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; Bollard 189, Jordan, Scott Co.; Sand- 

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

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

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



Heuchera americana LINN. Spec. 226 (1753). 

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

 H. cortusa MICHX. Fl. N. Am. I, 171 (1803). 

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

 H. foliosa RAF. Herb. Torr. 

 H. 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.,tFl. 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). 

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

 Mitellopsis MEISSN. Gen. 136 (1843). 

 ? Oreanthus RAF. Ser. Bull. Bot. I, 216 (1830). 

 Baillon, Hist. PL III, 425; Benth. and Hook., Gen. PI. 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; PL 

 King, 2. 



Fossil species: Amber, Germany? (Caspary). 



Mitella nuda LINN. Spec. 406 (1753 . 

 M. reniformis LAM. 111. II, 395 (1793). 

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

 M. prostrata MICHX. Fl. N. Am. I, 270 (180H). 



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. Pflanz. 3, II a, 63; Wats., Bibl. Ind. I, 328. 



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

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



