The significance of the Fly Agaric in the Christmas story is multi - fold. Firstly, its appearance is very distinctive with the red and white, which can be associated with the Christmas colors. It can be thought of as a natural ornament in the forest during Christmas. Secondly, it might be part of the lore where the forest comes alive during Christmas. For example, it could be a place where forest spirits gather around these mushrooms during the Christmas period. Also, it adds a touch of the wild and untamed to the Christmas story, reminding us that Christmas is not just about human celebrations but also about the magic that exists in nature all around us during this time of year.