Poisonous "sickener" mushrooms: Russula emetica and R. emetica var. fragilis.
Caption:
Poisonous "sickener" mushrooms: chocolate and scarlet colored Russula emetica and pink R. emetica var. fragilis.. . Chromolithograph from Leon Dufour's "Atlas des Champignons Comestibles et Veneneux" (1891).