For Fairy fanatics everywhere.
Like fellow Lunar Society members, he had a wide range of interests in both science and the arts and was also an active member of the Society for the abolition of the Slave Trade.
Withering is famous for a number of worthy things and an example of the wider interests is his investigation into the phenomenon of the “fairy rings” and discovered in 1792 that they were caused by the roots of mushrooms.
It just strikes me as an amazing brave and esoteric thing to do (something with which these days he would be pilloried in the popular press) when there was general belief in faeries and elves,
described below and represented in art examples attached:
A great deal of folklore surrounds fairy rings. Their names in European languages often allude to supernatural origins; they are known as ronds de sorciers ("sorcerers' rings") in France, and hexenringe ("witches' rings") in German. In German tradition, fairy rings were thought to mark the site of witches' dancing on Walpurgis Night, and Dutch superstition claimed that the circles show where the Devil set his milk churn. In Tyrol, folklore attributed fairy rings to the fiery tales of flying dragons; once a dragon had created such a circle, nothing but toadstools could grow there for seven years. European superstitions routinely warned against entering a fairy ring. French tradition reported that fairy rings were guarded by giant bug-eyed toads that cursed those who violated the circles. In other parts of Europe, entering a fairy ring would result in the loss of an eye. Fairy rings are associated with diminutive spirits in the Philippines.
Scandinavian and Celtic traditions claimed that fairy rings are the result of elves or fairies dancing. Such ideas dated to at least the mediæval period; The Middle English term elferingewort ("elf-ring"), meaning "a ring of daisies caused by elves' dancing" dates to the 12th century. In his History of the Goths (1628), Olaus Magnus makes this connection, saying that fairy rings are burned into the ground by the dancing of elves. British folklorist Thomas Keightley noted that in Scandinavia in the early 20th century, beliefs persisted that fairy circles (elfdans) arose from the dancing of elves. Keightley warned that while entering an elfdans might allow the interloper to see the elves—although this was not guaranteed—it would also put the intruder in thrall to their illusions.