LIST OF HIGHER SEED-PRODUCING PLANTS. 347 



Rhus copallina LINN. Spec. 266 (1753). 



Wats, and Coult., Gray's Man. 6 ed. 119; Britt., Fl. N. J. 79; Chap., 

 Fl. S. St. 69; Webb., Fl. Neb. 121; Upham, Fl. Minn. 37; Mac., Fl. Can. I, 

 100; Coult., Fl. Tex. 67; Cov., Fl. Ark. 173; Wats., Bibl. Ind. 182; Sarg.,N. 

 A.Silvalll, 19. 



North America: Thousand Islands, Can. to N. Eng.,N. 

 J. and Fla. ; W. to Minn., Neb., Ark. and Rio Grande river; Cuba. 



Minn, valley: Forest district, Ft. Snelling to Blue 

 Earth Co. ; rare; hillsides and dry banks. 



HERB. : ? Sandberg 112, Cannon Falls. 



Rhus glabra LINN. Spec. 265 (1753). 

 E. carolinense MARSH. Arbust. 129 (1785). 

 E. elegans AIT. Hort. Kew. I, 366 (1789). 



Wats, and Coult., Gray's Man. 6 ed. 119; Britt., Fl. N. J. 79; Webb., 

 Fl. Neb. 121; Coult., Fl. Colo. 49; Chap.. Fl. S. St. 69; Upham Fl. Minn. 

 37; Mac., Fl. Can. I, 100, 505; Wats., KingExp. 52, 419; Roth., Wheel. Exp. 

 84.; Cov., Fl. Ark. 173; Wats., Bibl. Ind. I, 182. 



North America: N. S. to Ont., Man. and Saskatche- 

 wan?; S. to N. Eng., N. J.. Fla. and Miss.; W. to Minn., Colo., 

 Neb. and Ark. ; Arizona. 



Minn, valley: Throughout; rocky and dry situations, 

 especially banks and hillsides. 



HERB.: Taylor 524, Janesville; Taylor 820, Glenwood; 

 Bollard 84n, Chaska; Sheldon 1513, Lake Benton; QesUund 24, 

 Minneapolis; Bailey 230, Vermilion lake; Bailey 254, Vermilion 

 lake; Holzinger 44, Winona Co.; Herb. Sheld. 1917, Minneapolis; 

 Herb. Moyer 48, Montevideo. 



Rims typhina LINN. Amoen. IV, 311 (1759). 

 Datisca hirta LINN. Spec. 1037 (1753). 

 Ehus hypselodendron MOENCH, Meth. 73 (1794). 

 E. typMna var. arborescens WILLD. Enum. 323 (1809). 

 E. typhina var. frutescens WILLD. I.e. 

 E. hirta per legem, not Harv. 



Wats, and Coult., Gray's Man. 6 ed. 119; Britt., Fl. N. J. 79; Upham, 

 Fl. Minn. 37; Chap., Fl. S. St. 69; Mac., Fl. Can. I, 100; Nym., Fl. Eur.; 

 Herd., Fl. Eur. Kuss. 36; Cov., Fl. Ark. 73; Wats., Bibl. Ind. I, 184; Sarg., 

 N. A. Silva III, 15. 



Introduced in Europe. 



North America: N. S.?, N. B., Ont., W. of Lake Hu- 

 ron and Minn.; S. to N. Eng., N. J., N. Car., Alab., Miss.; W. 

 to Mo. and Ark, 



Minn, valley: E. portion of valley and N. edge to 

 central region; rocky hillsides and banks. 



HERB.: Taylor 448, Janesville; Taylor 448$, Lake 

 Helena, Waseca Co. ; Sheldon 383, Madison Lake; Bollard 116, 

 Chaska; Holzinger 43, Winona Co. 



