Brown leaves disappear
Mud sticks to my shoes
Lilac symbolizes spiritual purity.
Encyclopedia of Signs, Omens, and Superstitions/Zolar
It is generally believed unlucky to take lilac into the house. In the language of flowers, a white lilac offered by a young man symbolizes the purity of his intentions. Lilac should never be given to a sick person, though, or a relapse is likely. A mauve or blue lilac symbolizes a request of marriage