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. : Bollard 372, Helena, Scott Co. ; Bollard 629, 

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

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

 Janesville; Sheldon 528, Waseca; Sheldon 1290, Lake Benton; 

 Sheldon 752, Sleepy Eye; Taylor 760, Glenwood; Kassube 102, 

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

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

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

 Montevideo. 



8IUM LINN. Gen. 219 (1737). 



Berula KOCH, M. and K. Deutschl. Fl. II, 433 (1826). 

 Sisarum TOURN. lost. 308 (1700). 



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

 ra nd, Ind. Gen. Phan. 159. 



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

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

 3; Russian Europe, 3. 



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

 Berula angustifolia KOCH, Deutsch. E'l. II, 455 (1826). 

 Sium pusillum 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., 

 KingExp. 121; Roth, Wheel. Exp. 133; Cov., Fl. Ark. 185; Wats., Bibl. 

 Ind. I, 415; C. and R., Rev. N. Am. Umb. 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.; Grant 1, Vicker- 

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



Sium cicutaefolium K. C. GMEL. Syst. II, 482 (1806). 

 ? 8. suave WALT. F. Car. 115 (1788). 

 5. lineare MICHX. Fl. N. Am. I, 167 (1803). 

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

 8. latifolium BIGEL. Fl. Bost. 69 (1824). 

 S. rugosum RAF. Med. Bot. II, 264 (1830). 



