As`co*my*ce"tes (?), n. pl. [NL.;
ascus + Gr. &?;, &?;, fungus.] (Bot.)
A large class
of higher fungi distinguished by septate hyphæ, and by having
their spores formed in asci, or spore sacs. It comprises many orders,
among which are the yeasts, molds, mildews, truffles, morels,
etc. -- As`co*my*ce"tous (#), a.
© Webster 1913.