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FOREST TREES OF THE PACIFIC SLOPE. 



Alaska. — Southeastern end, on sea side of Coast Range, from sea level to 3,000 feet, 

 northward in small numbers, to Wrangell, on mainland, and to Sitka on Alexander 

 Archipelago ; farther northward, sparingly represented on Douglas Island (opposite 

 Juneau) and on Portage Bay, head of Lynn Canal (lat. 59° 20'), the northern limit. 

 Locally noted as follows: South end of Mitkof Island (opposite Wrangell) ; entrance to 



Fig. 60. — Thuja plicata: a, branch with open cones; b, seed. 



Steamer Bay (Etolin Island) ; Yes Bay (Cleveland Peninsula) ; Ketchikan Valley (Re- 

 villagigedo Island) ; Klowak (Prince of Wales Island) ; Kaigan (Bella Bella Island). 



British Columbia. — Sea slopes of Coast Range and islands from sea level to about 

 2.400 feet ; not in interior plateau, but on slopes of southern Gold and Selkirk mountains, 

 and on west side of Continental Divide, Coast Range region of heavy rainfall, mostly on 



