[635J 



THE PLANTS OF THE EASTERN COAST OF 

 LAKE HURON, 



AND THEIR DISTRIBUTION THROUGH THE NORTHERN AND 

 WESTERN PORTIONS OF BRITISH NORTH AMERICA. 



BY JOHN GIBSON, B.A., P.G.S., F.B.S.E.; and 

 JOHN MACOUN, M.A., Botanist to tli« British Columbia Exploring Expedition of 1875. 



The following lists of plants collected or observed upon the eastern 

 coast of Lake Huron, and the southern and western shores of the 

 Georgian Bay, with their eastern and western ranges indicated by a 

 dash ( — ) in the respective columns, though necessarily very imper- 

 fect in detail, are presented to the botanists of Ontario in the hope 

 that they may be of service in elucidating some points in the Geo 

 graphical Botany of Canada. 



Eastern Lake 

 Ontario. Sup'rior 



Western and North-western 

 Ejrtension. 



RANUNCULACE^. 

 Clematis Virginiana, L. 

 Anemone Virginiana, L. 



" Pennsylvanica, L, 



" nemorosa, L. 

 Hepatica triloba, Chaix. 



" a.cutiloba, D. C. 

 Thalictrum anemouoides, Mx. 



" dioiciim, L. 



" Cornuti, L. 

 Hanunculus aquatilis, L., var 

 trichopbyllus, Chx. 



*' multifidus, Pursh. 



" Flanunula, L., var. rep- 

 tans. 



" rbomboideus, Goldie. 



" abortivus, L. 



" sceleratus, L. 



" recurvatus, Poir. 



" Pennsylvanicus, L. 



" fascicularis, Mubl. 



" repens, L. 



" acris, L. 

 Oaltba palustris, L. 

 Coptis trifolia, Salisb. 

 Aquilegia Canadensis, L. 

 Actasa spicata, L., var. rubra, 



" alba, Bigel. 



Rocky Mountains. 



Sitka Sound. 



Vancouver's Island. 

 Peace River valley. 



Rocky Mountaina. 

 Kotzebue's Sound. 



North-West to lat. 57°. 

 McKenzie River to lat, 67° 

 Unalaska. 

 Pacific coast. 



Peace River valley. 

 Vancouver's Island. 

 Pacific coast. 

 Sitka and Unalaska, 

 Rocky Mountains. 



