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Webster 1913 Edition


Polyporus

‖

Po-lyp′o-rus

,
Noun.
;
pl.
Polypori
(#)
.
[NL., fr. Gr.
πολύσ
many + [GREEK] a pore.]
(Bot.)
A genus of fungi having the under surface full of minute pores; also, any fungus of this genus.
☞
Polyporus fomentarius
was formerly dried and cut in slices for tinder, called amadou.
Polyporus betulinus
is common in America, and forms very large thick white semicircular excrescences on birch trees. Several species of
Polyporous
are considered edible.