mushromes

They are like the mushromes, sprung up in a night, and dead in a day; and such is the greedinesse of men's natures (in these Athenian dayes) of new, that they will rather feigne then want it. "

Microcosmography or, a Piece of the World Discovered; in Essays and Characters John Earle

The sides of the hill are of overhanging rock, "bearing out like mushromes, so that it is impossible to ascend it" except by a passageway "cut out within the

Rime of the ancient mariner Samuel Taylor Coleridge 1803