferiore." 

 Herb. Geol. Surv. Herb. Mohr. 



Scirpus cylindricus (Torr.) Britton, Trans. N. Y. Acad. 8ci. 11 : 70. 1892. 



Caxby's BiiLUUsir. 



Scirpus maritimiis var. cylhtdricus Torr. Ann. Lye. N. Y. 3 : 325. 183G. 



S. lepioleiris Chap. IT. 520. 18G0. 



S. canbt/i Gray, Am. Journ. Sci. ser. 2, 38 : 289. 1864. 



Gray, Man. ed. 6,580. Cbap. Fl. 20. 



Carolinian and Louisianian areas. Coast of Maryland to Florida, and west to Mis- 

 sissippi and Louisiana. 



Alabama: Coast plain and Lower Pine region. In still-flowing water. Pine-barren 

 streams. Mobile and Baldwin counties. May to July; frequent. 



Rhizoma fibrous, with slender runners. Perennial. 



Type locality : "Georgia, Di\ Baldwin!" 



Herb. Geol. Surv. Herb. Mohr. 



Scirpus olneyi Gray, Bost. Journ. Nat. Hist. 5 : 238. 1845. Olney's Bulrush. 



Gray, Man. ed. 6, 579. Chap. Fl. 519. Coulter, Contr. Nat. Herb. 2 : 471. AVats. Bot. 

 Calif. 2: 218. 



Mexico. 



Alleghenian to Louisianian area. .Southern New England along the tide-water 

 region to Florida, west to Texas, New Mexico, and California. 



Alabama: Coast plain and Littoral belt. In fresh, brackish, and salt marshes. 

 Mobile County, swamps in tlie delta of Mobile River. Baldwin County, Bou Secour, 

 salt marshes. July to October ; connnon. Perennial. 



Stem 4 to 5 feet high, from a long creeping rhizoma. 



Type locality: "In a salt marsh on the Seekonk River, Rhode Island, Mi: S. T. 

 Oliiey." Also "detected on the coast of New Jersey by * * * Dr. Knieskern." 



Herb. Geol. Surv. Herb. Mohr. 



Scirpus lacustris L. Sp. PI. 1 : 48. 1753. Large Bulru.su. 



Scirpus validus Vahl, Enum. 2 : 268. 1806. 



Ell. Sk. 1:81. Gray, Man. ed. 6, 580. Chap. Fl. 520. Wats. Bot. Calif. 2 : 219. Coul- 

 ter, Contr. Nat. Herb. 2 : 471. (iriseb. Fl. Brit. W. Ind. 571. 



Under several forms, widely' distributed in temperate and warmer regions. 



Europe, Asia, Oceania, North axd South America. 



All over the North American continent from British America to the Gulf, west to 

 the Rocky Mountains and the Pacific coast. 



Alabama: Over the State. In gently-flowing waters, lakes, and deep ponds, Tus- 

 caloosa, Mobile, and Baldwin counties. July, August; common. Perennial. 



Type locality: "Hab. in Europae aijuis puris stagnantibus et fluviatilil)us. 



Herb. Geol. Surv. Herb. Mohr. 



Scirpus divaricatus Ell. Sk. 1 : 88, /. J,/. 4. 1816. Spreading Bulrush. 



Ell. 1. c. Chap. 520. 



Louisianian area. South Carolina, Georgia, and from western Florida to Louisiana. 



Alabama: Upper division Const Pine belt. Shaded swamps. Henry County, 

 headwaters of Choctawhatchee River, near Echo. July; rare. Perennial. 



Type locality : "Grows in the pine barren between Bees Creek and Perrysburg 

 [S.C.]." 



Herb. Geol. Surv. 



Scirpus robustus Pnrsh, FL Am. Sept. 1 : 56. 1814. Salt-marsh Bulrush. 



Scirpus maritimnf>\M\macrostacliyu8Wic\i^.Y\.'Bov. X\n.'L:'i2. 1803. Not S. macro- 

 stachi/us Lam. 



Eli. .Sk. 1 : 86. Gray, Man. ed. 6, 581. Chap. Fl. 520. Coulter, Contr. Nat. Herb. 

 2 : 472. 



Alleghenian to Louisianian area. Nova .S(H)tia; New England to Florida, west to 

 Texas along the shore. 



Alabama: Littoral region. Brackish nnd salt marshes. Mobile County, AV'est 

 Fowl River. July. Perennial. 



Type locality: "In salt marshes and on tlie banks of rivers, common." 



Herb. Mohr. 



Scirpus fluviatilis (Torr.) Gray, Man. 527. 1848. River Cluh-rush. 



Scirpus marittmus var. Huvidiilis Torr. Ann. Lye. N. Y. 3 : 324. 1836. 

 Gray, Man. ed. 6, 581. Britt. &, Brown. 111. Fl. 1 : 268. 



