276 METASPERMAE OF THE MINNESOTA VALLEY. 



and Man. to Peace river and Hudson Bay; lat. 54° N. to lat. 

 64° N. 



Minn, valley: Throughout; common on exposed hill-, 

 sides, rocky ledges and high bluffs or headlands. 



Herb.: Taylor 859, Glenwood; Sheldon '1174, New 

 Ulm; Sheldon 1485, Pipestone city; Sheldon 785, Sleepy Eye; 

 Ballard 100, Shakopee; Ballard 189, Jordan, Scott Co.; Sand- 

 berg 197, Red Wing; Kassiibe 91, Minneapolis; Bailey 431, 

 Basswood lake; OesUnnd 56, Minneapolis; Herb. Sheld. 1878, 

 Minneapolis; Iferb. Moyer 83, Carlton lake, Chippewa Co. 



Heuchera americana Linn. Spec. 226 (1753). 



H. scapigera MoENcn, Meth. 674 (1794), 

 H. cortusa Micux. PI. N. Am. I, 171 (1803). 

 H. viscida Pursh, Fl. Am. 187 (1814). 

 H. foliosa Raf. Herb. Torr. 

 M. reniformis Raf. Herb. Phil. Acad. Sci. 

 Wats, and Coult., Gray's Man. 6 ed. 172; Mac , Fl. Can. I, 158; Britt., 

 Fl. N. J. 101: Upham, Fl. Minn. 55; Chap., Fl. S. St. 152; Cov.,:F1. Ark. 

 180; Engl., Nat. Pflanz. 3, II a, 62; Wats., Bibl. Ind. I, 324; Wheelock, Torr. 

 Bull. XVII, 195. 



North America: S. Ont., N. Y., Conn., N. J. to Va. 

 and N. Car. ; W. to Minn. , Mo. . Ark. and Miss. 



Minn, valley: Reported from N. E.[and E. edge; rare; 

 rocky woodlands. 



Herb.: Hammond 1, Lake City. 



MITELLA Linn. Gen. ed V, 496 (1754). 

 Dnimmondia DC. Prodr. IV, 49 (1830). 

 Mitellopsis Meissn. Gen. 136 (1843). 

 ?Oreanthii8 Raf. Ser. Bull. Bot. I, 216 (1830). 

 Baillon, Hist. PL III, 425; Benth. and Hook., Gen. Fl. I, 638; Durand, 

 Ind. Gen. Phan. 116; Schenck, Palaeophyt. 617; Engler and Prantl, Nat. 

 Pflanz. 3, II a, 63. 



Living species: 7; North America, 6; Japan, 1; Can- 

 ada, 6; Rocky mts., 2; Calfornia, 3; S. Sts., 1; E. Sts. 2; PI. 

 King, 2. 



Fossil species: Amber, Germany? {Caspary). 



Mitella nuda Linn. Spec, 406 (1753 . 



31. reniformis Lam. 111. II, 395 (1793). 

 M. cordifolia Lam. 111. II, .395 (1793). 

 M. prcMrata Micnx. Fl. N. Am. I, 270 (1803). 

 Wats, and Coult., Gray's Man. 6 ed. 171; Mac, Fl. Can. I, 157; Up- 

 ham, Fl. Minn. 55; Brew, and Wats., Fl. Calif. I, 200; Led., Fl. Ross. II, 

 228; Engl., Nat. Pllanz. 3, II a, 63; Wats., Bib]. Ind. I, 328. 



W. and Baikal Siberia; N. and E. Siberia to Amurland. 

 North America: Labrador, N. S., N. B., Newf. to 



