346 METASPERMAE OF THE MINNESOTA VALLEY. 
Cotinus and Toxicodendron Tourn. Inst. 610 (1700). 
Lithraea Miers. Trav. Chile, II, 529 (1826). 
Vernix ADANS. Fam. Pl. IT, 342 (1763). 
Pocophorum NEck. Elem. II, 226 (1790). 
Melanococea BLUME, Lug. Bat. I, 236 (1833). 
Baillon, Hist. Pl. V, 321; Benth. and Hook., Gen. Pl. I, 418; Durand, 
Ind. Gen. Phan. 86; Gray, Ill. Gen. II, 157; Sargent, N. Am. Silva IIT, 1, 7; 
Schenck, Palaeophyt. 543. 
Living species: 120+; principally at the Cape of 
Good Hope; also warmer extra-tropical regions, and a few in 
the tropics. Russia, 2; Europe, 4; N. America, 14; Canada, 
7-9; W. Tex., 6; S. Sts., 9; Pl. Wheel., 6; E. Sts., 7; Calif., 4; 
Rocky mts., 3. 
Fossil species: 80-40 spec. Cretaceous, N. Amer. (Les- 
quereaux) and Greenland (Heer); Tertiary Europe (Saporta and 
others); N. America (Lesgx.) and Asia. 
Rhus radicans Linn. Spec. 266 (1753). 
R. toxicodendron var. radicans Torr. FI. U.S. 324 (1824). 
Rf. toxicodendron AucT. AMER. in part. 
Wats. and Coult., Gray’s Man. 6 ed. 119; Britt., Fl. N. J. 79; Chap., Fl. 
S. St. 69; Upham, Fl. Minn. 37; Webb., Fl. Neb. 121; Coult., Fl. Colo. 49; 
Mae., Fl. Can. I, 101; Nym., Fl. Eur.; Miyabe, Fl. Kur. 224; Coult., FI. 
Tex. 68; Roth., Wheel. Exp. 84; Wats., King. Exp. 53; Cov., Fl. Ark. 173; 
Wats., Bibl. Ind. I, 183. 
Saghalin, Japan and Kurile Isls.; intro. from East in 
Germany. 
North America: N.S. toSaskatchewan; S. to N. Eng., 
N. J. and Fla.; W. to Dak., Colo., Ark. and Tex. 
Minn. valley: Throughout; shores of lakes, low 
ground and edges of woods; abundant. 
Hers.: Taylor 131, Janesville; Taylor 179 Janesville; 
Ballard 190, Jordan, Scott Co.; Taylor 546, Janesville; Sheldon 
169, Madison Lake; Ballard 337, Jordan, Scott Co.; Taylor 624, 
Minnesota lake; Sheldon 1468, Pipestone City; Sheldon 884, 
Sleepy Eye; Sheldon 55, Elysian; Ballard 688, Waconia; Kas- 
sube 47, Minneapolis; Holzinger 45, Winona Co. 
Rhus vernix Linn. Spec. 265 (1753). 
Toxicodendron pinnatum Mini. Dict. ed. 8 (1768). 
Rhus venenata DC. Prodr. II, 68 (1825). 
Wats. and Coult., Gray’s Man. 6 ed. 119; Chap., Fl. S. St. 69; Upham, 
Fl. Minn. 37; Britt., Fl. N.J. 79; Mac., Fl. Can. I, 100, 505; Wats., Bibl. 
Ind. I, 184; Sarg., N. A. Silv. III, 23. 
North America, W. Ont. and N. N. Eng. to N. J., N. 
Car., N. Ga. and Alab.; W. to Minn., Ark. and W. La. 
Minn. valley: F't. Snelling and only far N. E.; swamps 
and springsides; rare. 
