Sam had been FAR too shocked by the whole performance to respond to the last question, even though she had some theories of how the colour changing might work. Detecting pressure, maybe, or maybe a chemical Myers had on his hands. Instead, she'd shot a completely and utterly bewildered look to Dora.

Why was Myers dressed up like a pantomime dame? What did it have to do with roses? ...and what in Merlin's Beard was their prefect doing on the table?

It was BIZARRE. And, well, lost on her.

She awkwardly sipped her tea by way of a distraction from it all, and hoped that the lesson would return to normality shortly. Which thankfully, it did, if she looked past the outfit the Professor was wearing.

"The petals 'elp attract pollinators," Sam replied. "Both the colour of 'em, and the scent."