434 METASPERMAE OF THE MINNESOTA VALLEY. 



XCI. HYDROPHYLLACEAE. Waterleaf 

 Family. 



Endlicher, Gen. PI 658 (1836-40); Bentham and Hooker, Gen. Plant. 

 II, 825 (1876); Baillon, Hist. PL X, 397 (1891) sub Boraginac6es. 



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 S. Africa. 



MACROCALYX TREW. Nov. Act. Cur. II, 330 (1761). 

 Ellisia LINN. Spec. ed. II, Appx. (1763). 

 Nyctalea SCOP. Introd. 775 (1777). 

 Encrypta NUTT. Jour. Acad. Phil. 2, I, 158 (1848). 

 Baillon, Hist. PZ.X, 397; Benth. and Hook., Gen. PI. II, 827; Durand, 

 2nd. Gen. Phan. 280; O. Kuntze, Bev, Gen. II, 433(1891). 



Living species: 3; N. America; 1, Can., Rocky mts., E. 

 Sts. ; 2, California. 



Macrocalyx nyctalea (LINN.) OK. Rev. Gen. II, 434 (1891). 

 Ipomea nyctalea LINN. Spec. (1753). 

 Polemonium nyctalea LINN. Spec. 2 ed. (1762). 

 Ellisia nyctalea LINN. Spec. 2 ed. Appx. 1662 (1763). 

 E. ambigua NUTT. 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. to N. 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. 



HERB. : Bollard 348, Helena, Scott Co. ; Taylor 182, 

 Janesville; Bollard 80, Chaska; Taylor 350, Janesville; Sheldon 

 672, Waseca; Sheldon 185a, Madison Lake; Foote 3, Worthing- 

 ton; Herrick 241, Minneapolis; Sandberg 450, Cannon Falls; 

 Holzinger 175, Winona; Herb. Sheld. 1766, Ft. Snelling; Herb. 

 Wickersheim 101, Idle wild, Lincoln Co. ; Herb. Moyer 193, Chip- 

 pewa river, near Montevideo. 



HYDROPHYLLUM LINN. Gen. 124 (1737). 



Viticella MITCH. Act. Med. Cur. VIII, 220 (1748). 

 Decemium RAF. Fl. Lud. 33 (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; 



