Himalaya Blackberry Bush in Bearing
The Himalaya blackberry bush was grown by Mr. Burbank from seeds sent him from India. It is a wonderfully prolific plant, a single bush furnishing fruit to the amount of several hundred pints in a season. Unfortunately the stem is very thorny, but this is a fault that is to be remedied.
This image is from: Luther Burbank: his methods and discoveries and their practical application. Volume 6 Chapter 1