The Strawberry-Raspberry Hybrid
By hybridizing the strawberry and the raspberry, Mr. Burbank produced an extraordinary plant which at first trailed along the ground like the strawberry, and then sent up tall shoots in imitation of the other parent. The hybrid plant blossomed, but unfortunately did not produce fertile fruit.
This image is from: Luther Burbank: his methods and discoveries and their practical application. Volume 2 Chapter 9