Oh, Shmoop is a home where the buffalo roam, where the nerds and the coolest kids play; where never is heard a discouraging word, and the Shmoints do flow freely all day.
Old lady Wyatt is Emily's great-aunt (on her father's side, we believe). Before her death, according to the townspeople, old lady Wyatt is "completely crazy" (2.11). She seems to be in the story to suggest that insanity runs in Emily's family.