Snape raked an eye across the students, who quieted obediently. His expression was dark - nothing new there, Gallel thought - as he intoned, "The potion you will all be *attempting* to do correctly today is a Trueform Potion. While originally designed to expose Fairies hiding in human form, it can also be used to tell when an angel or demon is doing likewise. Open your tomes to page 44 and do *not* spill anything today, Neville."

Gallel tried to catch Yulelei's eye. The blasted fellow hadn't even noticed the problem there! He was just diving into his studies like *always*. At least he was studious and obedient enough that Snape *liked* him.... Gallel doubled over. "S-sir!" He raised a hand shakily.

Snape's eagle gaze swivelled to focus on her. "What *is* it *this* time, Gail?"

She whimpered. "My tummy hurts, sir. I think I may be allergic to the Saint John's Wort. The smell is making me feel all..."

The Potions Master's brows drew down. "All?"

"...Icky." She made pained faces at him.

"While I doubt," Snape said darkly, "That it is in fact possible to be allergic to Saint John's Wort, you may nevertheless go visit Madame Pomfrey, though you *will* return after classes to do a make-up assignment."

"Yes, sir." She stumbled out her chair.

Snape commanded, "Yule, go with her."

Yulelei looked up, disappointed, from his potion. "But sir-"

"Go. You shall also return for a make-up assignment."

Lucky, Gallel thought. She reached for Yulelei's hand and dragged him from his seat, leaning on him. "Come *on*..."

"After all," Snape finished, eyes sharp on the pair, "We wouldn't want you to risk ... exposure."

Gallel winced. "...thank you sir." She dragged her fellow Reliever out of the room, as fast as her little Windy legs could go.