LIST OF HIGHER SEED-PRODUCING PLANTS. 427 
rick 254, Minneapolis; Oestlund 151, Hennepin Co.; Herb. Moyer 
206, Chippewa Co. 
Asclepias purpurascens Linn. Spec. 214 (1753). 
A. amoena LINN. Spec. 217 (1753). 
Wats. and Coult., Gray’s Man. 6 ed. 340; Gray, Syn. Fl. II, 1, 90; Chap., 
Fl. 8. St. 362; Mac., Fl. Can. 1, 320; Upham, Fl. Minn. 114; Britt., Fl. N. 
J. 169; Webb., Fl. Neb. 141; Cov., Fl. Ark. 203. 
North America: N. Eng., N. J. and N. Car. to W. 
Ont., Wisc. and Minn.; 8S. to Tenn. and Neb. 
Minn. valley: Forest district to Cottonwood valley; 
edges of woods. 
' Hees.: Sheldon 849, Sleepy Eye; Manning 7, Lake 
City. 
Asclepias tuberosa Linn. Spec. 316 (1753). 
Wats. and Coult., Gray’s Man. 6 ed. 340; Britt., Fl. N. J. 170; Webb., 
Fl. Neb. 141; Upham, Fl. Minn. 115; Mac., Fl. Can. I, 318; Coult., Fl. Colo. 
239; Chap., Fl. S. St. 365; Roth., Wheel. Exp. 188; Cov , Fl. Ark. 203; Gray, 
Syn. Fl. II, 1, 89; Coult., Fl. Tex. 2¢5, 
North America: Ont. and L. Huron region to Minn., 
Dak. and Colo.; S. to N. Eng., N. J. and Fla.; W. to Arizona 
and Texas. 
Minn. valley: Throughout; common; high knolls, 
prairies and railway embankments. 
HerRB.: Taylor 553, Minnesota lake; Taylor 380, Janes- 
ville; Ballard 575, Prior’s lake, Scott Co.; Ballard 342, Jordan, 
Scott Co.; Sheldon 775, Sleepy Eye; Sheldon 635, Waseca; Lev- 
berg 54, ‘‘Minnesota”’; Holzinger 189, Winona Co.; Herrick 255, 
Minneapolis; Sandberg 473, Cannon Falls; Herb. Sheld. 1754, 
Minneapolis; Herb. Moyer 207, Montevideo. 
LXXXIX. CONVOLVULACEAE. Morning- 
Glory Family. 
Endlicher, Gen. Pl. 651 (1836-40); Lindl., Vey. King. 633 (1846)— 
Cuscutaceae; Bentham and Hooker, Gen. Plant. IL, 865 (1876)—excl. Nolan- 
aceae; Baillon, Hist. Pl. X, 805 (1891); Peter in Engler and Prantl, Nat. 
Pflanz. 1V, 3a, 1 (1891). 
' Genera: 25-26; temperate and tropical regions; most 
abundant within the tropics; shrubby climbers, principally 
tropical America; herbaceous forms widely distributed; center 
in W. Indies. 
Species: 950-1000; 3800 in Ipomea; 160 in Cuscuta; 
fossil, 10-12, from Tertiary of Europe and U. S. 
