FOREST TEEES OF THE PACIFIC SLOPE. 237 



its habit when of tree size, and nothing of the character and appearance of the 

 bark and wood, concerning which further study is required. The yearling 

 twigs are thick and densely covered with white hairs (fig. 101) : later the twigs 



Fig. 102. — Suiix alaxensis. 



lose this covering, and the somewhat shiny, dark purple bark beneath is 

 exposed. Mature leaves (fig. 102), yellowish-green, are rendered unique by 

 being densely coated with pure white, shiny hairs on their under surfaces, but 



15188—08 16 



