LIST OF HIGHER SEED-PRODUCING PLANTS. 249 



Prantl, Nat. Pflanz. 3, II, 66; Durand, Ind. Gen. Phan. 1; O. Kuntze, Rev. 

 Gen. PL I, 4; Gray, 111 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.; 3; 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. Fl. I, 38 (1838). 



' Wats, and Coult., Gray's Man. 6 ed. 39; Britt., Fl. N. J. 35; Webb., Fl. 

 Neb. 117; Upham, Fl. Minn. 18; Mac., 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 T. dioicum; rather more abundant, espec- 

 ially westward. This species has been mistaken for T. poly- 

 gamum. 



HERB.: Sheldon 1299, Lake Benton; Bollard 373, 

 Helena, Scott Co.; Bollard 162, Chaska; Taylor 331, Janes- 

 ville; Sheldon 767, Sleepy Eye; Taylor 571, Minnesota lake; 

 Taylor 843, Glenwood; Taylor 1721, Janes ville; 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. laemgatum MICHX. Fl. 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. HI, 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 Appalachians 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. 



