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Next, that as Mushroms may be generated without seed, so does it not appear
that they have any such thing as seed in any part of them; for having
considered several kinds of them, I could never find any thing in them that
I could with any probability ghess to be the seed of it, so that it does
not as yet appear (that I know of) that Mushroms may be generated from a
seed, but they rather seem to depend merely upon a convenient constitution
of the matter out of which they are made, and a concurrence of either
natural or artificial heat.
Thirdly, that by several bodies (as Salts and Metals both in Water and in
the air, and by several kinds of sublimations in the Air) actuated and
guided with a congruous heat, there may be produc'd several kinds of bodies
as curiously, if not of a more compos'd Figure; several kinds of rising or
Ebulliating Figures seem to manifest; as witness the shooting in the
Rectification of spirits of _Urine_, _Hart-horn_, _Bloud_, &c. witness also
the curious branches of evaporated dissolutions, some of them against the
sides of the containing Jar: others standing up, or growing an end, out of
the bottom, of which I have taken notice of a very great variety. But above
all the rest, it is a very pretty kind of Germination which is afforded us
in the Silver Tree, the manner of making which with Mercury and Silver, is
well known to the Chymists, in which there is an Ebullition or Germination,
very much like this of Mushroms, if I have been rightly inform'd of it.
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