428 METASPERMAE OF THE MINNESOTA VALLEY. 



Y0LYULUS MED. Phil. Bot. II, 42 (1791). 



Calystegia R. BR. Prodr. 483 (1810). 



Baillon, Hist. PL X, 324; Benth. and Hook., Gen. PI. II, 874; Durand, 

 Ind. Gen. Phan. 286; O. Kuntze, Rev. Gen. II, 447; Schenck, Palaeophyt. 

 776; Engler and Prantl, Nat. Pflanz. IV, 3 a, 36 (Peter). 



Living species: 7; temperate and subtropical regions. 

 N. America, 3-4; W. coast, 1; Atl. regions, 2; W. Tex., 1. 



Fossil species: Convolvulus, Tertiary, Frankfort (Lud- 

 wig). 



YolYulus spithameus (LiNN.) OK. Rev. Gen. II, 447 (1891).' 

 Convolvulus spithameus LINN. Spec. 158 (1753). 

 Calystegia spithameus PURSH, Fl. Am. I, 434 (1814). 

 C. tomentosa PURSH, Fl. Am. 434 (1814). 



Wats, and Coult., Gray's Man. 6 ed. 369; Britfc., Fl. N. J. 180; Uphani, 

 Fl. Minn. 110; Mac., Fl. Can. I, 345; Chap., Fl. S. St. 345; Gray, Syn. Fl. 

 II, 1, 215; Engl. Pet., Nat. Pflanz. IV, 3 a, 36. 



North America: N. S., Q., Ont., Man. and Saskatch- 

 ewan; S. to Minn, and Fla. 



Minn, valley: N. E. district; rare; dry roadsides and 

 embankments. 



HERB.: Kassube 194, Minneapolis; Holzinger 178, Wi- 

 nona Co.; Herrick 244, St. Louis river; Holzinger 179, Winona 

 Co. 



Volvulus sepium (LINN.) JUNGER, Oestr, Bot. Zeit. 133 

 (1891). 



Convolvulus sepium LINN. Spec. 218 (1753). 

 Calystegia sepium K. BR. Prodr. 483 (1810). 



Wats, and Coult., Gray's Man. 6 ed. 369; Britt., Fl. N J. 179; Webb., 

 Fl. Neb. 134; Upham, Fl. Minn. 110; Mac., Fl. Can. I, 345, 569; Chap., Fl. 

 S. St. 344; Coult., Fl. Colo. 265; Brew, and Wats., Fl. Calif. I, 533; Forbes 

 and Hems., Fl. Sin. II, 164; Hook., Fl. Gt. Brit. 284; Led., Fl. Boss. Ill, 

 94; Nym., Fl. Eur.; Roth., Wheel. Exp. 205 in var.\ Gray, Syn. Fl. II, 1, 

 215; Suppl. Syn. II, 435 in yar.; Hart., Fl. Scand. I, 74; Engl. Pet., Nat. 

 Pflanz. IV, 3 a, 36; Coult., Fl. Tex. 292 in^var. 



N. Africa; most Europe; Asia to China and Dahuria; 

 Australia and New Zealand. 



North America: Throughout Can. to N. W. T.; S. to 

 N. J. and Del.; W. to Utah, Minn., Neb. and Colo. 



Minn, valley: Throughout; river banks and thickets, 

 climbing over shrubbery. 



HERB. : Taylor 22, Elysian; Bollard 501, Prior's lake, 

 Scott Co.; Sheldon 1553, Lake Benton; Bollard 344, Helena, 

 Scott Co.; Sheldon 25, Elysian; Sheldon 376, Madison Lake; 

 Bollard 133, Chaska; Bollard 751, Waconia; Herrick 242, St. 

 Louis river; Herrick 243, Minneapolis; Kassube 193, Minneap- 



