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. : Ballard 357, Helena, Scott Co. ; Ballard 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 "VVing; Herb. Sheld. 1776, Ramsey Co. 



NYMPHODES Ludw. Defin. 23 (1737). 



Liinnanthemum Gmel. Nov. Act. Petrop. XIV, 527 (1769). 

 Walrtschniidtia Wigg. Prim. Hoist. 19 (1780). 

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

 Schweyckerta C. C. Gmel. F1. Bad. I, 447 (1805). 

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

 Ind. Gen. Phan. 278; O. Kuntze, Bev. 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. 



N.vniphodes lacunosum (Vent. ) OK. Rev. Gen. H, 429 

 (1891). 



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

 ? Lininanthemum lacunosum Micnx. 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). 



Piieumoiiautlie and Hippiou Schmidt, Room. Arch. I, 8 

 (1796). 



Ciininalis Adans. Fam. II, 504 (1763). 



Asterias, Coelautlia, Dasystephana, Ericoila, Eurythalia 

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



Ericala Don, Trans. Linn. Soc. XVII. 511 (18.37). 



Glyplio.spcrinuni, Selatiuui, Ulostoiiiaand Eudoxia G. Don, 

 Gen. Syst. IV, 195, 196 (15.38). 



Varasia Phillii'I'I, Fl. Atacam. 35, t. 5 (1860). 

 Baillon, Hist. PL X 140; Benlh. and Hook., Gen. PI. II, 815; Durand, 

 Ind. Gen. Plum. 278. 



