850 



PLANTS OF THE EASTERN COAST OF LAKE HUEON. 



Eastern} Lake 

 Ontario. Sup'rior 



Western and North-western 

 Extension. 



Salix longifolia, Muhl. 

 Populus tremuloides, Michx. 



" graudidentata, Michx. 



" monilifera, Ait. 



" balsamifera, L. 



CONIFERS. 



Pinus strobus, L. 



" resinosa, Ait. 

 Abies nigra, Poir. 



" alba, Mx. 



" Canadensis, Mx. 



" balsamea, Marshall. 

 Larix Americana, Mx. 

 Thuja occidentalis, L. 

 Juniperus communis, L. 



" sabina, L., var. pro- 

 cumbens, Ph. 

 Taxus baccata, L., var. Cana- 

 densis, Grr. 



ARACE^. 



Arissema triphyllum, Torr. 

 Calla palustris, L. 

 Symplocarpus fcetidus. 

 Orontium aquaticum. 

 Acoriis calamus. 



TYPaACE^. 

 Tjrpha latifolia, L. 

 Sparganeum simplex, Hudson, 



var. angustifolium. 

 Sparganeum eurycarpum, En- 



gelm. 



LEMNACE.^. 

 Lemna minor, L. 

 " trisulca, L. 

 " polyri'hiza, L. 



NAlADACEiE. 



Nais flexilis, Rostk. 

 Potamogeton natans, L. 



" Claytonii, Tuck. 



" ampHfolius, Tuck. 



" gramineus, L. 



" jjraslongus, Wulf. 



" perfoliatus, L. 



" compressus, L. 



" pauciflorus, Pursh. 



" pusillus, L. 



" pectinatus, L. 



" heterophyllus, Schreber. 



West to the Pacific coast. 

 Rocky Mountains to lat. 64° N. 



Pacific coast, lat. 68° N. 



West of the Pvocky Moimtains. 

 West of the Rocky Mountains. 

 North to lat. 65° N. 

 Almost to the Arctic Sea. 

 Pacific coast, lat. 57° N. 

 Little Slave Lake. 

 Peace River valley, lat. 57° N. 

 Saskatchewan valley. 

 Pacific coast. 



Rocky Mountains. 



Saskatchewan valley. 



Hudson's Bay and Saskatche- 

 [wan valley. 



Saskatchewan valley. 



Great Bear Lake. 



Lat. 58° N. , on McKenzie River. 

 Lat. 5S° N. , on McKenzie River. 

 Lat. 58° N,, on McKenzie River. 



North-West coast. 



Lake Athabaska. 

 Great Slave Lake. 

 Lake Athabaska. 



Lake Athabaska. 



North-West coast. 

 Saskatchewan valley, 



