274 METASPERMAE OF THE MINNESOTA VALLEY. 
HERB.: Ballard 813, Page lake, Carver Co.; Ballard 
444, Prior’s lake, Scott Co.; Ballard 611, Chaska; Sheldon 1371, 
Lake Benton; Ballard 694, Waconia; Sheldon 1197, New Ulm; 
Herrick 109, Minneapolis; Kassube 92, Minneapolis; Holzinger 
78, Winona Co.; Sandberg 201, Cannon Falls; Herb. Moyer 84, 
Montevideo (a very large-leaved form). 
L. SAXIFRAGACEAE. Saxifrage Family. 
Endlicher, Gen. Pl. 813 (1840); 823—WRibesiaceae; 1186, Philadelpheae; 
Lindl. Veg. King, 752, 569, 578, 750. 451 (1846) —Escalloniaceae, Hydrangea- 
ceae, Brexiaceae, Grossulariaceae. Francoaceae; DC. Prodr. VII, 521 (1888-39); 
Benth. and Hook., Gen. Pl. I, 629 (1865)—excl. Trib. V, Cunonieae; Bail- 
lon, Hist. Pl, III, 325 (1872) in part; Engler in Engler and Prantl, Nat. 
Pflanz. 3, II a, 41 (1890). 
Genera: 60; widely distributed. 
Species: 450+; mostly ‘‘glacial plants.” 
SAXIFRAGA Linn. Gen. 368 (1787). 
Megasea, Antiphylla, Chondrosea, Muscaria, Lobaria, 
Spatularia, Dermasea, Aulaxis, Robertsonia, Miscopetalum, 
Leptasea, Hirculus, Ciliaria Haw. Enum. Sax. (1821). 
Ligularia DuVAL, Pl. Succ, 11 (1819). 
Kingstonia Gray, Brit. Pl, II, 531 (1821). 
Zahlbrucknera ReicH. Fl. Germ. Excurs. 551 (1832). 
Diptera BorKu. ex Baill. Adans. V, 282 (1865). 
Hydatica Neck. Elem. (1790). 
Oreosplenium ZAHLBR. ex Baill. Adans. V, 282 (1865). 
Geryonia ScuuR. Transsylv. Enum. (1866). 
Bergenia Morncu, Meth. (1794). 
Baillon, Hist. Pl. III, 424; Benth. and Hook., Gen. Pl. I, 635, 636; 
Durand, Ind. Gen. Phan, 116; Engler and Prantl, Nat. Pflanz. 3, II a, 52 
(Engler); Schenck, Palaeophyt.617. 
Living species: 200+; mts. and arctic regions of N. 
hemisphere; a few widely distributed as glacial plants (Engler). 
Also, in the Andes of S. America. 160 (B. and H.); 180 (Du- 
rand). Russia, 57; Hurope, 120 (in the Alps, for the most part); 
Russian Europe, 20; North America, 45; Canada, 35; Rocky 
mts., 18-20; California, 10; E. Sts., 11; Pl. King, 7; Pl. Wheel., 
11; Alaska, 25+. 
Fossil species: . oppositifolia, Quaternary, England 
and Denmark. 
Saxifraga pennsylvanica Linn. Spec. 399 (1753). 
S. semipubescens SwEET, Hort. Suburb. 97 (1818), 
S. palustris Link, Enum. I, 412 (1821). 
Micranthes pennsylvanica Haw. Enum. Sax. 45 (1821). 
Evaiezoa pennsylvanica RAF. Fl. Tell. II, 71 (1836). 
Wats. and Coult., Gray’s Man. 6 ed. 170; Britt., Fl. N J. 101; Upham, 
