Postelsia 183 
couver Island, except close to the sea along the 
west coast, where it is rare and seldom reaches 
large size. A few miles inland, however, it 
grows to magnificent proportions. 
Section 5. Hu-Abies 
Leaves linear, flat or rarely tetragonal, sessile 
or short-petioled, spirally inserted, but on later- 
al branches usually twisted into a somewhat 
two-ranked arrangement, without sterigmata, 
leaving circular scars when they fall from the twig, 
persistent in drying, furnished with two lateral 
resin ducts. Bark of young tree usually smooth 
and with numerous resin vesicles, that of older 
trees often thick and rugose. Flowers axillary. 
Staminate flower composed of numerous short- 
stalked stamens, pendulous, oval or oblong, with 
a slender, often much elongated pedicel; anther 
sacs opening transversely or obliquely, sur- 
mounted by a short knob-like projection or a 
more or less orbicular crest; pollen grains with 
bladder-hke appendages.  Pistillate flower short- 
stalked, erect, usually situated upon the topmost 
branches of the tree, the bracts much exceeding 
the scales. Fruit an erect cone, the bracts longer 
