390 PLANT LIFE OF ALABAMA. 



CYPERACEAE. Sedge Family. 



CYPERUS L. Sp. PI. 1 : 44. 1753.' 



Over 500 species, mostly in the tropical and warmer temperate zones. North 

 America, endemic, about 60; Atlantic, 44; Western Continental, 14; Pacific, 6. 

 Largely Southern. 



Cyperus flavescens L. Sp. PL 1 : 46. 1753. YELLOWISH CYPEKCS. 



Gray, Man. ed. 6, 569. Chap. Fl. 505. Coulter, Con tr. Nat. Herb. 2 : 460. 



SOUTH EUROPE, WEST ASIA, NORTH AFRICA, MEXICO, BRAZIL. 



Alleghenian to Louisiauian area. From New England west to Michigan, south 

 to Florida and Texas. 



ALABAMA : Tennessee Valley and Central Prairie region. Damp banks of water 

 courses. Lauderdale County. Clay County, banks Talladega Creek. Montgomery 

 County. Antauga County, Prattville. Tuscaloosa County, Vances Station (E. A. 

 Smith}. July to August; not rare. 



Type locality: "Hub. in Germaniae, Helvetiae, Galliae paludosis." 



Herb. Geol. Surv. Herb. Mohr. 



Cyperus diandrus Torr. Cat. PI. N. Y. 90. 1819. Low CYPERUS. 



Gray, Man. ed. 6, 569. Chap. Fl. 506. Coulter, Contr. Nat. Herb. 2 : 460. 



Alle'ghenian to Louisiauian area. New Brunswick, Ontario; New England west 

 to Michigan, Missouri, and Nebraska ; south from southern New York to Florida and 

 Texas. 



ALABAMA : Central Pine belt to coast. Mobile County. Low grassy banks. August ; 

 infrequent. 



Type locality : "Growing in salt marshes. Not uncommon in Hoboken 



meadows, generally in overflowed situations.'' 



Herb. Geol. Surv. Herb. Mohr. 



Cyperus nuttallii Eddy in Spreng. Neue Entdeck. 1 : 240. 1820. 



NUTTALL'S CYPERUS. 



Cyperus caespitosua Torr. Cat, PI. N. Y. 89. 1819. Not Poir. 



C. torreyanus Schult. Mant. 2 : 101. 1824. 



Ell. Sk. 1 : 67, under C. ftarescens. Gray, Man. ed. 6, 569. Chap. Fl. 506. 



Carolinian and Louisianian areas. Southeastern New England along the coast to 

 Florida and west to Mississippi and Arizona. 



ALABAMA: Coast plain and Littoral belt. Low sandy fields and brackish or 

 saline marshes. Mobile County, Dauphin Island. Baldwin County, eastern shore 

 Mobile Bay. August to October; frequent. 



Typo locality not ascertained; Torrey's locality: "Grows on the borders of salt 

 marshes, and is particularly plentiful on the banks of ditches in Hoboken meadows/' 



Herb. Geol. Surv. Herb. Mohr. 



Cyperus microdontus Torr. Ann. Lye. N. Y. 3 : 255. 1836. COAST CYPERUS. 



Cyperus texemix Steud. Syn. PI. Cyp. 9. 1854. 

 Gray, Man. ed. 6, 569. Chap. Fl. 506. Coulter, Contr. Nat. Herb. 2 : 461. 



MEXICO. 



Carolinian and Louisianiau areas. Southern Virginia, through the low country 

 to Florida, west to Texas. 



ALABAMA: Coast plain. Springy places, wet sandy soil. Mobile County. Bald- 

 win County, Point Clear. July to September; frequent. Annual. 



Type locality: "Salem, N. C. Schweinitz." 



Cyperus compressus L. Sp. PI. 1 : 46. 1753. FLAT CYPKRUS. 



Ell. Sk. 1:65. Gray, Man. ed. 6, 570. Chap. Fl. 510. Coulter, Contr. Nat. Herb. 

 2 :461. Griseb. Fl. Brit. W. Ind. 5(52. 



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



Louisianiau area. Southern Maryland along the coast to Florida, west to Texas. 



ALABAMA: Lower Pine region. Coast plain, miry places, ditches, low cultivated 

 ground. Escambia County, Flornaton. Mobile and Baldwin counties. July to 

 August; common. Annual. 



Type locality : "Hab. in Americae septeutrionalis pratis arenosis." 



Herb. Geol. Surv. Herb. Mohr. 



1 N. L. Britton, Preliminary List of North American Species of Cyperus, Bull. Torr. 

 Club, vol. 13, pp. 205 to 216. 



