LIST OF HIGHER SEED-PRODUCING PLANTS. 875 
LXXVII OENOTHERACEAE. Evening- 
Primrose Familv. 
Endlicher, Gen. Pl. 1118 (1836-40); Lindl., Veg. King. 724 (1846)—Ona- 
graceae; Bentham and Hooker, Gen. Plant, I, 785 (1862-1867); Baillon, Hist. 
Pl. VI, 458 (1877);—excl. Halorrhagidaceae. . 
Genera: 16-20; temperate regions; rarer in the tropics. 
Species: 300-850; a few fossil in Tertiary. 
ISNARDIA Linn. Gen. 842 (1737). 
Ludwigia Linn. Corr. 943 (1787). 
Prieuria DC. Prodr. ITI, 58 (1828). 
Nematopyxis Miq. FI. Ind. Bat. I, 630 (1859). 
Dantia Tov. Gen. Nov. Mad. 49 (1806?). 
Jussiaea LINN. Gen. 538 (1737). 
Cubospermum Lour. FI. Coch. 275 (1790). 
Vigiera VELLOz. Fl. Flum. II, 73, 74 (1827). 
Corynostigma PERSL, Epim. 218 (1844). 
Baillon, Hist. Pl. VI, 491; Benth. and Hook., Gen. Pl. 1, 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, 2-8; California, 2. 
Isnardia palustris Linn. Spec. 120 (1758). 
Ludwigia apetala WALT. Fl. Car. 89 (1788). 
L, nitida Micux. FI. N. Am. I, 87 (1803). 
LL. palustris ELu. Sk. I, 211 (1821). 
Isnardia palustris var. americana DC. Prodr. IIT, 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, FI. 
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; 8. 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 8.and P. Suppl. Pl. Ky. II, 7 (1833). 
Wats. and Cuult., 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. 
