supply of herbal medicines.” She opened a cabinet, and Donna came to look at the display, which she found pretty impressive. Boxes of tea, jars of ointments, various cologne bottles, everything labeled with their Latin names and a tiny picture. Donna recognized many of them. Suddenly, her eyes landed on a large bottle of darkish yellow lozenges labeled “Hypericum perforatum.”

“Roxanne, you have St. John’s wort!”

“You know herbalism, Donna?”

“Some, not much, but this is exciting. I have a friend who really needs to try it. Do you think you could give me a few? I can summon him for five minutes if you don’t mind.”

“Of course, any friend of yours is welcome to it,” said Roxanne graciously. “Does he suffer from...

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