Russula emetica, commonly known as The Sickener, Emetic russula or Vomiting russula, 
is a basidiomycete mushroom of the genus Russula. 
The cap is a bright red, 3-10 cm wide, initially convex, then later flat, or depressed, sticky. 
The taste is sharp, but this mushroom should not be eaten since it is an emetic (it induces vomiting).The spore print 
is white, the gills narrowly spaced. The stipe is 4-10 cm long, 1-2 cm wide, cylindrical and white.