The term pellis refers to the cellular cortical layers of a

mushroom A mushroom or toadstool is the fleshy, spore-bearing fruiting body of a fungus, typically produced above ground, on soil, or on its food source. ''Toadstool'' generally denotes one poisonous to humans. The standard for the name "mushroom" is t ...

. The term was introduced by Dutch mycologist

Cornelis Bas Dr. Cornelis (Kees) Bas (1928 – February 10, 2013) was a Dutch mycologist. Dr. Bas was born in Rotterdam and graduated in Biology at Leiden University in 1954. In 1953, he began working at the National Herbarium of the Netherlands, as cura ...

in 1969, who distinguished different layers of the pellis as suprapellis, mediopellis and subpellis. He also distinguished various topographies of the pellis. For example, pileipellis refers to the cuticle of the mushroom pileus (or cap), while stipitipellis is the cuticle of the stipe (the stem).

References

Fungal morphology and anatomy Mycology {{mycology-stub