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Hooke, Robert, 1635-1703

"Micrographia Some Physiological Descriptions of Minute Bodies Made by Magnifying Glasses with Observations and Inquiries Thereupon"


There are a multitude of other shapes, of which these _Microscopical_
Mushroms are figur'd, which would have been a long Work to have described,
and would not have suited so well with my design in this Treatise, onely,
amongst the rest, I must not forget to take notice of one that was a little
like to, or resembled, a Spunge, consisting of a multitude of little
Ramifications almost as that body does, which indeed seems to be a kind of
Water-Mushrom, of a very pretty texture, as I else-where manifest. And a
second, which I must not omit, because often mingled, and neer adjoining to
these I have describ'd, and this appear'd much like a Thicket of bushes, or
brambles, very much branch'd, and extended, some of them, to a great
length, in proportion to their Diameter, like creeping brambles.
The manner of the growth and formation of this kind of Vegetable, is the
third head of Enquiry, which, had I time, I should follow: the figure and
method of Generation in this concrete seeming to me, next after the Enquiry
into the formation, figuration; or chrystalization of Salts, to be the most
simple, plain, and easie; and it seems to be a _medium_ through which he
must necessarily pass, that would with any likelihood investigate the
_forma informans_ of Vegetables: for as I think that he shall find it a
very difficult task, who undertakes to discover the form of Saline
crystallizations, without the consideration and prescience of the nature
and reason of a Globular form, and as difficult to explicate this
configuration of Mushroms, without the previous consideration of the form
of Salts; so will the enquiry into the forms of Vegetables be no less, if
not much more difficult, without the fore-knowledge of the forms of
Mushroms, these several Enquiries having no less dependance one upon
another then any select number of Propositions in Mathematical Elements may
be made to have.


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