390 PLANT LIFE OF ALABAMA. 
CYPERACEAE. Sedge Family. 
CYPERUS L. Sp. Pl.1: 44. 1753.! 
Over 500 species, mostly in the tropical and warmer temperate zones. North 
America, endemic, about 60; Atlantic, 44; Western Continental, 14; Pacilic, 6. 
Largely Southern. 
Cyperus flavescens L. Sp. Pl.1: 46. 1753. YELLOWISH CYPERUS, 
Gray, Man. ed. 6,569. Chap. Fl. 505. Coulter, Contr. Nat. Herb. 2: 460. 
SoutH Eurorr, Wust Asta, Nortu Arrica, MEXICO, BRAZIL. 
Alleghenian to Louisianian 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. Autauga County, Prattville. Tuscaloosa County, Vances Station (Z. 4, 
Smith). July to August; not rare. 
Type locality: ‘‘ Hab. in Germaniae, Helvetiae, Galliae paludosis.” 
Herb. Geol. Surv. Herb. Mohr. 
Cyperus diandrus Torr. Cat. Pl. N. Y.90. 1819. Low CYPERus. 
Gray, Man. ed. 6,569. Chap. F1.506. Coulter, Contr. Nat. Herb. 2: 460. 
Alleghenian to Louisianian 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. MobileCounty. 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. 
Nutra.i’s CYPERUS. 
Cyperus caespitosus Torr. Cat. Pl. N. Y.89. 1819. Not Poir. 
C. torreyanus Schult. Mant. 2:101. 1824. 
Ell. Sk. 1: 67, under C. flarescens. Gray, Man. ed. 6,569. Chap. Fl. 506. 
Carolinian and Louisianian areas. Soutkeastern 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, Daaphin Island. Baldwin County, eastern shore 
Mobile Bay. August to October; frequent. 
Type 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 texensis Steud. Syn. Pl. Cyp.9. 1854. 
Gray, Man. ed. 6,569. Chap. F1.506. Coulter, Contr. Nat. Herb. 2: 461. 
MEXICO. 
Carolinian and Louisianian 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. Pl. 1:46. 1753. Fiat CYPERUS. 
El. Sk. 1:65. Gray, Man.ed.6,570. Chap. Fl. 510. Coulter, Contr. Nat. Herb. 
2:461. Griseb. Il. Brit. W. Ind. 562. 
West Inpixvs, MEXICO To BRaziIL. Tropicat. AFRICA, ASIA. 
Louisianian area. Sonthern Maryland along the coast to Florida, west to Texas. 
ALABAMA: Lower Pine region. Coast plain, miry places, ditches, low cultivated 
ground. Escambia County, Flomaton. Mobile and Baldwin counties. July to 
August; common. Annnal. 
Type locality: ‘‘Hab. in Americac septentrionalis pratis arenosis.” 
Herb. Geol. Surv. Herb. Mohr. 
IN. L. Britton, Preliminary List of North American Species of Cyperus, Bull. Torr. 
Club, vol. 13, pp. 205 to 216. 
