LIST OF HIGHER SEED-PRODUCING PLANTS. 805 
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; Coy., 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; Ryan 1, Goodhue 
Co.; Roberts 35, Duluth; Leonard 17, Spring Valley. 
PRUNUS Juss. Gen. 341 (1774) em. 
Armeniaca Juss. Gen. 341 (1774). 
Prunophora Neck. Elem. II, 71 (1790:. 
Amygdalopsis CARRIERE, Rev. Hortic. 91 (1862). 
Prunopsis ANDRE, ex Durand Ind. Phan. 111 (1888). 
Baillon, Hist. Pl, I, 417, 418; Benth. and Hook., Gen. Pl. I, 609, 610; 
Durand, Ind. Gen. Phan. 1. c.; Schenck, Palaeophyt. 674; Engier and Prantl, 
Nat. Pflanz. 3, ITI, 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). 
Prunus americana MarsH. Arbust. Am. 111 (1785). 
?P. mississippi MARsH. Arbust. Am. 112 (1785). 
2? P. spinosa WALT. Fl. Car. 146 (1788). 
P. hiemalis Micuox. Fl. N. Amer. I, 284 (1803) in part. 
P. nigra Muu. Cat. 49 (1817). 
Cerasus hiemalis DC. Prodr. II, 538 (1825) in part. 
C. nigra Hook. Comp. Bot. Mag. IJ, 24 (1835). 
C. americana Hoox. 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 60, Minneapolis; Sandberg 149, Red 
Wing; Herb. Wickersheim 34, Idlewild, Lincoln Co.; Herb. 
Moyer 67, Montevideo. 
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