388 MINNESOTA BOTANICAL STUDIES. 
Ranunculus septentrionalis Porr. in Lam. Encycl. 6: 125. 
1804. 
Coll.: Wheeler 6, Winnebago. June. 
Batrachium trichophyllum (CuHaix) Bosscu, Prodr. Fl. Bot. 
5) TO50. 
Coll.: Lyon 67, Winnebago. June. 
Batrachium divaricatum (ScuRANK) Wimm.FI.Schles. 1841. 
Coll.: Lyon 219, Mayville. July. 
Thalictrum dioicum L. Sp. Pl. 545. 1753. 
Coll.: Herb. Wheeler 13, Winnebago. June. 
Thalictrum purpurascens L. Sp. Pl. 546. 1753. 
Coll.: Lyon 99, Winnebago. June. 
BERBERIDACEZ. 
Caulophyllum thalictroides (L.) Micux. Fl. Bor. Am. 1: 205. 
1803. 
Coll.: Lyon 92, Winnebago. June. 
Podophyllum peltatum L. Sp. Pl. 505. 1753. 
Coll.: Lyon 1, Wheeler 157, Winnebago. June. 
MENISPERMACEZ. 
Menispermum canadense L. Sp. Pl. 340. 1753. 
Coll.: Wheeler 188, Winnebago. June. 
PAPAVERACEZ. 
Sanguinaria canadensis L. Sp. Pl. 505. 1753. 
Coll.: Lyon 169, Crooked Creek. June. 
Bicuculla cucullaria (L.) Mruusp. Bull. W. Va. Agric. Exp. 
Dia. g2evse7s 2602. 
Coll.: Wheeler 12, Winnebago. June. 
CRUCIFERA. 
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.) Kocu, in Reehl, Deutsche FI..Ed. 3, 4: 
yiae O33. 
Coll’; Lyon 233; Crooked Creek.” July. 
