50 postelsta 



which, although it varies, is in general as follows: 

 Thuja plicata Tsiiga hetcrophyUa 



Picea sitchcnsis Piiiiis monticola 



and now and then Taxiis brevifolia 



The typical underbrush is much like that 

 found nearer the sea, another species of Vac- 

 cinium, Vacciniiiui ovaliini, is found now and 

 then. U])on the more or less open knolls to- 

 gether with Vacciniums and Menziesias, small 

 and stunted trees of Thuja plicata and Tsuga 

 hetcrophyUa frequently appear. Lycopodiums 

 are met with on these ridsres. The herbaceous 

 undergrowth is rather scanty and consists only 

 of a few grasses and sedges together with Camus 

 canadensis and Lilium columhianum. 



Interior bogs and swamps. — Swampy places 

 and Sphagnum bogs are of frequent occurence 

 in the forest. As a general rule they are not 

 large in size and sometimes the forest continues 

 uninterrupted over the swampy area. In other 

 places there are distinct openings or clearings 

 usually in the form of modified Sphagnum bogs 

 through which the forest is gradually encroach- 

 ing but has not been able to establish itself. It 



