Hydrastis Canadensis, L. (The very bitter root-stock of this plant contains a beautiful yellow dye, and is used in America as a medicine).
CRUCIFERÆ
Sisymbryum brachycarcum, Richards. An S. canescentis, Nutt. var. glabriuscula? Confer S. Sophia, Pursh.
Nasturtium sylvestre, De C. (The American plant has larger leaves than the German).—Stannleya pinnatifida, Nutt.
Vesicaria Ludoviciana, De C. (Alyssum Ludovicianum, Nutt.; Myagrum argenteum, Pursh.)
Erysimum asperum, De C. (Er. lanceolatum, Pursh.; Cheiranthus asper, Nutt.)
Alyssum dentatum, Nutt. Flores Nuttalio et Candollio huc usque erant ignoti.—Dentaria laciniata, Mich.
FUMARIACEÆ
Diclytra cucullaria, De C.—Corydalis aurea, Willd.—C. flavula, Raf.