TEXTBOOK OF BOTANY 



F'iG. 401. Sitka spruce and western hemlock forest near the Alaskan coast. Alaskan 

 Aerial Survey Expedition, 1929. Photo from U. S. Forest Service. 



Fig. 402. The Sitka spruce and western hemlock cover vast areas in the \'alleys 

 and slopes of southern Alaska. Alaskan Aerial Survey Expedition, 1929. Photo 

 from U. S. Forest Service. 



