

The narrow, tapiT-pointcd, triangular leaves are very glutinous when they ■infoki. They tremble like aspen leaves, and 

 form a thin foliage mass. The long, pendulous staminate catkin shown has a slim green pistillate one above it. The flowers 

 appear in .April before the leaves are half-grown. The narrow, oblong cone has scales with two spreading side lobes. Its 

 wings are broader than the seed. The bark is dirty white and marked with a conspicuous black triangle or an inverted V under 

 each branch. The bark can with difficulty be stripped horizontally. It is not easily separable into thin sheets. The bases of 

 old trunks become dark and furrowed 



