NYMPH.*ACEiE. 



Brasenia peltata, Pursh. 

 Nelumbium luteum, Willd. 

 Nymphaea odorata, Ait. 

 Nuphar advena, Ait. 



var. variegatum, Ergelm. 



SARRACENIACE.L. 



Sarracenia purpurea, Linn. 



PAPAVERACE^. 



Papaver somniferum, Linn. 

 Argemone Mexicana, Linn. 

 Stylophorum diphyllum, Nutt. 

 Sanguinaria Canadensis, Linn. 



FUMARIACE^. 



Adlumia cirrhosa, Raf. 

 Dicentra Cucullaria, D.C. 



Canadensis, D.C. 

 Corydalis glauca, Pursh. 



aurea, Willd. 

 Fumaria officinalis, Linn. 



CRUCIFER.L. 



Nasturtium officinale, R. Brown. 



sessiliflorum, Nutt. 



obtusum, Nutt. 



palustre, D.C. 



var. hispidum, Gray. 



lacustre, Gray. 



Armoracia, Fries. 

 Dentaria diphylla, Linn. 



laciniata, Muhl. 

 Cardamine rhomboidea, D.C. 

 var. purpurea, Torr. 



pratensis, Linn. 



hirsuta, Linn. 

 Arabis lyrata, Linn. 



petraea. Lam. 



dentata, Torr. & Gray. 



hirsuta, Scop. 



laevigata, D.C. 



Canadensis. Linn. 



perforata, Lam. 



Drummondii, Gray. 

 Erysimum cheiranthoides, Linn. 

 Sisymbrium, officinale, Scop. 



canescens, Nutt. 

 Brassica Sinapistrum, Boissier. 



alba, Gray. 



nigra, Gray. 

 Draba arabisans, Michx. 



