LIST 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.: Ballard 407, New Prague; Ballard 567, Pri- 

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

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



PRITNUS Juss. Gen. 341 (1774) em. 

 Arineniaca Juss. Gen. 341 (1774). 

 Prunopliora Neck. Elem. II, 71 (1790). 

 Aniygrtalopsis Carrieke, Rev. Hortic. 91 (1862). 

 Pruiiopsis 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. 1. c; Schenck, Palaeophyt. 674; Englerand Prantl, 

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



Living sxDecies : 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 ( We&e?-); Greenland (Heer); Russia 

 ( Heer, Ettinghausen ) . 



Pruiius americana Marsh. Arbust. Am. Ill (1785). 

 ?P. mississippi Marsh. Arbust. Am. 112 (1785). 

 ?P. ^pinosa 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. 1, 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 (>0, Minnesbpolis; Sandberg 149, Red 

 Wing; Herb. Wickersheim 'SJf, Idle wild, Lincoln Co.; Herb 

 Moyer 67, Montevideo. 



-20 



