100 METASPERMAE OF THE MINNESOTA VALLEY. 



Heleocharis acicularis (LINN.) R. BR. Prodr. I, 80 (1810). 



Scirpus acicularis LINN. Spec. 48 (1753). 



Cyperus acicularis WITH. Arr. Brit. PL 78 (1776). 



Mariscus acicularis MOENCH, Meth. 350 (1794). 



Scirpus trichodes MUHL. Gram. 30 (1817). 



Ekocharis costata PR. Fl. Cech. 11 (1819). 



Isolepis acicularis SCHLECHT. Fl. Berol. 1, 36 (1823). 



Scirpus chaeta SCHULTES, Mant. II, 272 (1824;. 



Clavula acicularis DUM. Fl. Belg. 143 (1827). 



Linnochloa acicularis EEICH. FL Exc. 78 (1830). 



Scirpidium acicularis NEES, Linn. IX, 293 (1835). 



Chaetocyperus urceolatus LEIBM. Mex. Halvg. 243 (1849). 

 Wats, and Coult., Gray's Man. 6 ed. 576: Britt., Fl. N. J. 263; Upham, 

 Fl. Minn. 151; Webb., Fl. Neb. 99; Coult., FL Colo. 369; Mac., Fl. Can. II, 

 97; Chap., Fl. S. St. 518; Wats., Fl. Calif. II, 221; Richt., PL Eur. 143; 

 Led., Fl. Ross. IV, 243; Hook., FL Gt. Brit. 441; Herd., Fl. Eur. Russ. 

 138; Engl. Pax, Nat. Pflanz, II, 2, 112; Wats., King Exp. 360; Roth.,Wheel. 

 Exp. 275, 376; Cov., FL Ark. 229; R. and S., Syst. II, 154; Britt.. Jour. Mic. 

 Soc. N. Y. V, 104: Hart., FL Scand. I, 449. 



Northern hemisphere to N. W. India and Mexico. 

 North America: N. S., Hudson Bay and Saskatchewan; 

 S. to N. J., Fla. and Mex.; W. to Pac. from Santa Barbara to 

 Brit. Col. 



Minn, valley: Throughout; wet places, borders of 

 marshes and shores of lakes. 



HERB.: Taylor 1084, Glenwood; Sheldon 817, Sleepy 

 Eye; Sheldon 161, Madison Lake, Blue Earth Co.; Bollard 790, 

 Swan lake, Carver Co. ; Bollard 281, Jordan, Scott Co. ; Bol- 

 lard 79, Chaska; Taylor 74, Elysian; MacM. and Sheld. 52, 

 Brainerd; Bailey 150, Vermilion lake; Kassube 253, Minne- 

 eapolis; Oestlund 213, Ramsey Co. ; Sandberg 516, Red Wing; 

 Sandberg 517, Chisago Co. ; Leiberg 78, Blue Earth Co. ; Leiberg 

 79, Blue Earth Co. ; Herb. Sheld. 1848, Minneapolis. 



Heleocharis tenuis (WILLD.) SCHULTES, Mant. II. 89 (1824). 



Scirpus tenuis WILLD. Enurn. I, 76 (1809j. 



Wats, and Coult., Gray's Man. 6 ed. 575; Britt., Fl. N. J. 263; Upham, 

 Fl. Minn. 151; Mac., Fl. Can. II, 97; Chap., Fl. S. St. 517; Cov., Fl. Ark. 

 230; Britt., Jour. N. Y. Micro. Soc. V, 108. 



North America: N. S. to Lake Nipigon, L. Winnipeg, 

 Assiniboia and Rockies; S. to N. J. and N. Car.; W. to Minn, 

 and Mo. 



Minn, valley: Forest district; peat bogs and marshes. 



HERB.: Taylor 29, Elysian; Taylor 640, Minnesota 

 lake; Sandberg 515, Center City, Chisago Co. 



Heleocharis intermedia (MUHL.) SCHULTES, Mant. II, 91 

 (1824). 



