LIST OF HIGHER SEED-PRODUCING PLANTS. 375 



LXXVII. OENOTHERACEAE. Evening- 

 Primrose Family. 



Endlicher, Gen. PI. 1118 (1836-40); LindL, Veg. King. 724 (1846) Ona- 

 graceae; Bentham and Hooker, Gen. Plant, I, 785 (1862-1867); Baillon, Hist. 

 PI. VI, 458(1877) excl. Halorrhagidaceae. 



Genera: 16-20; temperate regions; rarer in the tropics. 

 Species: 300-350; a few fossil in Tertiary. 



ISNARDIA LINN. Gen. 842 (1737). 

 Ludwigia LINN. Corr. 943 (1737). 

 Prieuria DC. Prodr. Ill, 58 (1828). 

 Nematopyxis MIQ. Fl. lad. Bat. I, 630 (1859). 

 Dantia THOU. Gen. Nov. Mad. 49 (1806?). 

 Jussiaea LINN. Gen. 538 (1737). 

 Cubospermum LOUR. Fl. Coch. 275 (1790). 

 Vigiera VELLOZ. Fl. Flum. II, 73, 74 (1827). 

 Corynostigrna PERSL, Epim. 218 (1844). 



Baillon, Hist. PI. VI, 491; Benth. and Hook., Gen. PI. I, 788; Durand, 

 Ind. Gen. Phan. 140; O. Kuntze, Rev. Gen. I, 250. 



Living species : 60 ; Europe, Asia, Africa, N. Amer- 

 ica, and most tropical regions. North America, 24; S. Sts., 20; 

 E. Sts., 10; Canada, 2-3; California, 2. 



Isnardia palustris LINN. Spec. 120 (1753). 

 Ludwigia apetala WALT. Fl. Car. 89 (1788). 

 L. nitida MICHX. Fl. N. Am. I, 87 (1803). 

 L. palustris ELL. Sk. I, 211 (1821). 



Isnardia palustris \ar. americana DC. Prodr. Ill, 61 (1828). 

 Wats, and Coult., Gray's Man. 6 ed. 188; Britt., Fl. N. J. 109; Mac., 

 Fl. Can. I, 168; Chap., Fl. S. St. 142; Hook., Fl. Gt. Brit. 158; Upham, Fl. 

 Minn. 58; Webb., Fl. Neb. 126; Brew, and Wats., Fl. Calif. I, 217; Coult., 

 Fl. Tex. 113; Cov., Fl. Ark. 183; Wats., Bibl. Ind. I, 375; Greene, Fl. Fran. 

 227. 



Europe; S. Africa; W. Asia. 



North America: N. S., N. Br., Q., Ont. to Saskatch- 

 ewan; S. to N. Eng., N. J. and Fla. ; W. to Minn., Neb., Ark. 

 and W. Tex.; also, Sierra Co., Calif., and Oregon. 



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

 swamps and low meadows. 



Isnardia polycarpa (SHORT and PETER) OK. Rev. Gen. I, 

 251 (1891). 



Ludwigia polycarpa S. and P. Suppl. PI. Ky. II, 7 (1833). 

 Wats, and Coult., Gray's Man. 6 ed. 188; Webb., Fl. Neb. 126; Upham, 

 Fl. Minn. 58; Cov., Fl. Ark. 183; Wats., Bibl. Ind. I, 376. 



North America: Mass, and Conn, to Mich., Minn., 

 Neb., Kan., Ark. and Ky. 



