THE REASON

FOR THE DELAYED EDITION.

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The continuation of the Systema mycologicum Mycological System finally appears, delayed longer than I myself wished or the supporters of our work encouraged. But I would like them to consider what difficulties a Mycologist must struggle with, if it can even be imagined, who strives not for an ephemeral compilation of doubtful matters, but rather for a commentary that endures, with everything subjected to new scrutiny. For fungi, and especially the Gasteromycetes stomach-fungi; fungi with enclosed spores, can by no means be determined like other plants from living or dried gardens, but must be investigated in the hiding places and recesses of forests and mountains. Nor are they, like other plants, collected in a defined place at any given time of year; they are often highly sporadic and meteorological, and often only found again after many years. Nevertheless, it was necessary that each