74 



ROYAL SOCIETY OF CANADA 



If we next consider these plants comparatively, according to the six prin- 

 cipal localities from which they have been derived, it will be possible to gain 

 some further conception of their bearing upon climatic conditions : 



Leda Clays. 



Dipx River. 



Acer 



pleistocenicum. 



Grkkn's Creek. 



I Acer 



saccharin uni. 



A!gne, fp. 



Animina 



triloba. 



Bra sen in 



pelt a ta 



Broinus 



cutatus. 

 Cyperaceae. 



Carex 



Magellanica. 



iDrcsera 



rotundifolia. 



Equixetxim 



limoHum, 



Eguisetum 



seirpoides. 



Equisetum 



sylvaticum. 



Fontinalis ? sp. 



Fuctts 



digitatufi- 



Fraxinus 



(juadraiioiilala. 



Giililussucia 



retinona. 



Grumiaeee, sp. 



Besserer's. 



Bettda 



lutea . 



Cyperaceae, 



Eqitisetum- 



limosum, 



digitattin. 



Hypnuiil 



liuitans. 



Montreal. 



Algae, fp. 



SCARBORO- 



Ahi 



balsumea. 



Almis, sp. 



Carex 



aquati/iv. 



Carex 



utriculata. 



Equinetum , sp. 



FoiUinuli», sp. 



Hypnum 



commutatum. 



Moose Rivkr. 



Distichium 



oapillaceum. 



