The Anatomy of Vegetables Begun: With a General Account of Vegetation founded thereonGrew, Nehemiah
Science
The Anatomy of Vegetables Begun: With a General Account of Vegetation founded thereon
Grew, Nehemiah
Botany -- Pre-Linnean works; Plant anatomy
Let us look upon a _Bean_ then, as a piece of Work so fram’d and set
together, as to declare a Design for the production of a Plant, which,
upon its lying in some convenient Soyl, is thus effected. First of all,
the _Bean_ being enfoulded round in its Coats, the _Sap_ wherewith it is
fed, must of necessity pass through these: By which means, it is not only
in a proportionate quantity, and by due degrees; but also in a purer
body; and possibly not without some Vegetable Tincture, transmitted to
the _Bean_. Whereas, were the _Bean_ naked, the _Sap_ must needs be, as
over-copious, so but crude and immature, as not being filtred through so
fine a Cotton as the Coats be. And as they have the use of a _Filtre_
to the transient _Sap_, so of a Vessel to that which is still deposited
within them; being alike accommodated to the securer _Fermentation_
hereof, as Bottles or Barrels are to Beer, or any other _Fermentative
Liquor_.
And as the _Fermentation_ is promoted by some Aperture in the Vessel; so
have we the _Foramen_ in the upper Coat also contrived, that if there
should be need of some more aiery Particles to excite the _Fermentation_,
through this they may obtain their Entry: Or, on the contrary, should
there be any such Particles or Steams as might damp the genuine
proceeding thereof, through this again they may have easy issue: being
that, as a common Pasport here to the _Sap_, which what we call the
Bung-hole of the Barrel, is to the new-tunn’d Liquor. That this _Foramen_
is truly permeable even in old setting _Beans_, appears upon their being
soak’d for some time in Water: For then taking them out, and crushing
them a little, many small bubbles will alternately arise and break upon
it.
The _Sap_ being passed through the Coats, it next enters the Body of the
_Bean_; yet not indiscriminately neither; but, being filtred through the
_Outer Coat_, and fermented both in the Body and Concave of the _Inner_,
is by mediation of the _Cuticle_, again more finely filtr’d, and so
entereth the _Parenchyma_ it self under a fourth Government.
Through which Part the _Sap_ passing towards the _Seminal Root_, as
through that which is of a more spacious content; besides the benefit it
hath of a farther percolation, it will also find room enough for a more
free and active fermenting and maturation herein. And being moreover,
part of the true Body of the _Bean_, and so with its proper Seminalities
or Tinctures copiously repleat; the _Sap_ will not only find room, but
also matter enough, by whose Energy its _Fermentation_ will still be more
advanced.
Public-domain text, read in full here on John Shaqi.
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