Postelsia spy 
cylindrical or oval, their scales truncate or acute 
at the apex, or obovate and rounded, erose- 
dentate or entire; seeds black, about half as 
long as their broad oblique wings. 
Not reported from Vancouver Island, but 
possibly occurring on some of the higher moun- 
tains. This is the common -spruce of the in- 
terior, occurring in the Rocky, Selkirk and 
Cascade Mountains of British Columbia and 
southward to New Mexico, Arizona and Oregon. 
It can be readily distinguished from the tideland 
spruce by its pubescent twigs and quadrangular 
leaves, which have a strong disagreeable odor. 
The cones of the two species are very similar, 
and despite the difference in foliage, mistakes 
in identification appear not to be rare. 
section 2.  Hesperopeuce Lemmon, Report 
California State Board Forestry. 3:126.18g90. 
as genus. 
Leaves narrowly linear, slender-petioled, in- 
serted upon small persistent, woody sterigmata, 
spirally arranged, spreading, stomatiferous on 
all sides, without palisade tissue, with abundant 
hypodermal sclerenchyma, and with a single 
