In its youth up to the age of seventy or eighty years,
none of its companions forms so strictly tapered a cone from top to
bottom. As it becomes older it oftentimes grows strikingly irregular
and picturesque. Large branches push out at right angles to the trunk,
forming stubborn elbows and shoot up parallel with the axis. Very
old trees are usually dead at the top. The flat fragrant plumes are
exceedingly beautiful: no waving fern-frond is finer in form and
texture. In its prime the whole tree is thatched with them, but if you
would see the libocedrus in all its glory you must go to the woods in
midwinter when it is laden with myriads of yellow flowers about the
size of wheat grains, forming a noble illustration of Nature's immortal
virility and vigor. The mature cones, about three-fourths of an inch
long, born on the ends of the plumy branchlets, serve to enrich still
more the surpassing beauty of this winter-blooming tree-goldenrod.
The Silver Firs
We come now to the most regularly planted and most clearly defined
of the main forest belts, composed almost exclusively of two Silver
Firs--Abies concolor and Abies magnifica--extending with but little
interruption 450 miles at an elevation of from 5000 to 9000 feet above
the sea. In its youth A.
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