If by cultivation the wild oat assumes the cultivated form, then by degeneracy cultivated oats may become wild ones.
One of the most interesting species of the genus is the Avena fatua (wild oat), well known as a weed in stiff arable soils.
Yes, he made a devoted husband, never a wild oat to sow after his marriage.
The banks of this basin were clothed with a sort of wild oat and interspersed with a small blue wild flower.
Presently some wild oat sown, brings to that home, as yet publicly undisgraced, its full-grown harvest of shame.
On every hand wheat and corn and clover had taken the place of the wild oat, the hazelbush and the rose.