LIST OF HIGHER SEED PRODUCING PLANTS. 195 
Wats. and Coult., Gray’s Man. 6 ed. 463; Britt., Fl. N.J. 216; Webb., 
Fl. Neb. 111; Upham, Fl. Minn. 124; Coult., Fl. Colo. 330; Mac., Fl. Can. I, 
429; Chap., Fl. S.St. 417; Wats., King Exp. 321; Cov., Fl. Ark. 218; Engl., 
Nat. Pflanz. III, 1, 64. 
Introd. in Europe. 
North America: Ont. to L. of Woods; S. to N. J. and 
Ga.; W. to Minn., Dak., Neb., Ark., Colo. 
Minn. valley: Throughout; woodland and along 
streams or around lakes. 
HeErRB.: Taylor 298, Janesville; Sheldon 1230, Iberia, 
Brown Co.; Sheldon 1416, Lake Benton; Ballard 388, Jordan, 
Scott Co.; Sheldon 465, Madison Lake; Sheldon 903, Sleepy 
Eye. 
XXVIII. MORACEAE. Mulberry Family. 
Endlicher, Gen. Pl. 277, 286 (1840); Benth. and Hook., Gen. Pl. III, 
343 (1880);—Trib. IV, V, VI, Urticaceae; Engler in Engler and Prantl, Nat. 
Pflanz. 3, I, 66 (1888). 
Genera: 55 living, 2-3 fossil; temperate and tropical 
regions; largely developed in tropical America. 
Species: 900+; 66 per cent. in the tropical genus 
Ficus; fossil species of Ficus from Greenland to S. hemisphere, 
Cretaceous to Tertiary and Recent; numerous. 
MORUS Linn. Gen. 711 (1787). 
Baillon, Hist. Pl. VI, 190; Benth. and Hook., Gen. Pl. III, 364; Durand, 
Ind. Gen. Phan. 375; Engler and Prantl, Nat. Pflanz. 3, I, 72 (Engler); 
Schenck, Palaeophyt. 476. 
Living species: 10+; temperate N. hemisphere and 
tropical mts. N. America, 5-6; Russian Europe, 1; Russia, 2; 
S. Sts., 2; Canada, and E. Sts., 1; Arizona, 1. 
Fossil species: 1 sp. in Pliocene of Cantal ( Saporta). 
Morus. rubra Linn. Spec. 986 (1753). 
M. canadensis LAm. Enc. Meth. IV, 380 (1797). 
M, scabra WILLD. Enum. 967 (1809). 
M, rubra var. canadensis Loup. Arb. IIT, 1360 (1838). 
WL. missouriensis AuDIB. Jard. Ton. (1853). 
Wats. and Coult., Gray’s Man. 6 ed. 464; Britt., Fl. N. J. 217; Mac., 
Fl. Can. I, 430; Webb., Fl. Neb. 111; Chap., Fl. S. St. 415; Upham, Fl. 
Minn. 124; Cov., Fl. Ark. 219; Engl., Nat. Pflanz. III, 1, 73. 
North America: Around L. Erie in Can.; W. N. Eng. 
and N. J. to Fla.; W. to Minn., Dak., Neb., Kan. and to 
Mexico. 
Minn. valley: Reported from S. E. district; rare or 
local; woods and along streams. 
