NO. I 



;-MlTllSONIAX I-:Xl'[.ORAT10N"S, I919 



39 



rado ; while on the west slope, whose streams drain into the Coluin- 

 bia River, the flora is more obviously related to that of the Pacific 

 Coast. The forests about Lake }*IcDonald are verv dense and are 



I'll.. 40. ' iuii^i:-;iii i..iKr iiuiii i.iinnmn I'.iss, t .ImuT a.imiih.u I'aiK 

 I'hotonraiili l>y K. IC. Maiblr. 



composed of unusualK' lar^je trees. .\llli<)Ui.^li not marly so exten- 

 sive, they are much like those of the humid retjions of ( )re!.4(»n and 

 \Vashinj.jton. 



