150 METASPERMAE OF THE MINNESOTA VALLEY. 
Lilium philadelphicum Linn. Spec. ed. 2, 485 (1762). 
L. umbellatum PursH, Fl. Am. 229 (1814). 
Wats. and Coult., Gray’s Man. 6 ed. 529; Britt., Fl. N. J. 242; Upham, 
Fl. Minn. 146; Mac., Fl. Can. II, 38; Chap., FI. 8. St. 484; Coult., Fl. Colo. 
351; Engl., Nat. Pflanz. IT, 5, 61; Roth., Wheel. Exp. 269; Cov., Fl. Ark, 
= North America: Ont. to L. Huron, Saskatchewan, 
prairie region and Rockies and Columbia valley, Brit. Col.; 
S. to Colo. in Rocky mts.; E. to Minn., Ark, N. Eng., N. J. 
and N. Car. 
Minn. valley: Throughout; common; fields, prairies; 
forest openings and hillsides; principally forest district. 
Hers.: Taylor 554, Minnesota lake; Sheldon 640, Wa- 
seca; Sheldon 697, Waseca; Ballard 268, Jordan, Scott Co.; Bal- 
lard 460, Prior’s lake, Scott Co.; Sandberg 585, Chisago Co.; 
Kassube 247, Minneapolis; Roverts 184, Split Rock; Leonard 47, 
Spring Valley; Bailey 386, Mud lake; Sandberg 586, Cannon 
Falls; Herb. Sheld. 1695, Minneapolis; Herb. Wickersheim 127, 
Idlewild, Lincoln Co.; Herb. Moyer 241, Minnesota valley. 
ERYTHRONIUM Linn. Gen. 262 (1787). 
Benth. and Hook, Gen. Pl. III. 819; Durand, Ind Gen. Phan. 480; 
Engler and Prantl, Nat. Pflanz. 2, V, 63 (Engler). 
Living species: 7; 1, Europe, Russian Asia and Japan; 
6, N. America; Canada, 4-5; S. Sts., 2; California, 3-4 (1 en- 
dem. ); Rocky mts., 1. 
Erythronium albidum Nutt. Gen. I, 223 (1818). 
Wats. and Coult.. Gray’s Man. 6 ed. 528; Britt., Fl. N. J. 243; Mac., Fl. 
Can. II, 41; Upham, Fl. Minn. 146; Webb., Fl. Neb. 107; Cov. Fl. Ark. 225. 
North America: Ont. to N. Y., N. J.; W. to Minn., 
Neb. and Kan. 
Minn. valley: Throughout; infrequent; low woods, 
shaded banks and hillsides. 
HERB.: Sandberg 588, Vasa; Manning 9, Lake City; 
Holzinger 290, Winona Co.; Herb. Wickersheim 128, Lake Ben- 
ton; 129,Mankato. 
Erythronium americanum Sm. 
E. dens-canis var. g. LINN. Spec. ed. 2, 437 (1762). 
#. lanceolatum Pursp, FI]. Am. I, 230 (1814). 
Wats. and Coult., Gray’s Man. 6 ed. 528; Britt.,Fl. N. J. 242; Mac.,Fl. 
Can. II, 41; Upham, Fl. Minn. 146; Chap.,Fl. 8. St. 484; Engl., Nat. Pflanz. 
II, 5, 63; Cov., Fl. Ark. 225. 
North America: N. S., Q., Ont. to Owen Sound and 
Georgian Bay; 8. to N. Eng., N. J. and Fla.; W. to Minn., Mo. 
and Ark. 
