hygrophorus purpurascens: a fungus with a viscid purplish red cap and stalk; found under spruce and other conifers
waxycap: any fungus of the family Hygrophoraceae having gills that are more or less waxy in appearance
beta receptor: receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasodilation and increased heart beat)