Cork: Its Origin and Industrial UsesStecher, Gilbert Erwin
Science
Cork: Its Origin and Industrial Uses
Stecher, Gilbert Erwin
Cork
In the French departments of the Landes and Gironde the Quercus
Occidentalis forms extensive woods, as also in Spain, Algeria and
in some parts of Italy, while the Quercus Suber is a native of the
Atlantic side of France and Portugal, where this tree grows to the
greatest perfection, and to which countries we are indebted for the
major part of our supply. The cork tree bears a general resemblance to
the broad-leaved kind of (Quercus Ilex, Holm) or evergreen oak, of which
species some authors consider it only a variety; but when full grown it
forms a much handsomer tree.
“In the localities to the north the cork is better than those exposed to
the south. It grows and develops in ground of very little depth, and
sometimes in ground, in appearance very stony. It is seldom found in
calcareous soil, preferring always a soil of feldspar, and like the
chestnut flourishes best in a sandy one.”[11]
[11] Consul Schenck’s Report.
The cork-oak attains a height of from six to eighteen meters, at times
reaching fifty meters[12] and measures as much as 1.22 meters in
diameter.[13] Its branches are covered with small evergreen leaves,
which are rather spongy and velvety to the touch, have a glossy
appearance and a saw-tooth edge, measuring about three to five
centimeters[14] long and one and one-half to two wide. The roots are
strong and spread considerably, and frequently are to be seen on the
surface of the ground. The flowers or blossoms make their appearance in
May; the fruit ripens in the fall or winter, from September to January,
and falling from the tree as soon as ripe. Three qualities of acorns are
to be observed according to their time of ripening and are called,
“brevas primerizas de San Miguel,” which ripen in September; the second
or middling “Martinencas,” which ripen in October and November; and
finally the “tardias Ó palo-Meras,” which ripen in December and January.
These acorns form one of the forest’s chief sources of revenue, since
fed to swine, they give a peculiarly piquant flavor to the meat, Spanish
mountain hams being noted for their excellence.[15]
[12] Meter = 3.28 feet.
[13] In a cork-wood of Montenegro (municipal district of Quart,
Province of Gerona) the property of D. Romulo Bosch, and near the
place called La Mina, we measured in August, 1877, a tree that
was 4.95 meters in circumference, breast high, and the trunk of
the tree five meters high, calculating its age between one
hundred and fifty and two hundred years old. Consul Schenck’s
Report, 1890.
[14] Centimeter = .3937 inch.
[15] Consul Schenck’s Report, 1890. Authority M. Fee.
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