Peonies, The Manual of the American Peony Society, edited by James Boyd © 1928 American Peony Society: [Check List of Chinese Peonies in Commerce] Double Peonies, page 50.
Princess Mary. (Kelway, 1918-22.) Pink. Not yet in general commerce.
PRINCESS MARY (Kelway, 1918-22) - Double - Pink - Midseason.
