FOREST TREES OF THE PACIFIC SLOPE. 



269 



Climatic Conditions. — Similar to those of grand fir and Douglas fir. 

 Tolerance. — Appears to be the most tolerant of tree alders, especially in youth. 



Fig. 118. — Alnua oregona: a, - I. 



Reproduction. — Moderately abundant seeder; seeding habits not fully determined. 

 Seedlings abundant in rather dense and partial shade, in litter, and in exposed soil. 



1.-.188— 08 IS 



