418 METASPERMAE OF THE MINNESOTA VALLEY. 



North America: Greenland and Labrador to Mackenzie 

 and Alaska; S. to N. S., N. Br., N. Y., N. J. and Penn.; W. to 

 Minn., Dak., Iowa and Neb.; S. in mts. to San Francisco and 



Nevada. 



Minn, valley: Forest district and probably to Chippe- 

 wa river valley; tamarack swamps and wet woods. 



HERB. : Bollard 357, Helena, Scott Co. ; Bollard 659, 

 Waconia; Taylor 210, Janesville; Sheldon 122, Madison Lake; 

 Taylor 177, Janesville; Bailey 282, St. Louis river; Kassube 

 201, Minneapolis; Sandberg 464, Chisago lake; Sandberg 465, 

 Red Wing; Herb. Sheld. 1776, Ramsey Co. 



NYMPHODES LUDW. Defin. 23 (1737). 



Limnantbemum GMEL Nov. Act. Petrop. XIV, 527 (1769). 

 Waldschmidtia WIGG. Prim. Hoist. 19 (1780). 

 Villarsia GMEL. Act. Petrop. XV (1791) not Vent. 

 Schweyckerta C. C. GMEL. Fl. Bad. I, 447 (1805). 

 Baillon, Hist. PI X, 144; Benth. and Hook., Gen. PI. II, 819; Durand, 

 Ind. Gen. Phan. 278; O. Kuntze, Rev. Gen. II, 429. 



Living species: 26 described; 12 reduced; temperate 

 and tropical regions. N. America, 2; S. Sts., 2; 1 other regions 

 except W. of Rocky mts. W. Tex., I. 



Nymphodes lacunosum (VENT.) OK. Rev. Gen. II, 429 

 (1891). 



Villarsia lacunosa (VENT.) Choix. 9 (1803). 

 ? Limnanthemum lacunosum MICHX. Fl. N. Am. I (1803) 



Villarsia cordata ELL. Sk. I, 230 (1821). % 



Wats, and Coult , Gray's Man. 6 ed. 353; Britt., Fl. N. J. 174; Upham, 

 Fl. Minn. 113; Mac., Fl. Can. I, 327; Chap., Fl. S. St. 358; Cov., Fl. Ark. 

 204; Gray, Syn.Fl. II, 1, 128. 



North America: N. S., N. Br., Ont. to Minn. ; S. to N. 

 Eng., N. J., Fla.; W. to Ark., La. and Miss. 



Minn, valley: Reported from N. edge; rare; floating 

 in quiet streams or lakes. 



GENTIANA LINN. Gen. 197 (1737). 



Pneumonanthe and Hippion SCHMIDT, Boem. Arch. I, 8 

 (1796). 



Ci m ina I is ADANS. FAM. II, 504 (1763). 



Asterias, Coelantha, Dasystephana, Ericoila, Eurythalia 

 and Gentianella BORKH. Roem. Arch. I, 23 (1796). 



Ericala DON, Trans. Linn. Soc. XVII, 511 (1837). 



Glyphospermum, Solatium, TJIostomaand Eudoxia G. DON, 

 Gen. Syst. IV, 195, 196 (1538). 



Varasia PHILLIPPI, Fl. Atacam. 35, t. 5 (1860). 

 Baillon, Hist. PI. X, 140; Benth. and HOOK:., Gen. PL II, 815; Durand, 

 Ind. Gen. Phan. 278. 



