429 METASPERMAE OF THE MINNESOTA VALLEY. 
King Exp. 282; Roth., Wheel. Exp. 186; Cov., Fi. Ark. 203; Gray, Syn. Fl. 
IT, 1, 83; Coult., Fl. Tex. 262. 
North America: Same range as 4. androsaemifolium; 
extends also into S. Calif. and E. to Fla. 
Minn. valley: Throughout; rich woods, thickets, river 
banks and shores; edges of marshes. 
Hers.: Taylor 337, Janesville; Ballard 93, Shakopee; 
Taylor 583, Minnesota Lake; Taylor 1025, Glenwood; Sheldon 
1582, Lake Benton; Ballard 507, Prior's lake, Scott Co.; Taylor 
752, Glenwood; Sheldon 975, Sleepy Eye; Sheldon 388, Madison 
Lake; Sheldon 332, Smith’s Mills, Blue Earth Co.; Herrick 249, 
Minneapolis; Kassube 203, Minneapolis; Bailey 214, Vermilion 
lake; Sandberg 467, Cannon Falls; Oestlund 150, Hennepin Co.; 
Herrick 250, Minnetonka; Herb. Moyer 201, Chippewa river, 
near Montevideo. 
Apocynum androsaemifolium Linn. Spec. 213 (1753). 
(1844) A. androsaem*folium and var. incanum A. DC. Prodr. VIII, 412 
Wats. and Coult., Gray’s Man. 6 ed. 338; Britt., Fl. N. J. 168; Upham, 
Fl. Minn. 113; Webb., Fl. Neb. 140; Mac., Fl. Can. I, 317, 565; Coult., Fl. 
Colo. 237; Chap., Fl. S. St. 359; Brew. and Wats., Fl. Calif. I, 473; Roth., 
Wheel. Exp. 186; Wats., King Exp. 282; Cov., Fl. Ark. 203; Gray, Syn. Fl. 
II, 1, 82; Coult., Fl. Tex. 263. 
North America: Anticosti and Atl. coast to Pac. and 
Brit. Col.; S. to N. Eng., N. J. and N. Car.; W. to Sierras and 
N. Mexico. 
Minn. valley: Throughout; rich woods and thickets; 
banks and shores. 
HeERsB.: Ballard 738, Waconia; Taylor 989, Glenwood; 
Sheldon 425, Madison Lake; Ballard 852, Patterson lake, Car- 
ver Co.; Ballard 91, Chaska; Taylor 328, Janesville; Herrick 
248, St. Louis river; Oestlund 149, Ramsey Co.; Kassube 202, 
Minneapolis; Batley 183, Vermilion lake; Bailey 131, Vermilion 
lake; Sandberg 466, Goodhue Co.; Herb. Sheld. 1692, Minneap- 
olis; 1731, Ramsey Co.; Herb. Moyer 200, Montevideo. 
LXXXVIII. ASCLEPIADACEAE. Milkweed 
Family. 
Endlicher, Gen. Pl. 588 (1836-40); Bentham aud Hooker, Gen. Plant II, 
728 (1876); Baillon, Hist, Pl. X, 221 (1891). 
Genera: 190 (Baillon); 146 (B. and H.); tropical 
regions; a few in temperate zones, especially in N. hemisphere 
and 8. Africa; in the latter region the development is especially 
abundant. 
Species: 1500+; 1-2 fossil in recent rocks. 
