184 Pos tels ta 
or shorter than the scales; cone-scales deciduous 
from the axis which persists for a long time. 
Seeds with conspicuous resin vesicles, winged. 
A group of about twenty-five somewhat di- 
verse species, mostly inhabiting the mountainous 
regions of the north temperate zone and the ad- 
jacent tropics. Over half the species occmrsom 
the Pacific slopes of North America and Asia. 
Only two species of Eu-Abites are reported from 
Vancouver Island, but it is highly probable that 
a third species occurs there, and the presence of 
a fourth species is possible. 
Bracts of mature cone shorter than the scales, 
leaves flat. 
Resin ducts of leaves within the paren- 
chyma, leaves blue-green and _ glau- 
cous, cones medium sized. 
Abies lasiocar pa 
Resin ducts of leaves close to the lower 
epidermis. 
Bracts of cone oblong or obcordate, 
with an abruptly acuminate apex. 
Cones medium sized. 
Abies grandis 
