"Funny," Q murmurs. "You'd think they'd be green." He inspects a plant. "I don't see any signs of wilt or hear any screaming," he says. He's trying to distract Severus from his glumness. Doesn't matter if he knows- as long as it works. Q can't hear what Remus and Sirius are saying, but it doesn't matter; it'll help. "But if that's true, I've got some wicked dandelions I could use your help with. I think the roots go all the way to China."