LIST OF HIGHER SEED-PROVUCING PLANTS. 249 
Prantl, Nat. Pflanz. 3, II, 66; Durand, Ind. Gen. Phan. 1; O. Kuntze, Rev. 
Gen, Pl. I, 4; Gray, Zul. Gen. I, 23. 
Living species: 76+; 50 (B. and H.); 70 (Durand); 
Europe; Asia; Africa; N. and S. America; extra-tropical. 
Russia, 28; Europe, 26; European Russia, 12; North America, 
14-16; Canada, 9; S. Sts., 6; E. Sts., 4; W. Tex.; 8; Rocky 
mts., 5; Calif., 4; Pl. Wheel., 2; Pl. King, 4. 
Thalictrum purpurascens Linn. Spec. 546 (1753). 
T. rugosum Ait. Hort. Kew. 2, 262? (1811). 
T. pubescens PursH, Fl. Am. I, 388 (1814). 
T. revolutum DC. Syst. I, 173 (1818). 
T. cornuti T. and G. FI. I, 38 (1838). 
Wats. and Coult., Gray’s Man. 6 ed. 39; Britt., Fl. N. J. 35; Webb., FI. 
Neb. 117; Upham, Fl. Minn. 18; Maé., Fl. Can. I, 14, 479; II, 298: Cov., 
Fl. Ark. 162; Coult., Fl. Tex. 7; Wats., Bibl. Ind. I, 26. 
North America: N. S., Anticosti, Q.. Ont. to N. Eng., 
N. J., Md.; W. to Minn., Dak., Neb., Mo. and Ark., W. Tex. 
Minn. valley: Throughout in forest region and on 
wooded banks, with JT. dioicum; rather more abundant, espec- 
ially westward. This species has been mistaken for T. poly- 
gamum. 
HERB.: Sheldon 1299, Lake Benton; Ballard 378, 
Helena, Scott Co.; Ballard 162, Chaska; Taylor 331, Janes- 
ville; Sheldon 767, Sleepy Eye; Taylor 571, Minnesota lake; 
Taylor 843, Glenwood; Taylor 1721, Janesville; Sheldon 968, 
Sleepy Eye; Herrick 6, Minneapolis; Sandberg 18, Cannon Falls; 
Gedge 1, Glyndon; Herrick 7, Minneapolis; Bailey 460, Agate 
Bay; Arthur 68, Vermilion lake; Bailey 448, Mud river; Herb 
Sheld. 1735, Minneapolis; Herb. Moyer 7, Montevideo. 
Thalictrum dioicum Linn. Spec. 545 (1753). 
T. laevigatum Micux. F). N. Am. I, 322 (1803). 
Wats. and Coult., Gray’s Man. 6 ed. 39; Britt., Fl. N. J. 35; Chap., 
Fl. S. St. 5; Upham, Fl. Minn. 18; Mac., Fl. Can. I, 14, 479; Engl. Prantl, 
Nat. Pflanz. III, 2, 66; Wats., Bibl. Ind. I, 25. 
North America: N. Br., Anticosti and N. S. to Pac.; 
N. to lat. 67°; S. to Minn., Ohio, and in Appallachians to N. 
Car. 
Minn. valley: Forest region, in dry localities, 
throughout; wooded banks and openings. 
HERB.: Sheldon 237, Turtle lake, Le Sueur Co.; Shel- 
don 50, Elysian; Taylor 33, Elysian; Oestlund 3, Ramsey Co.; 
Sandberg 15, Red Wing; Sandberg 16, Vasa; Sandberg 17, Can- 
non Falls; Herb. Sheld. 1824, Hennepin Co.; Herb. Moyer 6, 
Montevideo. 
