428 METASPERMAE OF THE MINNESOTA VALLEY. 
VOLVULUS Men. Phil. Pot. 11, 42 (1791). 
Calystegia R. Br. Prodr. 483 (1810). 
Baillon, Hist. Pl. X, 324; Benth. and Hook., Gen. Pl. 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, 8-4; W. coast, 1; Atl. regions, 2; W. Tex., 1. 
Fossil species: Convolvulus, Tertiary, Frankfort (Lud- 
wig). 
Volyulus spithameus (Linn.) OK. Rev. Gen. II, 447 (1891). 
Convolvulus spithameus LINN. Spec. 158 (1758). 
Calystegia spithameus PursH, FI]. Am. I, 434 (1814). 
C. tomentosa PursH, FI. Am. 434 (1814). 
Wats. and Coult., Gray’s Man. 6 ed. 369; Britt., Fl. N. J. 180; Upham, 
Fl. Minn. 110; Mac., Fl. Can. I, 345; Chap., Fl. S. St. ae 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 septum R. 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., FJ. Colo, 265; Brew. and Wats., Fl. Calif. I, 533; Forbes 
and Hems., Fl. Sin. II, 164; Hook., Fl. Gt. Brit. 284; Led., Fl. Ross. III, 
94; Nym., Fl. Eur.; Roth., Wheel. Exp. 205 in var.; Gray, Syn. Fl. II, 1, 
215; Suppl. Syn. II, 4385 in var.; 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. 
Hers.: Taylor 22, Elysian; Ballard 501, Prior’s lake, 
Scott Co.; Sheldon 15538, Lake Benton; Ballard 344, Helena, 
Scott Co.; Sheldon 25, Elysian; Sheldon 376, Madison Lake; 
Ballard 133, Chaska; Ballard 751, Waconia; Herrick 242, St. 
Louis river; Herrick 243, Minneapolis; Kassube 193, Minneap- 
