Since we don't have any guesses yet here's the whole scene.
Martha, looked up from knitting a peach-colored, lacy, shawl, and said, “That juicy watermelon Maisie gave us yesterday ought to be good and cool by now.”
Her husband’s mouth began to water at the thought and he replied, “You might be right. A piece of watermelon should be real tasty with a tall glass of lemon iced tea with a sprig or two of fresh mint.”