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. 
Hers.: Taylor 859, Glenwood; Sheldon '1174, New 
Ulm; Sheldon 1485, Pipestone city; Sheldon 785, Sleepy Hye; 
Ballard 100, Shakopee; Ballard 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 MomNcH, Meth. 674 (1794). 
H. cortusa Micux. Fl. N. Am. I, 171 (1803). 
H. viscida Pursu, Fl. Am. 187 (1814). 
H. foliosa Rar. Herb. Torr. 
A. 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. 8. St. 152; Cov.,2 Fl. Ark. 
180; Engl., Nat. Pflanz. 3, Il 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.fand E. edge; rare; 
rocky woodlands. 
HERB.: Hammond 1, Lake City: 
MITELLA Linn. Gen. ed V, 496 (1754). 
Drummondia DC. Prodr. IV, 49 (1830). 
Mitellopsis Mrtssn. Gen. 136 (1843). 
? Oreanthus Rar. Ser. Bull. Kot. I, 216 (1830). 
Baillon, Hist. Pl. IIT, 425; Benth. and Hook., Gen. Pl. I, 638; Durand, 
Ind. Gen. Phan. 116; Schenck, Palaeophyt. 617; Engler and Prantl, Nat. 
Pflanz. 3, IL a, 68. 
Living species: 7; North America, 6; Japan, 1; Can- 
ada, 6; Rocky mts., 2; Calfornia, 8; S. Sts., 1; E. Sts. 2; Pl. 
King, 2. 
: Fossil species: Amber, Germany? (Caspary). 
Mitella nuda Linn. Spec. 406 (1753. 
M. reniformis LAM. Il. II, 395 (1793), 
M. cordifolia Lam. Ill. II, 395 (1793). 
M. prostrata Micux. FI. 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. IT, 
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. 8., N. B., Newf. to 
