What's the difference between hemistich and hemistichal?

Hemistich

Definition:

• (n.) Half a poetic verse or line, or a verse or line not completed.

Example Sentences:

Hemistichal

Definition:

• (a.) Pertaining to, or written in, hemistichs; also, by, or according to, hemistichs; as, a hemistichal division of a verse.

Example Sentences: