Scientific American Supplement, No. 365, December 30, 1882Various
Science
Scientific American Supplement, No. 365, December 30, 1882
Various
Science -- Periodicals
CALIFORNIA CEDARS.
The incense cedar (_Libocedius decurrens_) is one of the valued trees of
the California coast and mountains. It is eminently noted for great
rapidity of growth, wonderful lightness, stiffness, and extraordinary
durability. A thousand uses have sprung up and are multiplying around
this interesting cedar as its most inestimable qualities become better
known. Fortunately it is one of the most extensively distributed trees
of the Pacific--found from the coast range north, south to San Diego,
Sierra Nevada, southern Oregon, and most of the interior mountain region
from 2,000 to 4,000 feet, and it even thrives quite well at 6,600 feet
altitude, but seeming to give out at 7,000 feet, though said to extend
to 8,500 feet, which is questionable. As usual with the sylva, flora,
and fauna, this also is found lowest along the coast, where it finds the
requisite temperature and other essentials, with combined moisture. The
base and lower trunk somewhat resembles the Western juniper (_J.
occidentalis_). It is to be noted in general that trees of such broad,
outwardly sweeping, or expanded bases seldom blow over, and to the
perceptive and artistic eye their significant character is one of
firmness and stability. One hundred to two hundred feet high, six to
nine feet in diameter (rarely larger) the shaft is often clear of limbs
80 to 100 feet, and although the lower limbs, or even dry branches, may
encumber the middle portion, pin-knots do not damage the timber. The
massive body tapers more rapidly above than redwood, and is less
eccentric than juniper, yet its general port resembles most the best
specimens of the latter. The light cinnamon bark is thick and of
shreddy-fibered texture, but so concretely compacted as to render the
surface evenly ridged by very long, big bars of bark. These sweep
obliquely down on the long spiral twist of swift water lines. The top is
conic, the foliage is in compressed, flattened sprays, upright,
thickened, and somewhat succulent; if not a languid type, at least in no
sense rigid. It bears some resemblance to the great Western arborvitae
(_Thuja gigantea_), but the tiny leaf-scales are opposite and quite
awl-pointed. The general hue of the foliage is light yellowish green,
warmly tinted, golden and bead tipped, with tiny, oblong male catkins,
as the fruit ripens in October and November. The cones are pendulous
from the tips of twigs, oblong, and seldom over three-quarters of an
inch long, little more than one-third as thick, and for the most part a
trifle compressed. The wood is a pale cream-tint in color--a delicate
salmon shade. This would hardly warrant the name white cedar, sometimes
applied to it, as well as the giant arborvitae. The extreme lightness of
the lumber and its sweetness for packing boxes will commend it for
express and commercial purposes, for posts and fencing, and especially
railway ties, for sleepers, stringers, and ground timbers of all
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