392 PLANT LIFE OF ALABAMA. 



Cyperus multiradiatus (Torr.) Mohr. LE CONTE'S CYPERUS. 



Cyperus dentatus multiradiatus Torr. Ami. Lye. N. Y. 3 : 272. 1836. 



C. lecontii Torr. 1. c. 273. 



Chap. Fl. 509. 



Louisianian area. Eastern and western Florida, and on the seashore west to Mis- 

 sissippi. 



ALABAMA: Littoral region. Drifting sands on the seashore. Dauphin Island. 

 Eastern shore Mobile Bay, Point Clear, Josephine. June, July ; frequent. The long 

 creeping rhizoinas deeply buried in the sand. Perennial. 



Type locality: "East Florida, Le Conte!; New Orleans, Dr. Inyalls!" 



Herb. Mohr. 



Cyperus articulatus L. Sp. PI. 1 : 44. 1753. ADRUE. GUINEA RUSH. 



Ell. Sk. 1 : 63. Chap. Fl. 508. Coulter, Contr. Nat. Herb. 2 : 463. Griseb. Fl. Brit. 

 W. Ind. 564. 



ALL TROPICAL COUNTRIES. EGYPT, CAPE OF GOOD HOPE. 



Louisianian area. South Carolina, Florida, west to Texas. 



ALABAMA: Coast plain. Margin of fresh and slightly brackish marshes. Mobile 

 County, river swamps. Baldwin County, Fish River Bay. August, 4 to 5 feet high; 

 frequent. Perennial. 



Type locality : " Hab. in Jamaicae rivulis." 



Herb. Mohr. 



Cyperus articulatus conglomeratus Britton, Bull. Torr. Club, 13 : 210. 1886. 



Louisianian area. Alabama to western Texas. 



ALABAMA : Littoral belt, salt marshes. Baldwin County, Bon Secour. Rare. Per- 

 ennial. Easily distinguished by the pale spikelets in close capitate clusters. 



Type locality: "Valley of the lower Rio Grande (Buckley)." 



Herb. Mohr. 



Cyperus sphacelatus Rottb. Desc. Nov. PL 26 ; Prog. 21. 1773. 



Vahl, Enuin. 2 : 341. Griseb. Fl. Brit. W. Ind. 565. 



WEST INDIES, BRAZIL. 



Adventive on ballast in California. 



ALABAMA: Ballast heaps. Mobile, September, 1891. 



Type locality not ascertained; VahFs locality: "Habitat in Surinamo, Cajenna, 

 Puertorico; in Guinea, Thonning." 



Herb. Geol. Surv. Herb. Mohr. 



Cyperus rotundus L. Sp. PL 1 : 45. 1753. NUT GRASS. 



Cyperus hydra Michx. Fl. Bor. Am. 1 : 27. 1803. 



Ell. Sk. 1 : 68. Gray, Man. ed. 6, 571. Chap. Fl. 506. Griseb. Fl. Brit, W. Ind. 463. 

 Coulter, Contr. Nat. Herb. 2 : 463. 



WEST INDIES TO GUIANA; ALL TROPICAL AND SUBTROPICAL COUNTRIES OF THE 

 OLD WORLD; AUSTRALIA. 



Louisianian area. From the coast of southern Virginia to Florida, west to Texas. 



ALABAMA: Central Pine belt to the Coast plain. The most abundant and perni- 

 cious of weeds in the cultivated lands of the low country. Perennial. 



Type locality : " Hab. in India." 



Herb. Geol. Surv. Herb. Mohr. 



Cyperus esculentus L. Sp. PI. 1 : 45. 1753. WILD CHUFA. 



Cyperus phymatodes Muhl. Gram. 23. 1817. 

 C. revens Ell. Sk. 1 : 69. 1817. 



repens 



Gray, Man. ed. 6, 571. Chap. Fl. 508. Coulter, Contr. Nat. Herb. 2 : 463. Griseb. Fl. 

 Brit. W. Ind. 565. 



An almost cosmopolitan weed in temperate and warmer regions. 



SOUTH EUROPE TO SOUTH AFRICA, AUSTRALIA, WEST INDIES, ATLANTIC SOUTH 

 AMERICA. 



Alleghenian to Louisianian area. From New Brunswick, Ontario, and New Kng- 

 land, west to Nebraska, and throughout Eastern North America to Florida and the 

 Gulf States; also in California. 



ALABAMA: Over the State. In sandy soil. Most frequent from the Central Prairie 

 region to the coast. A somewhat troublesome weed of easy extermination. Mont- 

 gomery, Hale, Escambia, Mobile, and Baldwin counties. July, September; frequent. 

 Perennial. 



Type locality : "Hab. Monspelii, inque Italia, Oriente." 



Herb. Geol. Surv. Herb. Mohr. 



