This relative of the beet is not very well known in American gardens in general; but it has been given much attention in recent years by Mr. Burbank. The specimens in his garden, as will appear from this photograph, are of large size and luxuriant growth; but they are still undergoing development. It is only in recent years that Mr. Burbank has given the chards especial attention.
This image is from: Luther Burbank: his methods and discoveries and their practical application. Volume 7 Chapter 6