14 



THE CONIFERS OF THE NORTHERN ROCKIES. 



forested and the unforested slopes do not always stand in the same 

 relation to the points of the compass. The conditions which occur 



FIG. 5. White Pine, in the Flathead Valley, Montana. July. 



about Missoula may be cited as an illustration. Here it is noticeable 

 that all the highest points are forested and most of the lower slopes 



