MICHIGAN ACADEMY OF SCIENCE. 



41 



TABLE I. — Continued. 



X:inie. 



I. .\rctic. 



II. American. 



a 



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III. IV. Maine. 



jUdus mollis 



Comandra livida 



Polygonmn vivipiiruiii . 

 Arenaria groenlandica . 

 Stellaria Iwrealis 



Nj'raphea microphjila 



Coptis trifolia 



Raiiunculis acris 



Cardamine bellidifolia laxa. 

 Drosera rotundif olia 



Saxifraga stellaris comosa. 



Ribes lacustre 



Ribes triste 



Spirea latifolia 



Potentilla fruticosa 



Potentilla tridenta. 

 Pyrus americana... 



Rubus triflorus 



Empetrum nigrum . 

 Viola palustris 



Viola labradorica 



Epilobium angustifolium.. . 

 Epilobium anagallidifoliuni . 

 Epilobium Hornemanni. . . . 

 Cornus canadensis 



Pyrola minor 



PjTola secunda 



Ledum groenlandicum 



Rhododendron canaden.sie.. 

 Rhododendron lappoiiicuni. 



Loiseleuria procumbens. 



Kalmia angus tifolia 



Kalmia polifolia 



Phyllodoce coerulea .... 

 Cassiope hypnoides 



.\ndromeda polifolia 



Chamaedaphne calyculata. 



Gaulthera procumben.« 



Arcta.^taphylos alpina 



Chiogenes hispidula 



Vaccinium pennsylvanicuni :ingu.<:tifolium . 



Vaccinium canadense 



Vaccinium uliginosum 



Vaccinium cae.«pitosum .' 



Vaccinium ^'itis-Idaea 



Vaccinium Oxycoccus 



Diapensia lapponica 



Trientalis americana 



Veronica alpina unala^^ken.«is. . . . 

 Castilleja pallida septentrionalis. 



Euphrasia Oakesii 



Rhinanthus Crista-galli. . 

 Galium kamtschaticum . . 



Galium trifiorum 



Lonicera caerulea 'i'illosa. 



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