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.) Rusby, Mem. Torr. Club, 3: Part 3, 

 5- 1893. 



Coll. : Lyon 89, Winnebago. June. 

 Cardamine bulbosa (Schreb.) B.S.P. Prel. Cat. N. Y. 4. 

 1888. 



Coll.: Wheeler 167, Winnebago. June. 

 Bursa bursa-pastoris (L.) Britton, Mem. Torr. Club, 5 : 172. 

 1894. 



Coll. : Lyon 120, Winnebago. June. 

 Camelina sativa (L.) Crantz, Stirp. Austr. i : 18. 1762. 



Coll. : Lyon 213, Mayville. July. 

 Draba caroliniana Walt. F1. Car. 174. 1788. 



Coll. : Lyon 47, Winnebago. June. 

 Arabis laevigata (MuHL.) Poir. in Lam. Encycl. Suppl. i : 411. 

 1810. 



Coll. : Wheeler 154, Winnebago. June. 

 Arabis canadensis L. Sp. PI. 665. 1753. 



Coll.: Lyon iii, Winnebago; 212, Crooked Creek. 

 June, July. 

 Arabis glabra (L.) Bernh. 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. Jul3% 



CAPPARIDACE^. 

 Polanisia graveolens Raf. Am. Journ. Sci. i : 378. 1819. 

 Coll. : Lyon 277, Jefferson. July. 



CRASSULACE^. 

 Penthorum sedoides L. Sp. PI. 432. 1753. 

 Coll. : Wheeler 384, Jefferson. July. 



SAXIFRAGACEiE. 



Saxifraga pennsylvanica L. Sp. PI. 399. 1753. 



Coll. : Wheeler 180, Winnebago. June. 

 Heuchera hispida Pursh, F1. Am. Sept. 188. 1814. 



Coll. : Wheeler 83, Winnebago. June. 



