LIST OF HIGHER SEED PRODUCING PLANTS. 195 



Wats, and Coult., Gray's Man. 6 ed. 463; Britt., Fl. N. J. 216; Webb., 

 Fl. Neb. Ill; 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. Ill, 1, 64. 



In trod, 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. 



HERB. : Taylor 298, Janesville; Sheldon 1230, Iberia, 

 Brown Co. ; Sheldon 1416, Lake Benton; Bollard 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. PI III, 

 343 (1880); Trib. IV, V, VI, Urticaceae; Engler in Engler and Prantl, Nat. 

 Pflanz. 3, 1, 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 (1737). 



Baillon, Hist. PI. VI, 190; Benth. and Hook., Gen. PI. Ill, 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 LOUD. Arb. Ill, 1360 (1838). 

 M. missouriensis AUDIB. Jard. Ton. (1853). 



Wats, and Coult., Gray's Man. 6 ed. 464; Britt., Fl. N. J.217; Mac. y 

 Fl. Can. I, 430; Webb., Fl. Neb. Ill; Chap., Fl. S. St. 415; Upham, Fl. 

 Minn. 124; Cov., Fl. Ark. 219; Engl., Nat. Pflanz. Ill, 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. 



