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named by Dr. Hooker B. Schleicheri, which grows in the 

 stream that falls into the Columbia, at its very eflux from 

 the lake. When it is considered that we visited this place 

 in the middle of October, and during a violent snow storm, 

 which had already covered the ground to a depth of several 

 inches, we may form some idea of what might be expected to 

 be the productions of this country, lying at the very foot of 

 the Rocky Mountains, during fine weather, and at an earlier 

 season of the year, when so many peculiar plants were still 

 observable, although I was obliged to keep up with the 

 brigade, and we proceeded as quickly as possible. At the 

 time of my return, the snow was so deep as to preclude the 

 possibility of finding any thing. The first glacier I saw, was 

 about twenty miles before reaching the lake ; but I visited a 

 very large one at ten miles nearer to the lake. I found the 

 trees, or rather bushes, of IVJiite Spruce and Balsam Poplar^ 

 growing almost close to the ice. The only thing that repaid 

 me for the trouble was a patch of Trichostomum lanuginosum, 

 the only one I met with during the journey. To the plants 

 I have already named, may be added Tiarella trifoliata^ T. 

 cordifolia, and T. Menziesii, a species of Spiraa, Vaccinium 

 hispidulum, Gaultheria serpyllifolia, and another Vaccinium 

 allied to V. Myrtillus ; none of these, however, were in flower. 

 Amongst the CryptogamicB, I also found here Adiantnm pe- 

 datum, and Aspidiiim Lonchitis ; Pohjtrichum pallidisetum, var., 

 Grimmia torquata, a nondescript Didymodon, and doubtless 

 many more which have escaped my memory, and which, with 

 those enumerated, were scarcely seen any where else. When 

 the lake is passed, you descend rather gently for about eight 

 or ten miles, with a similar vegetation to that of the eastern 

 side; but when the summit of the Great Hill, or Grand 

 Cote, a few miles beyond the Height of Land, is attained, 

 the change becomes most striking. Instead of the stunted 

 miserable looking Balsam and llliite Spruce which grow on 

 the eastern side, the Pinus Strohus and P. canadensis, with 

 Thuja occidentalism and several other trees, increasing in 

 variety as you descend, and often attaining an enormous 

 size, present themselves to view, their branches also covered 



