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PAP AVERAGES. The Poppy Family. 



Sanguinaria. Dill. Bloodroot. 

 Canadensis, Linn. 



FUMAKIACE^. The Fumitory Family. 



DlCENTRA, Boik. 



cucullaria, DC. Breeches Flower. 

 Canadensis, DC. Squirrel Corn. 



Corydalis, Linn. 



aurea, Willd. Upper Mississippi, Dr. Houghton, 

 glauca, Pursb. Blue Mounds. 



CRUCIFERyE. 



I^asturtium, R. Brown. 



pahistre, DC. 

 natans, DC. 



Cardamine, Linn. 



rhomboidea, DC. Spring Cress, 

 birsuta, Linn, 

 pratensis, Linn. 



Dektaria, Linn. Tootbwort. 

 laciniata, Muhl. 



Arabis, Linn. 



petrsea, Lam. Shore of Lake Superior, Dr. Z. Pitcher. 



lyratta, Linn. 



birsuta, Scop. 



laevigata, DC. 



Canadensis, Linn. Sicklepod. 



TuRRiTis, Dill. Tower Mustard. 



glabra, Linn. Shore of Lake Superior, Dr. Z. Pitcher. 



stricta, Graham. Lake Superior, Dr. A. Gray. 



brachycarpa, Torr. & Gray. Shore of Lake Superior, Dr. Z. Pitcher. 



Erysimum, Linn. Treacle Mustard. 



cheiranthoides, Linn. Lake Superior, Dr. Houghton. 



Sisymbrium, Linn. Hedge Mustard, 

 canescens, Nutt. 



SlNAPis, Tourn. Mustard. 



arvensis, Linn, 

 nigra, Linn. 



