334 METASPERMAE OF THE MINNESOTA VALLEY. 



L1V. OXALIDACEAE. Wood-Sorrel Family. 



Endlicher, Gen. PL 1171 (1840); Benth. and Hook., Gen. PL I, 270(1862) 

 sub Geraniaceae', Baillon, Hist. PL V, 22 (1874) sub Geraniaceae', 

 Reiche, Engler and Prantl, Nat. Pflanz. 3, IV, 15 (1889). 



Genera: 7; tropical and subtropical regions, sparingly 

 in temperate zones; center in S. Africa and S. America. 



Species: 250 ; 90 per cent, in genus Oxalis Linn. 



OXALIS LINN. Gen. 377 (1737). 



Biophytum DC. Prodr. I, 689 (1824). 

 Oxys' TOURN. Inst. 88 (1700). 



Baillon, Hist. PL V, 41; Benth. and Hook., Gen. PL I, 276; Durand, 

 2nd. Gen. Phan. 51; Engler and Prantl, Nat. Pflanz. 3, VI, 19, 21 (Reiche); 

 Gray, III. Gen. II, 111; Schenck, Palaeophyt. 530. 



Living species : 250 ; Africa, tropical Asia and 

 America; 3-4 temperate regions; 1-2, tropics of both hemi- 

 spheres, the rest in S. Africa and tropical America to S. 

 America. North America, 10-12; W. Tex., 6; S. Sts., 3; Rocky 

 mts., 2-3; E. Sts., 5; Canada, 3-4; California, 2; PL Wheel., 1. 

 Fossil species: 2 in amber (Comventz). 



Oxalis stricta LINN. Spec. 435 (1753). 

 O. dittenii JACQ. Oxal. 15, 28 (1794). 

 O. florida SALTSB. Prodr. 322 (1796). 



O. corniculata LINN. var. stricta SAV. Lam. Enc. Meth. IV, 683 

 0797). 



O. lyoni PURSH, Fl. Am. 322(1814). 



Wats, and Coult., Gray's Man. 6 ed. 105; Britt., Fl. N. J. 73; Webb., 

 Fl. Neb. 121; Coult., Fl. Colo. 45; Chap., Fl. S. St. 63; Brew, and Wats., 

 Fl. Calif. I, 96; Hook., Fl. Gt. Brit. 84; Mac., Fl. Can. I, 92, 503; Forbes 

 and Hems., Fl. Sin. 99; Led., Fl. Ross. I, 483; Wats., Bibl. Ind. I, 153; 

 Nym., Fl. Eur.; Herd.,Fl. Eur. Russ. 34; Engl. Reiche, Nat. Pflanz. Ill, 

 4, 21; Coult., Fl. Tex. 52; Greene, Fl. Fran. 100; Cov., Fl. Ark. 171. 

 Middle and N. Europe; N. Asia; China. 

 North America, N. S. to Man.; S. to N. Eng., Fla.; 

 W. to Colo., Tex. and California. 



Minn, valley: Throughout at all levels; damp or cul- 

 tivated ground; banks of streams and in ravines. 



HERB.: Sheldon 1111, Springfield; Taylor 586, Minne- 

 sota lake; Sheldon 20, Elysian; Sheldon 166, Madison Lake; 

 Sheldon 965, Sleepy Eye; Taylor 122, Janesville; Taylor 747, 

 Glen wood; Ballard 22, Chaska; Ballard 658, Waconia; Bollard 

 534, Cleary's lake, Scott Co.; Herrick 64, St. Louis river; Rob- 

 erts 22, Beaver bay; Sandberg 110, Cannon Falls; Herrick 65, 

 Minneapolis; Herb. Sheld. 1741, Minneapolis. 



