180 Postelsia 
Section 4. Pseudotsuga. Carriére, Traité Conif. 
ed. 2. 256. 1867. as genus. 
Leaves flat, narrowly linear, slender petioled, 
spirally arranged, but somewhat two-ranked by 
the twisting of the petioles; leaf scars concave, 
transversely elliptical, not prominent, or raised 
on more or less prominent woody sterigmata; 
leaf grooved above, with a prominent midrib 
below, stomatiferous on under side, furnished 
with two lateral resin ducts. Staminate flower 
axillary, oblong-cylindrical, with a short pedicel 
which finally becomes considerably elongated; 
stamens short-stalked, globose, their anther sacs 
opening obliquely, surmounted by a short spur; 
pollen grains without bladder-like appendages, 
Pistillate flower in the axil of one of the upper 
leaves of the growth of the previous season, 
short stalked, with aristate, two-lobed bracts, 
much exceeding the scales. Fruit a woody 
pendulous cone; cone-scales not deciduous from 
the axis; bracts much exserted, long acuminate 
and with two prominent lateral lobes, the lower 
bracts showing a gradual transition to the form 
