I made the old gross potion lady in the first town give me a potion for the kooky alchemist astrologer dude but now she is being a real see you next tuesday....so if I find this lady's Herbarium will she talk to me and trade with me? I need to remove the curse on the Executioner dude! thanks brosephs. I guess I could reload but thats a shitload of text to have to comb through again....

Yes, once you get her that Herbarium she will talk to you again.