388 MINNESOTA BOTANICAL STUDIES. 



Ranunculus septentrionalis Pom. in Lam. Encycl. 6: 125. 

 1804. 



Coll. : Wheeler 6, Winnebago. June. 



Batrachium trichophyllum (CHAIX) BOSSCH, Prodr. Fl. Bot. 

 5- 1850. 



Coll. : Lyon 67, Winnebago. June. 

 Batrachium divaricatum ( SCHRANK ) WIMM. Fl. Schles. 1841 . 



Coll. : Lyon 219, Mayville. July. 

 Thalictrum dioicum L. Sp. PI. 545. 1753. 



Coll. : Herb. Wheeler 13, Winnebago. June. 

 Thalictrum purpurascens L. Sp. PL 546. 1753. 



Coll. : Lyon 99, Winnebago. June. 



BERBERIDACE^E. 

 Caulophyllum thalictroides (L.) MICHX. Fl. Bor. Am. i : 205. 



1803. 



Coll. : Lyon 92, Winnebago. June. 

 Podophyllum peltatum L. Sp. PI. 505. 1753. 



Coll. : Lyon i, Wheeler 157, Winnebago. June. 



MENISPERMACE^E. 



Menispermum canadense L. Sp. PL 340. 1753. 

 Coll. : Wheeler 188, Winnebago. June. 



PAPAVERACE^:. 



Sanguinaria canadensis L. Sp. PL 505. 1753. 

 Coll. : Lyon 169, Crooked Creek. June. 

 Bicuculla cucullaria (L.) MILLSP. Bull. W. Va. Agric. Exp. 



Sta. 2 : 327. 1892. 

 Coll. : Wheeler 12, Winnebago. June. 



CRUCIFERJE. 

 Lepidium apetalum WILLD. Sp. PL 3: 439. 1801. 



Coll. : Lyon 123, Winnebago. June. 

 Sisymbrium officinale (L.) SCOP. FL Cam. Ed. 2, 2 : 26. 1772. 



Coll. : Lyon 422, Winnebago. Aug. 

 Sisymbrium altissimum L. Sp. PL 659. 1753. 



Coll. : Lyon 273, Wheeler 481, Jefferson. July, Aug. 

 Brassica nigra (L.) KOCH, in Roehl, Deutsche Fl. Ed. 3, 4: 

 7i3- 1833. 



Coll. : Lyon 233, Crooked Creek. July. 



