1) Fungus genus 2) Genus tremella 
Tremella is a genus of fungi in the family Tremellaceae. All Tremella species are parasites of other fungi and most produce anamorphic yeast states. Basidiocarps (fruit bodies), when produced, are gelatinous and are colloquially classed among the `jelly fungi`. Over 100 species of Tremella are currently recognized worldwide. Two species, Tremell.....
• (n.) A genus of gelatinous fungi found in moist grounds.
(from the article `Basidiomycota`) Jelly fungus is the common name for several species of the cosmopolitan order Tremellales, including those of the genus Tremella (40 species), so ...
[n] - fungi with yellowish gelatinous sporophores having convolutions resembling those of the brain
genus Tremella noun fungi with yellowish gelatinous sporophores having convolutions resembling those of the brain