396 METASPERMAE OF THE MINNESOTA VALLEY. 



North America: Atl. provinces to Coast range of Brit. 

 Col.; Mackenzie river to 64° N. lat. ; U. S. throughout to Fla., 

 Miss, and Tex. 



Minn, valley: Throughout; wet meadows and bogs; 

 abundant. 



Herb. : Ballard 372, Helena, Scott Co. ; Ballard 629, 

 Chaska; Ballard 350, Helena, Scott Co. ; Taylor 591, Minnesota 

 lake; Taylor 330, Janesville; Taylor 990, Glenwood; Taylor 276, 

 Janes ville; Sheldon 528, Waseca; Sheldon 1290, Lake Benton; 

 Sheldon 752, Sleepy Eye; Taylor 700, Glenwood; Kassubs 102, 

 Minneapolis; Bailey 251, Vermilion lake; OesUund 69, Minne- 

 apolis; Sandberg 222, Cannon Falls; MacM. and Sheld. 40, 

 Brainerd; Herb. Sheld. 1698, Minneapolis; Herb. Moyer 93, 

 Montevideo. 



SIUM Linn. Gen. 219 (1737). 



Benila Koch, M. and K. Deutschl. Fl. II, 433 (1826). 

 Sisarum Tourn. Inst. 308 (1700). 

 Baillon, Hist. PI. VII, 222; Benth. and Hook., Gen , PI. I, 893; Du- 

 rand, Ind. Gen. Phan. 159. 



Living species: 6; N. hemisphere and S. Africa. N. 

 America, 2; 1, W. Sts. ; 1, E. and W. Sts. Russia, 5; Europe, 

 3; Russian Europe, 3. 



Sium angustifolium Linn. Spec. 2 ed. 1672 (1762). 

 Berula angustijolia Koch, Deutsch. Fl. II, 455 (1826). 

 Sium 2ntsillum Nutt. T. and G. Fl. I, 611 (1838). 

 "Wats, and Coult., Gray's Man. 6 ed. 207; Upham, Fl. Minn. 63; Brew, 

 and Wats., Fl. Calif. I, 260; Coult, Fl. Colo. 115; Hook., Fl. Gt. Brit. 173; 

 Mac, Fl. Can. I, 534; Coult., Fl. Tex. 148; Led., Fl. Ross. II, 258; Wats., 

 King Exp. 121; Roth, Wheel. Exp. 133; Gov., Fl. Ark. 185; Wats., Bibl. 

 Ind. I, 415; C. and R., Rev. N. Am. Urab. 133; Hart., Fl. Scand. I, 154; 

 Webb., Appx. Neb. 33. 



Europe and Siberia. 



North America: Ont. to N. Eng., Minn, and Colo.; S. 

 to Tex. and Mex., and in Calif. 



Minn, valley: S. central district; local in region of 

 Mankato and Kasota. 



Herb.: Sandberg 226, Goodhue Co.; G'raJi/ i, Vicker- 

 man's spring; Leiberg 24, Blue Earth Co. 



Sium cicutaefoUum K. C. Gmel. Syst. II, 482 (1806). 

 ? S. suave Walt. F. Car. 115 (1788). 

 S. lincare Micnx. Fl. N. Am. I, 167 (1803). 

 S. tenuifolium Mum.. Cat. 30 (1813). 

 S. latifolium Bigel. Fl. Bost. 69 (1824). 

 S. rwjosam Raf. Med. Bot. II, 264 (1830). 



