434 METASPERMAE OF THE MINNESOTA VALLEY. 
XCI. HYDROPHYLLACEAE. Waterleaf 
Family. 
Endlicher, Gen. Pl. 658 (1836-40); Bentham and Hooker, Gen. Plant. 
II, 825 (1876); Baillon, Hist. Pl. X, 397 (1891)—sub Boraginacées. 
Genera: 15; N. America; a very sparing representation 
in S. America, Africa and the tropics. 
Species: 150; N. America; 3-4 around world and S. 
America or 8. Africa. 
MACROUCALYX Trew. Nov. Act. Cur. II, 330 (1761). 
Ellisia Linn. Spec. ed. IJ, Appx. (1763). 
Nyctalea Scop. Introd. 775 (1777). 
Encrypta Nutt. Jour. Acad. Phil. 2, I, 158 (1848). 
Baillon, Hist. Pl. X, 397; Benth. and Hook., Gen. Pl. II, 827; Durand, 
Ind. Gen. Phan. 280; O. Kuntze, Rev, Gen. II, 433 (1891). 
Living species: 3; N. America; 1, Can., Rocky mts., E. 
Sts.; 2, California. 
Macrocalyx nyctalea (LInn.) OK. Rev. Gen. II, 484 (1891). 
Ipomea nyctalea LINN. Spec. (1753). 
Polemonium nyctalea LINN. Spec. 2 ed. (1762). 
Ellisia nyctalea LINN. Spec. 2 ed. Appx. 1662 (1763). 
FE. ambigua Nutr. Gen. I, 118 (1818). 
Wats. and Coult., Gray’s Man. 6 ed. 359; Britt., Fl. N. J. 176; Brew, 
and Wats., Fl. Calif. I, 505; Coult., Fl. Colo. 255; Mac., Fl. Can. I, 322; 
Upham, Fl. Minn. 109; Webb., Fl. Neb. 135; Cov., Fl. Ark. 205; Gray, Syn. 
Fl. II, 1, 157. 
North America: Qu’Appele to Saskatchewan and N. 
W. T.; S. toN. Eng., N. J. and Va.; W. to Minn., Mo., Dak., 
Neb., Colo. and Arkansas river. 
Minn. valley: Throughout; grassy places, rich woods 
and banks of streams or lakes. 
Hers.: Ballard 348, Helena, Scott Co.; Taylor 182, 
Janesville; Ballard 80, Chaska; Taylor 350, Janesville; Sheldon 
672, Waseca; Sheldon 135a, Madison Lake; Foote 3, Worthing- 
ton; Herrick 241, Minneapolis; Sandberg 450, Cannon Falls; 
Holzinger 175, Winona; Herb. Sheld. 1766, Ft. Snelling; Herb. 
Wickersheim 101, Idlewild, Lincoln Co.; Herb. Moyer 193, Chip- 
pewa river, near Montevideo. 
HYDROPHYLLUM Linn. Gen. 124 (1787). 
Viticella Mircu. Act. Med. Cur. VIII, 220 (1748). 
Decemium RaF. FI. Lud. 338 (1817). 
Baillon, Hist. Pl. X, 397; Benth. and Hook., Gen. Pl. II, 826; Durand, 
Gen. Phan, 279. 
Living species: 6; N. America; Canada, 5; S. Sts., 4; 
