(She smiles, happy to have helped. How irritating though, to have forgotten words.)

I haven't ever heard of a plant that causes people to forget things before... (If only Merle were here. That's probably the only time she'll ever have that thought sincerely. Or– if only she had the rest of her journals with her... Lucretia bites her lip, thinking hard.)

Magic could be an answer, certainly, but I don't know if I'd be able to do anything about it. Ideally you'd be looking for a cleric, not an abjuration specialist.