As representing in a high degree both the qualities you mention, Madam President, returned Tom, with a bow, "I take upon myself the duty of replying that perhaps you and Roger do because you've studied botany, and maybe Margaret and James do because they've had a garden, and it's possible that the Ethels and Dorothy do inasmuch as they've had the great benefit of your acquaintance, but that Della and I don't know the very first thing about leaves except that spinach and lettuce are good to eat."