My fourth is in buying, but not in bought;

My fifth is in fancy, but not in reality;

My sixth is in brains, but not in vanity;

My seventh is in angels, but not in ghosts;

My eighth is in goodness, but not in hoax;

My ninth is in religion, but not in cant.

My whole is the name of a useful plant.

3. My first is in lamb, but not in beef;

My second is in mouth, but not in teeth;

My third is in Neptune, but not in sea;