 After the meal, the Blathereen—Leef and Tree—give Sarah Jane a Raxacoricofallapatorian plant called Rakweed.They explain that the plant "can grow anywhere, even in the harshest conditions," adding that because the people of Earth would be suspicious if the plant came directly from the Blathereen, that they would like Sarah Jane to be their ambassador.Mr Smith analyses the plant and deems it not to be dangerous, but the following night it starts to mutate.