32 METASPERMAE OF THE MINNESOTA VALLEY. 



Minn, valley: Throughout; marshes, swamps and 

 edges of lakes. 



HERB.; Sheldon 247, Lake Washington, Blue Earth 

 Co.; Taylor 699, Minnesota Lake; Ballard 262, Jordan, Scott 

 Co. ; Taylor 408, Janesville; Sandberg 527, Chisago Lake; Herrick 

 280, Minneapolis; Kassube 222, Minneapolis. 



II. SPARGANIACEAE. Burr-Reed Family. 



Endlicher, Gen. PL 241 (1840); Benth. and Hook., Gen. PI. III. 955 

 (1883); Engler in Engl. and Prantl, Nat. Pflanz. 2, 1. 192 (1887). 



Genera : 1; temperate and colder regions of Northern Hem 

 isphere; Australia and New Zealand; swamps and marshes. 

 Species : 6-8 living; 2-3 extinct. 



SPARGAN1UM LINN. Gen. 706 (1737). 

 Platanaria S. F. Gray, Art: II. 39 (1821). 



Benth. and Hook., Gen. PL III. 955; Durand, Ind. Gen. Pfian. 445; 

 Engler and Prantl, Nat. Pjianz. 2, I. 193 (Engler); Schenck, PalaeophyL, 

 376-377. 



Living species : 6-8 ; temperate and colder regions of N 

 hemisphere, Australia and New Zealand. Canada, 6; Calif., 2; 

 E. Sts., 3. 



Fossil species : 5-10 described ; 2-3 distinct ; Tertiary, 

 widely distributed. 



Sparganium simplex HUBS. Fl. Angl, ed. 2, 401 (1762). 



8. erectum var B. LINN. Spec. 971 (1753). 



8. erectum WAHL. Fl. Suec. 1020 (1824-26). 



S. simplex var nuttallii ENGELM. Gray's Man., 5 ed. 481 (1867). 

 Wats, and Coult., Gray's Man., 6ed.548; Upham, Fl.'Minn. 135; Watson, 

 Fl. Calif., II. 188 ; Coult., Fl. Colo, 359 ; Mac., Fl. Can., II. 70, 367 ; Nym., 

 Fl. Eur.; Led., Fl. Ross, IV. 4 ; Hook., Fl. Gt. Brit. 422; Richt.. PL Eur. 

 10; Herd., Fl. Eur. Russ. 122; Engl., Nat. Pflanz., II. I, 193; Roth., Wheel. 

 Exp. 269; Cov., Fl. Ark. 227? Hart, Fl. Scand., I, 440. 



Europe; Siberia to Dahuria. 



North America: Sierras to Oregon; throughout Can. 

 to Ft. Franklin on Mackenzie. Newf. and Vancouver; S. to 

 Minn., Mich., N. J. 



Minn, valley: N. E. district; infrequent; swamps, 

 marshes and edges of lakes. 



HERB.: Roberts 124, Agate Bay; Sandberg 529, Red - 

 Wing; var. fluitans Bailey 85, Vermilion Lake; MacM. and 

 Sheld. 27, Cass Co. 



