LIST OF HIGHER SEED-PRODUCING PLANTS. 563 



Baillon, Hist. PI, VIII, 110 (sub Leontodon)', Benth. and Hook., Gen. 

 PL II, 522; Durand, Ind. Gen. Phan. 235. 



Living species: 40 described; 10 reduced; N. hemi- 

 sphere and a few introduced or rarely indigenous in S. hemi- 

 sphere. Russia, 14; Europe, 10; Russian Europe, 9; North 

 America, 1-4; PI. King, 3 descr. 



Taraxacum taraxacum (LiNN.) MACM. Torr. Bull. XIX, 



1891). 



Leontodon taraxacum LINN. Spec. (1753). 

 Taraxacum officinale WEBB. Prim. Fl. Hoist. 56 (1780). 

 T. dens-leonis DESF. Fl. Atl. II, 228 (1800). 



Wats, and Coul*,., Gray's Man. 6 ed. 303; Britt., Fl. N. J. 154; Upham, 

 Fl. Minn. 9]; Chap., Fl. S. St. 252; Coult., Fl. Colo. 222; Mac., Fl. Can. I, 

 279; Brew, and Wats., Fl. Calif. I, 439; Forbes and Hems., Fl. Sin. 478; 

 Led., Fl. Ross. 11,812: Hook., Fl. Gt. Brit. 240; Nym., Fl. Eur.; Mac., 

 Fl. Can. I, 558 in war.; Griseb., Fl. W. I; Herd., Fl. Eur. Russ. 78; Wats., 

 King Exp. 206; Cov.. Fl. Ark. 198; Gray, Syn. Fl. I, 2, 440; Hart., Fl. 

 Scand. I, 58; Coult., Fl. Tex. 248. 



All Europe and N. Asia to China and in temperate 

 stations in S. hemisphere (probably adventive). 



North America: Canada throughout, to Alaska, Baf- 

 fins bay and Greenland; throughout U. S. and in Mex. ; forms 

 E. of Minn, are probably introduced from Europe. 



Minn, valley: Throughout; fields, banks, roadsides 

 and grassy places. 



HERB.: Taylor 82, Elysian; Taylor 184, Janesville; 

 Sandberg 358, Red Wing; Kassube 148, Minneapolis; Hammond 

 23, Lake City; Herb. Sheld. 1791, Minneapolis; Herb. Wicker - 

 sheim 88, Idlewild, Lincoln Co. 



NOTHOCALAIS GREENE, Bull. Acad. Calif. II, 54 (1886). 

 Troximon AUCT. in part. 

 Eutroximon GRAY, (Sect.) Syn. Fl. I, 2, 437 (1886) p. p. 



North America: 4-5; California and Pac. coast region; 

 1 extending eastward. 



Nothocalais cuspidatum (PURSH) GREENE, Bull. Calif. 

 Acad. II, 54 (1886). 



Troximon cuspidatum PUKSH, Fl. Am. 472 (1814). 

 1. marqinatum NUTT. Gen. II, 128 (1818). 



Wats, and Coult., Gray's Man. 6 ed. 302; Mac., Fl.Can. 1, 277; Upham, 

 Fl. Minn. 89; Webb., Fl. Neb. 143; Coult., Fl. Colo. 221; Gray, Syn. Fl. I, 

 2, 437. 



North America: N. W. T. to Dak. and Neb.; E. to 



Saskatchewan, Minn., Wise, and 111. 



Minn, valley: Throughout; especially in prairie dis- 

 trict; plains and hills or sunny banks. 



