LIST OF HIGHER SEED PRODUCING PLANTS. 295 



Exp. 89; Roth., Wheel. Exp. 114; Engl. Focke, Nat. Pflanz. Ill, 3, 34; 

 Wats., Bibl. Ind. I, 293; Hart, Fl. Scan. I, 287; Webb., Appx. Neb. 34; 

 Rothr., Alask. 445. 



Arctic Europe; N. Asia to Himalayas and China; Aus- 

 tralasia and S. America. 



North America: Greenland; E. Canada to Arctic 

 ocean; S. to N. Eng., N. J. ; W. to Minn., Neb.; California to 

 N. Mexico. 



Minn, valley: N. E. districts; N. edge and high levels, 

 W. and S. W. ; river banks and hillsides. 



HERB.: Sheldon 1492, Pipestone City; Sheldon 1556, 

 Lake Benton; Sheldon 1360, Verdi, Lincoln Co.; Kassube 73, 

 Minneapolis; Oestlund46, Minneapolis; Herrick97, Minneapolis; 

 Oestlund 47, Hennepin Co.; Sandberg 172, Red Wing; Herb. 

 Sheld. 1763, Minneapolis; Herb. Wickershiem, Ash Lake, Lin- 

 coln Co. ; Herb. Moyer 75, Montevideo. 



Potentilla tridentata SOLAND. Ait. Kew. II, 216 (1789). 



P. retusa MUELL. Fl. Dan. V, 799 (1782 >. 



Wats, and Coult., Gray's Man. 6 ed. 160; Britt., Fl. N. J. 97; Upham, 

 Fl. Minn. 51; Chap., Fl. S. St. 124; Mac.,Fl. Can. I. 141; Wats., Bibl. Ind. 

 I, 301. 



North America: Labrador and Greenland; Newf., N. 



S., N. Br., L. Huron reg., L. Superior to Rocky mts. and 64 

 N. lat in N. W. T.; S. to N. Eng., N, J. and mts. of N. Car. ; W. 

 around Gt. lakes to N. Iowa, Wise, and Minn. 



Minn, valley: Far N. W. and N. edge; only in forest 

 district; high ground and exposed places. 



HERB. : Eoberts 33, Grand Marais; Roberts 34, Duluth; 

 Bailey 425, Fall lake; Herrick 98, Northern Pacific Junction; 

 Sandberg 173, N. P. Junction; Bailey 513, Agate bay. 



Potentilla fruticosa LINN. Spec. 494 (1753). 



P. fmticosa var. americana MARSH. Arbust. Amer. 109(1785). 

 P. jtoribunda PURSH, Fl. Am. 355 (1814). 

 Dasyphora Jl&ribunda RAF. Aut. Bot. 167 (1838). 

 Wats, and Coult., Gray's Man. 6 ed. 160: Britt., Fl.N. J. 96; Upham, 

 Fl. Minn. 50; Coult., Fl. Colo. 86; Brew, and Wats. , Fl. Calif. 1, 180; Trautv., 

 Fl. Sib. 52; Hook., Fl. Gt. Brit. 123; Mac., Fl. Can. I, 141; Forbes and 

 Hems., Fl. Sin. 243; Led., Fl. Ross. II, 61; Nym., Fl. Eur; Miyabe, Fl. Kur. 

 230; Herd., Fl. Eur. Russ. 46; Greene, Fl. Fran. 63; Wats., King Exp. 

 89; Roth., Wheel. Exp. 114; Engl. Focke, Nat. Pflanz. Ill, 3, 34; Wats., 

 Bibl. Ind. I, 296; Hart., Fl. Scand I, 287; Rothr., Alask. 445. 



N. Europe to Alps and Pyrenees; N. and W. Asia to 

 Himalayas; China and Japan; Kurile isls. 



North America: Greenland, Labrador and Newf. to 

 Man. and Arctic circle; S. to N. J. ; W. to. Iowa, Minn, Colo., 

 N. Calif, and S, in mts. to C. Arizona. Alaska. 



