Kurumi smiled as Professor Bentley began the lesson, but her eyes never left the toadstools behind the woman...and she hoped that Walnut was hiding somewhere in the Gryffindor common room and not anywhere here in the green houses.

After the question was posed, Kurumi's hand shot up. "A toadstool, as has already been mentioned, is a mushroom. However, usually when one refers to a mushroom as a toadstool, they are talking about the shape and referring to a mushroom that is not suitable for eating or is poisonous." She paused for a moment to collect her thoughts a bit more. "I believe I have also read that some people think the name comes from poisonous frogs that excrete poison from their skin...or that toads really liked sitting on this particular type of mushroom." Hence the stool...being used by a toad...