286 



Proceedings Port. Soc Nat. Hist. 



FKtI'RE 4. — Distribution of Oxalia Americana, a representative 

 Canadian species. 



FIELDS AND CLEARINGS 



Panicum boreale 

 Carex pMescens 

 Polygonum cilinode 

 Prunus pennsylvanica 

 Oenothera piimila 

 Aralia hispida 



Vacc iniuni pennsylvanicum 

 Euph rasia americana 

 Rhinantlius Crista-galli 

 Samhucus racemosa 

 Pre nan th es trifo lio lata 

 Hieracium canadense 



SWAMPS 



Glyceria ca^iodensis 

 Eriophorum tenellum 

 Scirpus atrocinctus 

 Polygonum sagittatum 



NemopantJius mucronata 

 I m pat i ens bi flora 

 Viola cucullata 

 Lysimacliia terrestris 



