This shows one of Mr. Burbank's choicest varieties of new seedless grapes. They have been developed by selection, and are of delicious quality, with an added attractiveness due to the entire absence of seeds. Of course a fruit thus developed must be propagated by cuttings, and is not susceptible of further improvement, unless there should be a reversion to the seed-bearing condition.
This image is from: Luther Burbank: his methods and discoveries and their practical application. Volume 3 Chapter 7