Postelsia 195 
but leading shoots; wood dull red, very fra- 
grant; cone 12-15 millimeters long, usually with 
six fertile scales each bearing two or three seeds; 
cone-scales conspicuously mucronate; seeds 
about 5 millimeters long, with lateral wings. 
Alaska to northern California, eastward to the 
Rocky Mountains of British Columbia and 
Montana. 
Thuja plicata is abundant throughout the 
Vancouver forest especially at low altitudes. It 
ispone or the larcest trees, of ‘the region, | Al- 
though it is not as tall as the spruce and Douglas 
fiteiteexceeds: them im. trink. diameter, swhich 
Is NOtaiminequently five meters at the jbase. ~ Its 
trunk tapers rapidly, however, while those of 
the spruce and fir are almost columnar. 
This tree may be readily distinguished from 
all the other conifers of the region, with the sin- 
gle exception of Cupressus nootkatensis, by its 
small, scale-like leaves and flat spray. Its bark 
is smooth and cinnamon red in young trees, 
becoming gray and shredded with age, and 
separating from the trunk in long strips. The 
wood is of a dull reddish brown color and con- 
