This view in Mr. Burbank's experiment garden at Santa Rosa gives an impression of quantity-production as applied to a familiar flower. Mr. Burbank will inspect carefully each blossom in this bed, and will select the few specimens that show a tendency to vary in a desired direction. By such selection, he has developed, among others, a valuable race of scented verbenas.
This image is from: Luther Burbank: his methods and discoveries and their practical application. Volume 3 Chapter 6