294 METASPERMAE OF THE MINNESOTA VALLEY 
Baillon, Hist. Pl. I, 466; Benth. and Hook., Gen. Pl. I, 620; Durand, 
Ind. Gen. Phan. 113; Engler and Prantl, Nat. Pflanz. 3, III, 34, 35, 36 
(Focke); Schenck, Palaeophyt. 666. 
Living species: 800+ described; 165 distinct. Boreal 
and temperate regions of N. hemisphere, tropical mts. and 2 
sp.inS. hemisphere. Russia, 70; Europe, 67; Russian Europe, 
43; North America, 52-56; California, 35; E. Sts., 14-15; Can- 
ada, 80-33; Rocky mts., 16-20; Pl. King, 15; Pl. Wheel., 14; 
S. Sts., 3. 
Fossil species: Arctic regions, Tertiary (Heer) Dryas?. 
Potentilla canadensis Linn. Spec. 498 (1753). 
P. pumila Porr. Enc. Meth. V, 594 (1804). 
P. sarmentosa WILLD. Enum. 554 (1809). 
Wats. and Coult., Gray’s Man. 6 ed. 160; Britt., Fl. N. J. 96; Upham, 
Fl. Minn, 49; Chap., Fl. S. St. 124; Mac., Fl. Can. I, 141, 518; Cov., Fl. Ark. 
179; Wats., Bibl. Ind. I, 294. 
North America: N.S., Q., Ont. to L. Huron; S. to N. 
Eng., N. J., N. Car. and Miss.; W. to Minn., Neb., Kan. and 
Ark. 
Minn. valley: Throughout; in dry or sandy soil; 
especially in forest openings. 
Hers.: Ballard 252, Jordan, Scott Co.; Taylor 930, 
Glenwood; Taylor 570, Minnesota lake; Taylor 797, Glenwood; 
Ballard 416, New Prague, Scott Co.; Ocvstlund 42, Hennepin 
Co.; Kassube 70, Minneapolis; Oestlund 43, Hennepin Co.; Her- 
rick 94, Minneapolis; Herrick 95, Minneapolis; Sandberg 169, 
Cannon Falls. : 
Potentilla canadensis Linn. var. simplex (MicHx.) T. and 
G. FL I, 448 (1838). 
P. simplec Micux. Fl. N. Am. I, 303 (1803). 
P. caroliniana Potr. Enc. Meth. V, 595 (1804). 
Wats. and Coult., Gray’s Man. 6 ed. 160; Britt., Fl. N. J. 96; Webb., 
Fl. Neb. 128; Upham, Fl. Minn. 49; Chap., Fl. 8. St. 124; Mac., Fl. Can. I, 
141, 518; Wats., Bibl. Ind. I, 294. 
North America: With type; more common eastward. 
Minn. valley: Forest district; N. E. and reported to 
New Ulm; meadows and damp places along streams. 
HeERB.: Sandberg 170, Chisago Co.; Manning 3, Lake 
City. 
Potentilla anserina Linn. Spec. 495 (1753). 
Wats. and Coult., Gray’s Man. 6 ed. 160; Britt., Fl. N. J. 96; Upham, 
Fl. Minn. 50; Coult., Fl. Colo. 86; Trautv., Fl. Sib. 50; Hook., Fl. Gt. 
Brit. 125; Brew. and Wats., Fl. Calif. I, 180; Mac., Fl. Can. I, 141; Forbes 
and Hems., Fl. Sin. 240; Led., Fl. Ross, II, 44; Nym., Fl. Eur.; Miyabe, 
Fl. Kur. 232; Herd., Fl. Eur. Russ. 48; Greene, F]. Fran. 63; Wats., King 
