LIST OF HIGHER SEED-PRODUCING PLANTS. 563 
Baillon, Hist. Pl. 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; Pl. King, 3 descr. 
Taraxacum taraxacum (LINN.) MacM. Torr. Bull. XIX, 
1891). 
Leontodon taraxacum LINN. Spec. (1753). 
Taraxacum officinale WEBB. Prim. Fl. Holst. 56 (1780). 
T. dens-leonis DesF., Fl. Atl. II, 228 (1800). 
Wats. and Coult., Gray’s Man. 6 ed. 303; Britt., Fl. N. J. 154; Upham, 
Fl. Minn. 91; Chap., Fl. 8. St. 252; Coult., Fl. Colo. 222; Mac., Fl. Can. I, 
279; Brew. and Wats., Fl. Calif. I, 489; Forbes and Hems., Fl. Sin. 478; 
Led., Fl. Ross. II, 812; Hook., Fl. Gt. Brit. 240; Nym., Fl. Eur.; Mac., 
Fl. Can. I, 558 in var.; 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. 
HeERB.: Taylor 82, Elysian; Taylor 184, Janesville; 
Sandberg 358, Red Wing; Kassube 148, Minneapolis; Hammond 
28, Lake City; Herb. Sheld. 1791, Minneapolis; Herb. Wicker- 
sheim 88, Idlewild, Lincoln Co. 
NOTHOCALAIS Greene, Bull. Acad. Calif. IT, 54 (1886). 
Troximon AUOT. in part. 
Eutroximon Gray, (Sect.) Syn. Fl. I, 2, 487 (1886) p. p. 
North America: 4-5; California and Pac. coast region; 
1 extending eastward. - 
Nothocalais cuspidatum (PURSH) GREENE, Bull. Calif. 
Acad. IT, 54 (1886). 
Troximon cuspidatum PursH, Fl. Am. 472 (1814). 
T. marginatum Nutr. Gen. II, 128 (1818). 
Wats. and Coult., Gray’s Man. 6 ed. 302; Mac., Fl. Can. I, 277; Upham, 
Fl. Minn. 89; Webb., Fl. Neb. 143; Coult., Fl. Colo. 221; Gray, Syn. FI. I, 
ss North America: N. W. T. to Dak. and Neb.; E. to 
Saskatchewan, Minn., Wisc. and Ill. 
Minn. valley: Throughout; especially in prairie dis- 
trict; plains and hills or sunny banks. 
