380 METASPERMAE OF THE MINNESOTA VALLEY. 



Fossil species: Trapa natans is found in Tertiary of 

 Alaska, Colo., Portugal, Japan and Saghalin, and in Quater- 

 nary at Cromer. 



Circaea alpina LINN. Spec. 9 (1753). 



"Wats, and Coult., Gray's Man. 6 ed. 193; Britt., Fl. N. J. Ill; Mac., 

 Fl. Can. I, 174; Hook., Fl. Gt. Brit. 159; Upham, Fl. Minn. 57; Chap., Fl. 

 S. St. 143; Forbes and Hems., Fl. Sin. 310; Led., Fl. Ross. II, 114; Nym., 

 Fl. Eur.; Miyabe, Fl. Kur. 235; Herd., Fl. Eur. Euss. 50; Wats., King 

 Exp. 113; Wats., Bibl. Ind. I, 363; Hart., Fl. Scand. I, 266. 



Europe; N. and W. Asia to Himalayas, India, China 

 and Kurile Isls. ; N. Africa. 



North America: Labrador to N. Eng. , N. J. and Ga. ; 

 W. to Ind. and Minn. ; N. to Man. , N. W. T. and Alaska. 



Minn, valley: Forest district to Blue Earth Co.; deep 

 woods and near springs or bogs. 



HERB.: Sheldon 269, Madison Lake; Boberts 39, Dul 

 uth; Herrick 111, Minneapolis; Holway 28, Vermilion lake; 

 Sandberg 204, Chisago Co. ; Bailey 207, Vermilion lake. 



Circaea lutetiana LINN. Spec. 8 (1753). 



C. lutetiana var. canadensis LINN. Spec. 8 (1753). 

 C. canadensis HILL. Veg. Syst. 10 (1762). 



Wats, and Coult., Gray's Man. 6 ed. 193; Britt., Fl. N. J. Ill; Webb., 

 Fl. Neb. 125; Mac;, Fl. Can. I, 175; Chap., Fl. S. St. 143; Hook., Fl. Gt. 

 Brit. 159; Upham, Fl. Minn. 57; Forbes and Hems., Fl. Sin. 310; Led., Fl. 

 Boss. II, 113; Nym., Fl. Eur.; Herd., Fl. Eur. Kuss. 50; Cov., Fl. Ark. 184; 

 Wats., Bibl. Ind. I, 363; Hart., Fl. Scand. I, 265. 



Europe; N. Africa; N. and W. Asia to Caucasus, Ural 

 and Altai Siberia and Himalayas to China. 



North America: N. S., N. Br., Q., Ont. to N. Eng., N. 

 J. and Ga. ; W. to Minn., Neb., Wyoming and Ark. 



Minn, valley: Throughout, especially in forest dis- 

 trict; damp woods and along streams or near lake shores. 



HERB.: Sheldon 1038, Sleepy Eye; Sheldon 805, Sigel 

 township, Brown Co.; Sheldon 940, Redwood Falls; Taylor 886, 

 Glenwood; Bollard 493, Prior's lake, Scott Co. ; Bollard 537, 

 Cleary's lake, Scott Co.; Bollard 672, Waconia; Bollard 857, 

 Page lake, Carver Co. ; Sandberg 203, White Rock; Oestlund 58, 

 Minneapolis; Holzinger 79, Winona Co.; Oestlund 60, Minne- 

 apolis; Herrick 110, Minneapolis; Winchell 5, Minne tonka. 



(ENOTHEBA LINN. Gen. 318 (1737). 



Onagra, Baumaunia, Xylopleurum, Kiieiffia, Lavauxia, 

 Pachylophus, Megapterium, Calylophus, Godetia, Boisduvalia, 

 Agassizia, Hartmannia SPACH, Suit. Buff. IV, 357 seq. (1839). 



Meriolix RAF. Am. Mo. Mag. (1819). 



