

I 



II 



III 



IV 



V 



VI 



VII 



VIII 



Subclass DICOTYLEDONE^ 





















Family Salicacece 





















Salix amygdaloides Anders. 



n 







3 













Salix cordata Muhl. 



n 







4 













Salix discolor Muhl. 



0 







4 



4 







4 





Salix longifolia Muhl. 



n 







3 













Salix missouriensis Bebb 



n 







4 













Family Urticacew 





















Urtica gracilis Ait. 



n 







4 









4 





Family Polygonacece 





















Eumex brittaniea L. 



n 













3 



3 





Rumex persicarioides L. 



n 







2 



4 







3 



3 



Polygonum acre H. B. K. 



n 







2 



3 









3 



Polygonum amphibium L. 



n 







3 









4 





Polygonum hydropiperoides Michx. 



n 







4 













Polygonum lapathifolium L. 



n 







2 



3 



4 



3 



3 



3 



Polygonum Muhlenbergii (Meisn.) 



















Wats. 



n 







4 









4 





Polygonum pennsylvanicum L. 



n 







3 









3 





Family Amaranthacece 





















Aenida tuberculata subnuda Wats. 



n 







3 







3 







Family Caryophyllacece 





















Stellaria longifolia Muhl. 



p 







5 













Family CeratopJiyllacece 





















Ceratophyllum demersum L. 



m 



1 



1 



3 



1 



2 







2 



Family NympluBacece 





















Nymphgea advena Ait. 



m 









5 









5 



Castalia tuberosa (Paine) Greene 



m 









5 











Family Banunculacew 





















Ranunculus aquatilis capillaceous 





















DC. 



m 







5 













Eanunculus circinatus Sibth. 



m 



3 





3 













E-anunculus cymbalaria Pursh 



n 







3 









3 





Ranunculus delphinifolius Torr, 



n 







5 













Ranunculus pennsylvanicus L. f . 



n 







3 



3 











Ranunculus septentrionalis Poir. 



n 













4 



4 





Ranunculus sceleratus L. 



n 







3 











3 



Anemone canadensis L. 



n 







4 













Caltha palustris L. 



n 







4 













Family CrucifercB 





















Cardamine bulbosa (Schreb.) 





















B. S. P. 



n 







4 













Radicula palustris (L.) Moench 



n 







3 



3 





3 







Radicula palustris hispida (Desv.) 







3 







3 







Rob. 



n 







3 







3 







Family Crassulacece 





















46 



