No. 6.] G. M. DAWSON — BRITISH COLUMBIA TREES. 331 



Alnus rubra, Bongard. Alder. Attains the dimensions of a 

 small tree, on Vancouver and Queen Charlotte Islands and the 

 coast of the mainland. Wood sometimes employed for making 

 charcoal. 



Betula occiJentalis, Hook. Birch. Occurs sparingly over 

 almost the entire area of the province. Well grown trees 

 are found in the northern part of the Fraser basin and in the 

 Peace River couotry. 



Pojmlus tremuloides, Michx, xlspen poplar. Abounds over 

 the whole interior of the province, growing everywhere in the 

 north and characterizino' some of the most fertile lands. In the 

 southern dry portions of the interior found usually along the 

 borders of streams, and on the higher plateaux. First noticed in 

 abundance on the Skeena at about 110 miles from the sea. It 

 forms the usual second o;rowth after fires in the Peace River 

 country. Attains frequently a diameter of two feet. 



Populus trichocarpa, T. & Gr. Cottonwood. Grows chiefly 

 in the valleys of streams and on the banks of rivers, throughout 

 the province, and north-eastward in the Peace River district. 

 Frequently four to five feet in diameter. Used by the Indians 

 of the interior for the manufacture of canoes. Fopidus halsam- 

 ifera & P. monilifera may also occur in some parts of the region, 

 all going under the general name of Cottonwood. 



Arbutus Menzlesii, Pursh. Arbutus, madrona. Occurs on 

 Vancouver and the neighbouring islands, but never far from the 

 sea. It is sparingly represented as far north as Seymour Nar- 

 rows. A very handsome evergreen yielding a while close grained 

 heavy wood, resembling box. Attains a diameter of from eighteen 

 inches to two feet, and a height of fifty feet. 



Coriius Nuttallii, Aud. Dogwood. On Vancouver Island and 

 the coast of the mainland adjacent, attaining the dimensions of 

 a small tree. Wood close-grained and hard. 



