An Alaskan Raspberry
This Alaskan berry has qualities that entitle it to consideration on its own behalf, at least in the region where it is native. Mr. Burbank is using it in hybridizing experiments; and his success with the Siberian raspberry and other types of wild fruit leads him to think that interesting developments will result from the combinations of the Alaskan berry with other races.
This image is from: Luther Burbank: his methods and discoveries and their practical application. Volume 6 Chapter 2