following manner.

The wheat should be damped with water containing 10 parts in 100 of
alcoholized caustic soda; at the expiration of one hour the envelopes of
the pericarp, and of the testa Nos. 2, 3, 4, 5, should be separated by
friction in a coarse cloth, having been reduced by the action of the alkali
to a pulpy state; each berry should then be opened separately to remove the
portion of the envelope held in the fold of the crease, and then all the
berries divided in two are put into three parts of water charged with
one-hundredth of caustic potash. This liquid dissolves the gluten, divides
the starch, and at the expiration of twenty-four hours the parts of the
berries are kneaded between the fingers, collected in pure water, and
washed until the water issues clear; these membranes with their embryos,
which are often detached by this operation, are cast into water acidulated
with one-hundredth of hydrochloric acid, and at the end of several hours
they should be completely washed. The product obtained consists of
beautiful white membranes, insoluble in alkalies and diluted acids, which
show under the microscope beautiful cells joined in a tissue following the
embryo, with which it has indeed a striking analogy in its properties and
composition. This membrane, exhausted by the alcohol and ether, gives, by
an elementary analysis, hydrogen, oxygen, carbon, and azote. Unfortunately,
under the action of the tests this membrane has been killed, and it no
longer possesses the special properties of active tissues. Among these
properties three may be especially mentioned:

1st. Its resistance to water charged with a mineral salt, such as sea salt
for instance

2d. Its action through its presence.