At first, no-one noticed the bulbous invaders resting in the dirt. Awaiting the signal from Tan-en-baum, their leader, to awake and begin converting the native species to fertilizer. One by one, the farmers disappeared. But then, Ortho came up with a better nutrient for the native bulbs.... And the Un'nions became overfed and went comatose. And the Orthos were the only ones who knew about the invaders..... and smiled as they ate their hamburgers with onions....