ir
convex side, more rarely from the outer edge, these particular spores
emit a conical process, generally shorter than themselves, and
directed perpendicularly to the axis of their figure. This appendage
becomes filled with protoplasm at the expense of the spore, and its
free and pointed extremity finally dilated into a sac, at first
globose and empty. This afterwards admits into its cavity the plastic
matter contained in its support, and, increasing, takes exactly the
form of a new spore, without, however, quite equalling in size the
primary or mother spore. The spore of the new formation long retains
its pedicel, and the mother spore which produced it, but these latter
organs are then entirely empty and extremely transparent. Sometimes
two secondary spores are thus engendered from the same spore, and
their pedicels may be implanted on the same or on different sides, so
as to be parallel in the former case, and growing in opposite
directions in the latter. The fate of these secondary spores was not
determined.

[Illustration: FIG. 80.--Germinating spore and (_a_) corpuscles of
_Dacrymyces deliquescens_.]

In _Dacrymyces deliquescens_ are found mingled amongst the spores
immense numbers of small round or ovoid unilocular bodies, without
appendages of any kind, which long puzzled mycologists. Tulasne
ascertained that they are derived from the spores of this fungus when
they have become free, and rest on the surface of the hymenium. Each
of the cells of the spore emits exteriorly one or several of these
corpuscles, supported on very short slender pedicels, which remain
after the corpuscles are detached from them. This latter circumstance
evidences that new corpuscles succeed the firstborn one on each
pedicel as long as there remains any plastic matter within the spore.
The latter, in fact, in consequence of this labour of production,
becomes gradually emptied, and yet preserves the generative pedicels
of the corpuscles, even when it no longer contains any solid or
coloured matter. These pedicels are not all in the same plane, as may
be ascertained by turning the spore on its longitudinal axis; but it
often seems to be so when they are looked at in profile, on account of
the very slight distance which then separates them one from another.
It will also be remarked that they are in this case often implanted
all on the same side of the reproductive body, and most often on its
convex side. Their fecundity is exhausted with