Janice followed Professor to the depths of the greenhouse. Janice had never thought that Greenhouse Two could be this big, judging from the size when it I lookd from the out side. The Unetected Extension Charm would have done the job. Then, the group came to a halt when Professor indicated the students to name a plant.

That is definitely Dittany, Janice thought. The essence of dittany heals cuts. She knew that by her own personal experience, and those experience hurt. A lot.

"That's Dittany, isn't it, Professor?" She said after raising her hand.