JLIST OF HIGHER SEED-PRODUCING PLANTS. 305 



Wats, and Coult., Gray's Man. 6 ed. 163; Webb., Fl. Neb. 127; Coult., 

 Fl. Colo. 87; Mac., Fl. Can. I, 520; Coult., Fl. Tex. 106; Roth , Wheel. Exp. 

 115; Cov., Fl. Ark. 179; Wats., Bibl. Ind. I, 310; Upham. Suppl. Minn. 47. 



North America: Man., N. W. T. and Rockies of Brit. 

 Col. to Minn. , Neb. , Mo. , Ark. and Tex. , W. to Arizona, Colo, 

 and Mont. 



Minn, valley: Forest district and probably sparingly 

 westward; dry sunny hillsides and banks. 



HERB.: Bollard 407, New Prague; Bollard 567, Pri- 

 or's lake, Scott Co. ; Bollard 92, Shakopee; Eyan 1, Goodhue 

 Co.; Roberts 35, Duluth; Leonard 17, Spring Valley. 



PRITNTJS Juss. Gen. 341 (1774) em. 

 Armeniaca Juss. Gen. 341 (1774). 

 Prunophora NECK. Elem. II, 71 (1790;. 

 Amygdalopsis CARRIERS, Rev. Hortic. 91 (1862). 

 Prunopsis ANDRE, ex Durand Ind. Phan. Ill (1888). 

 Baillon, Hist. PI. 1. 417, 418; Benth. and Hook., Gen. PL I, 609, 610; 

 Durand, Ind. Gen. Phan. \. c.; Schenck, Palaeophyt. 674; Engierand Prantl, 

 Nat. Pflanz. 3, III, 51, seq. (Focke). 



Living species: 20 ; temperate regions, N. hemi- 

 sphere; North America. 8-10; Calif., 2; Canada, 3; S. Sts., 6-7; 

 E. Sts., 2; Rocky mts., 4-5; PL King, 2; Russia, 4-5; Europe, 6. 

 Fossil species: 10-12; Tertiary; Siberia (Heer)\ Spitz - 

 bergen (Unger)\ Germany (Weber)-, Greenland (Heer); Russia 

 (Heer, Ettinghausen). 



Primus americana MARSH. Arbust. Am. Ill (1785). 

 ? P. Mississippi MARSH. Arbust. Am. 112 (1785). 

 ?P. spinosa WALT. Fl.Car. 146(1788). 

 P. hiemalis MICHX. Fl. N. Amer. I, 284 (1803) in part. 

 P. nigra MUHL. Cat. 49 (1817). 

 Cerasus hiemalis DC. Prodr. II, 538 (1825) in part. 

 C. nigra HOOK. Comp. Bot. Mag. I, 24 (1835). 

 C. americana HOOK. Comp. Bot. Mag. I, 24 (1835). 

 Wats, and Coult., Gray's Man. 6 ed. 151; Britt., Fl. N. J. 91; Upham,. 

 Fl. Minn. 48; Webb., Fl. Neb. 128; Chap., Fl. S. St. 119; Coult., Fl. Colo. 

 76; Mac., Fl. Can. I, 124; Coult., Fl. Tex. 102; Cov., Fl. Ark. 178; Engl. 

 Focke, Nat. Pflanz. 3, III, 53; Wats., Bibl. Ind. I, 303; Sarg., N. Am. 

 Silva IV, 19. 



North America: N. Y. and N. J. to Fla.; W. to Mont., 

 Colo. , N. Mex. and Mexico. 



Minn, valley: Throughout; thickets and along banks 

 of streams and by prairie sloughs. 



HERB.: Kassube 60, Minneapolis; Sandberg 149, Red 

 Wing; Herb Wickersheim 34, Idlewild, Lincoln Co.; Herb. 

 Moyer 67, Montevideo. 



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