394 PLANT LIFE OF ALABAMA. 



Cyperus flavamariscus Griseb. Fl. Brit. W. Ind. 567. 1864. 



Cyperus flavns Vahl, Enum. 2 : 373. 1806. 



Coulter, Contr. Nat. Herb. 2 : 466. 



WEST INDIES, MEXICO TO BRAZIL. 



ALABAMA: A fugitive from the tropics. Mobile County, on ballast ground. 

 September, 1892-93. Annual. 



Type locality : " Hab. Jamaica!, A 1.; Antigua!, Wullsch.', Trinidad!; (Cuba! and 

 Mexico to Brazil!)." 



Herb. Mohr. 



Cyperus ligularis L. Sp. PI. ed. 2, 1 : 70. 1762. 



Chap. Fl. Suppl. 659; ed. 3, 534 Griseb. Fl. Brit. W. Ind. 566. Chap. Fl. ed. 3, 534. 



WEST INDIES, MEXICO TO BRAZIL. TROPICAL AFRICA TO THE CAPE. 



Louisianian area. Southern Florida. 



ALABAMA: Adventive from the tropics. Mobile, ballast ground, collected first in 

 1891, and again in 1895. Perennial. 



Type locality: "Hab. in Jamaica." 



Herb. Mohr. 



Cyperus ovularis (Michx.) Torn Ann. Lye. N. Y. 3:278. 1836. 



ROUND-HEADED CYPKKUS. 



Kyllingia ovularis Michx. Fl. Bor. Am. 1 : 29. 1803. 



Mariscus orularis Vahl, Enum. 2 : 375. 1806. 



Gray, Man. ed. 6, 572. Chap. Fl. 511. Coulter, Contr. Nat. Herb. 2 : 465. 



Carolinian and Louisianian areas. Southern New York to Illinois, Missouri, south 

 to Florida, and west to Texas. 



ALABAMA: Over the State. Damp grass plots, cultivated ground, most frequent 

 in the Coast plain and Central Prairie region. Cullman, Tuscaloosa, Montgomery, 

 Escambia, Clarke, and Baldwin counties. July, August. Common. Perennial. 



Type locality : "Hab. in Georgia et Carolina." 



Herb. Geol. Surv. Herb. Mohr. 



Cyperus cylindricus (Ell.) Britton, Bull. Torr. Club, 6:339. 1879. Not Chap. 

 1887. PINE-BARREN CYPERUS. 



Mariscus cylindricus Ell. Sk. 1 : 74. 1817. 



Cyperus ovularis var. cylindricus Torr. Ann. Lye. N. Y. 3 : 279. 1836. 



Ell. Sk. 1 : 74. Gray, Man. ed. 6, 572. Coulter, Contr. Nat. Herb. 2 : 466. Britton, 

 Bull. Torr. Club, 7:48,*.$, /. 2. 



Carolinian and Louisianian areas. Long Island, New York, south to Florida, west 

 to southwestern Texas. 



ALABAMA: From the coast to the Central Pine belt. Tuscaloosa, Montgomery, 

 Escambia, and Mobile counties. In sandy, dry, and damp soil. Cultivated ground 

 and woods. Most common in the Coast Pine belt. June to August. Perennial. 



Type locality : "Grows in cultivated land of almost every description. [South 

 Carolina, Georgia.]" 



Herb. Geol. Surv. Herb. Mohr. 



Cyperus refractus Engelrn. ; Boeckl. Linnaea, 36: 369. 1869-70. 



KEFLEXED CYPERUS. 



Gray, Man. ed. 6, 572. Britt. and Brown, 111. Fl. 1 : 244. 



Carolinian and Louisianian areas. New Jersey, Missouri, and North Carolina. 



ALABAMA: Mountain region. Coast plain. Rocky hillsides. Dekalb County, 

 Lookout Mountain, Mentone; frequent. Alpine Mountain near Renfroe, 1,500 feet. 

 October. Mobile County, border of river marshes along the L. & N. R. R. track. 

 September 18. Adveutive. Perennial. 



Type locality : " Missouri." 



Herb. Geol. Surv. Herb. Mohr. 



Cyperus retrofractus (L.) Torr. in Gray, Man. 519. 1848. ROUGH CYPERUS. 



Scirpus retrofractus L. Sp. PI. 1 : 50. 1753. 



Mariscus retrofractus Vahl, Enum. 2 : 375. 1806. 



Ell. Sk. 1 : 74. Gray, Man. ed. 6, 572. Chap. Fl. 511. Coulter, Coutr. Nat. Herb. 

 2 : 466. 



Louisianiau and Carolinian areas. 



ALABAMA: Lower Pine belt to Mountain region. Dry sterile openings, borders of 

 woods. Cullman County, 800 feet. Autauga County, Prattville. Mobile County, 

 Springhill. Baldwin County. Not infrequent. October, November. Perennial. 



Type locality : " Hab. in Virginia." 



Herb. Geol. Surv. Herb. Mohr. 



