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
In this Inner Coat in a _Bean_, the _Lignous Body_ or _Seed-Branch_ is
distributed: Sometimes, as in _French-Beans_, throughout the whole Coat;
as it is in a Leaf: In the Great _Garden-Bean_, upon its first entrance,
it is bipartite, and so in small Branches runs along the Circumference of
the Coat, all meeting and making a kind of Reticulation against the Belly
of the _Bean_. In the same manner the main Branches in the outer Coat of
a _Kernel_, circling themselves on both hands from the place of their
first entrance, at last meet, and mutually inosculate.
So that all the Parts of a _Vegetable_, the _Root_, _Trunk_, _Branch_,
_Leaf_, _Flower_, _Fruit_ and _Seed_, are still made up of two
substantially different Bodies.
And as every Part hath two, so the whole _Vegetable_ taken together, is a
composition of two only, and no more: All properly Woody Parts, Strings
and Fibres, are one Body: All simple _Barques_, _Piths_, _Parenchyma’s_
and _Pulps_, and as to their substantial Nature, _Pills_ and _Skins_
likewise, all but one Body: the several Parts of a _Vegetable_ all
differing from each other, only by the various Proportions and Mixtures,
and variously sized Pores of these two Bodies. What from these two
general Observations might reasonably be inferr’d, I shall not now
mention.
The fourth and innermost Cover we may call the _Secondine_; the sight
whereof, by cutting off the Coats of an _Infant-Bean_, at the Cone
thereof in very thin Slices, and with great Caution, may be obtain’d.
While unbroken, ’tis transparent; being torn and taken off, it gathers
up into the likeness of a Jelly, or that we call the _Tredle_ of an Egg,
when over-boyl’d. This _Membrane_ in larger or elder _Beans_, is not
to be found distinct; but becomes as it were the Lining of the inner
Coat: But (as far as our Enquiries yet discover) it may in most other
_Seeds_, even full grown, be distinctly seen; as in those of _Cucumber_,
_Colocynthis_, _Burdock_, _Carthamum_, _Gromwel_, _Endive_, _Mallows_,
&c. ’Tis usually so very thin, as in the above-nam’d, as very difficultly
to be discover’d. In some _Kernels_, as of _Apricots_, ’tis very thick;
and in some other Seeds. That all these have the Analogy of one and the
same Cover, which I call the _Secondine_, is most probably argu’d from
their alike Natures; being all of them plain simple _Membranes_, with
not the least Fibre of the _Lignous Body_ or _Seed Branch_, visibly
distributed in them; as also from their Contexture, which is in all of
them more close.
The Concave of this _Membrane_ is filled with a most transparent
Liquor, out of which the Seed is formed; as in cutting a _petite_ and
_Infant-Bean_, may be seen; and yet better in a young _Walnut_. In
_Beans_ I have observed it to turn, upon boyling, into a tender white
_coagulum_.
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