92 METASPERMAE OF THE MINNESOTA VALLEY. 
Cyperus esculentus Linn. Spec. 45 (1758). 
C. phymatodes MuUHL. Gram. 23 (1817). 
C. repens Eu. Sk. I, 69 (1821). 
Wats. and Coult., Gray’s Man. 6 ed. 571; Britt., Fl. N. J. 260; Upham, 
Fl. Minn. 150; Webb., Fl. Neb. 99; Wats., Fl. Calif. IT. 215; Mac., Fl. Can. 
II. 93; Chap., Fl. S. St. 508? Richt., Pl. Eur. 135; Engl. Pax., Nat. Pflanz. 
II, 2, 108; Cov., Fl. Ark. 229; Britt., Torr Bull. XIII, 210. 
Cosmopolitan. 
North America: N. Br. to L. Erie; S. to Fla.; W. to 
Minn., Yosemite and Tex. 
Minn. valley: Reported from forest district; rare; low 
places along streams. 
Cyperus erythrorhizos Muni. Gram. (1817). 
Wats. and Coult., Gray’s Man. 6 ed. 571; Britt., Fl. N. J. 261; Upham, 
Fl. Minn. 150; Mac., F). Can. II. 94; Chap., Fl. 8. St. 512; Wats., Fl. Calif. 
II, 215; Cov., Fl. Ark. 229: Britt., Torr. Buli. XIII, 213, 
North America: W. Ont. to L. I., N. J.. Penn.; 8S. to 
Fla.; W. to Minn., Mich. and N. Mex.; also, Rio Colorado to 
Oregon. 
Minn. valley: Throughout; rather common; banks. 
HeERB.: Sheldon 880, Sleepy Eye; Bullard 802, Goose 
lake; Ballard 832, Page lake; Ballard 892, St. Bonifacius ; 
Taylor 1117, Glenwood; Ballard 274, Jordan, Scott Co.; Sheldon 
1633, Taylor’s Falls; MacM. and Sheld. 29, Brainerd; Sandberg 
506, Goodhue Co. 
Cyperus filiculmis Vaut, Enum. II, 32% (1806). 
Scirpus cyperiformis MuUHL. Gram. 41 (1819). 
Cyperus mariscoides Eu. Sk. I, 67 (1821). 
Wats. and Coult., Gray’s Man. 6 ed. 570; Britt., Fl. N. J. 261; Mac., Fl. 
Can. II, 94; Upham, Fl. Minn. 150; Webb., Fl. Neb. 99; Chap., FI. S. St. 
511; Coult., Fl. Colo. 366; Cov., Fl. Ark. 229; Britt., Torr. Bull. XIII. 216. 
North America: Ont. to N. Eng. and N. J.; S. to Fla.; 
W. to Minn., Neb., Kan., Ark., Colo. and Tex. 
Minn. valley: Forest district and perhaps W.; dry and 
waste places. 
HeERsB.: Ballard 636, Chaska, Carver Co.; AfacM. and 
Sheld. 25, Brainerd; Ballard 18a, Goodhue Co.; Leiberg 76, Blue 
Earth Co.; Sandberg 511, Red Wing; 512, Red Wing. 
Cyperus schweinitzii Torr. Cyp. 276 (1836). 
O. alterniflorus SSHWEIN. Long Appx. IT, 381 (1825) net R. Br. 
Wats. and Coult., Gray’s Man. 6 ed. 570; Webb., Fl. Neb. 99; Upham, 
Fl. Minn. 150; Mac., Fl. Can. II, 93; Roth., Wheel. Exp. 274; Britt., Torr. 
Bull. XIII, 207. 
North America: Ont. to L. of Woods, Qu’Appelle, 
Assiniboia; S. toW. N. Y. and Penn.; W.to Minn. Neb. and Can. 
