Here are beautiful vintage clip art illustrations of three varieties of peonies.
Fig. 2 represents a flowering branch of Peony Albiflora;
Fig. 5. represents a flowering branch of Peony Tenuifolia Flore-Pleno;
and Fig. 6. represents a flowering branch of Peony Wittmanniana. 
The images are from the Illustrated Dictionary of Gardening – A Practical and Scientific Encyclopedia of Horticulture, edited by George Nicholson, circa 1885.
Click on images to enlarge.
These are beautiful, perfect for a summer project, thank-you!
Thank you
Peonies are one of my favs…thank you.
Thanks for these lovely old images! Peonies are such pretty flowers! Can’t wait for ours to bloom again.
You’re welcome Linda, Angela, Kathleen and Cindy. I love peonies too.