Wheeler: FLORA OF SOUTHEASTERN MINNESOTA. 389 
Brassica arvensis (L.) B.S.P. Prel. Cat. N. Y. 1888. 
Coll.: Lyon 86, Winnebago. June. 
Roripa palustris (L.) Bess. Enum. 27. 1821. 
Coll.: Lyon 200, Crooked Creek. July. 
Roripa nasturtium (L.) Russy, Mem. Torr. Club, 3: Part 3, 
Be 1093: 
Coll.: Lyon 89, Winnebago. June. 
Cardamine bulbosa (Scures.) B.S.P. Prel. Cat. N. Y. 4. 
1888. 
Coll.: Wheeler 167, Winnebago. June. 
Bursa bursa-pastoris (L.) Brirron, Mem. Torr. Club, 5: 172. 
1894. 
Coll.: Lyon 120, Winnebago. June. 
Camelina sativa (L.) Cranrz, Stirp. Austr. r: 18. 1762. 
Coll.: Lyon 213, Mayville. July. 
Draba caroliniana Wa tT. Fl. Car. 174. 1788. 
Coll.: Lyon 47, Winnebago. June. 
Arabis levigata (Munt.) Porr. in Lam. Encycl. Suppl. r: 411. 
1810. 
Coll.: Wheeler 154, Winnebago. June. 
Arabis canadensis L. Sp. Pl. 665. 1753. 
Coll.: Lyon 111, Winnebago; 212, Crooked Creek. 
June, July. 
Arabis glabra (L.) Bernu. Verz. Syst. Erf. 195. 1800. 
Coll.: Lyon 122, Winnebago; 227, Mayville. June, July. 
Erysimum cheiranthoides L. Sp. Pl. 661. 1753. 
Coll.: Lyon 187, Crooked Creek; 226, Mayville. July. 
CAPPARIDACEZ. 
Polanisia graveolens Rar. Am. Journ. Sci. 1: 378. 18109. 
oll. > Lyon 277; Jefferson. July. 
CRASSULACEZ. 
Penthorum sedoides L. Sp. Pl. 432. 1753. 
Coll.: Wheeler 384, Jefferson. July. 
SAXIFRAGACEZ. 
Saxifraga pennsylvanica L. Sp. Pl. 399. 1753. 
Coll.: Wheeler 180, Winnebago. June. 
Heuchera hispida Pursn, Fl. Am. Sept. 188. 1814. 
Coll.: Wheeler 83, Winnebago. June. 
