242 METASPERMAE OF THE MINNESOTA VALLEY. 



Living species: 250+ ; 160 (B. and H.); 200 (Durand); 

 cosmopolitan, but richest in northern, extra-tropical regions; 

 Russia, 70; Europe, 91; European Russia, 37; North America, 

 60+; Canada, 42-47; Calif., 20-24; E. Sts, 18; Rocky mts., 22; 

 S. Sts., 15; W. Tex., 8; PI. Wheel., 18; PI. King, 20. 



Fossil species: 1; Tertiary of Europe [Heer). 



Ranunculus pensylvanicus Linn. f. Suppl. 272 (1781). 



B. canadensis J acq. Misc. 11, 343 (1778). 

 R. trifolius Moench, Suppl. 70 (1802). 

 E. hispidus PuRsn, Fl. Am. 1, 395 (1814). 

 R. hirsutus Curt. Eat. Man. IV, 424 (1825) ? 

 Wats, and Coult., Gray's Man. 6 ed. 43; Britt., Fl. N. J. 37; Webb., Fl. 

 Neb. 116; Chap., Fl. S. St. 8; Coult., Fl. Colo. 8; Mac, Fl. Can. I, 21; Forbes 

 and Hems., Fl. Sin. I, 14; Cov., Fl. Ark. 163; Wats., Bibl. Ind. I, 22. 

 China. 



North America: N. S., N. Br., Ont. to Brit. Col. and 

 Pac. ; N. in arctic circle; S. to N. Eng., N. J., Penn. and Va. ; 

 W. to Minn., Dak., Neb., Colo. Mont.; B. Col. to Oregon. 



Minn, valley: Forest region, especially E. and N. in 

 valley; damp woodland and openings. 



Herb.: Ballard 812, Page lake. Carver Co. ; Ballard 

 695, Waconia; Ballard 737, Waconia; Sheldon 1255. Lake Ben- 

 ton; Taylor 115. Janesville; Ballard Ji.89, Priors lake, Scott Co.; 

 Taylor 827, Glenwood; Ballard 532, Cleary's lake, Scott Co. ; 

 Taylor 981, Glenwood; Oestlimd o, Hennepin Co. ; Herrick 13, 

 Minneapolis; Roberts 4, Grand Marais; Roheris 5, Duluth; 

 Holzinger 7, Winona Co.; Bailey 71, Vermilion lake; Sandherg 

 28, Red Wing; Herb. Moyer. 12, Montevideo. 



Kanunculus repens Linn. Spec. 779 (1753). 



li. prostratus PoiR. Enc. Meth. VI, 113 (1804). 

 R. tomentosits PoiR. Enc. Meth. VI, 127 (1804). 

 R. internieduo Eat. Man. ed. 3, 424 (1822). 

 R. dintoni Beck, Bot. 9 (1833). 

 Wats, and Coult., Gray's Man. 43; Britt., Fl. N. J. 37; Hook., Fl. Gt. 

 Brit. 9; Mac, Fl. Can. I, 21, 481; Forbes and Hems., Fl. Sin. I, 16; Led., Fl. 

 Ross. I, 44, 7.33; Nym., Fl. Eur.; Herd., Fl. Eur. Russ., 10: Coult., Fl. Tex. 

 8; Wats., King Exp. 9; Wats., Bibl. Ind. I, 22; Hart., Fl. Scand. I, 163. 

 Northern Eur. and Africa; Siberia and China. 

 North America: Introduced eastward, but probably 

 indigenous west of the great lakes; Ont. to Brit. Col.; S. to 

 Tex., Arizona, Minn., Iowa, Ohio. 



Minn, valley: Plants of the true R. repens have been 

 found at Ft. Snelling, where the species is possibly indigenous. 

 Habitat like that of R. scpienlrimialis Poir. This is undoubt- 

 edly a rare plant in the Minn, valley. 



