2-715.   Same; exemption of certain plants.Such species and varieties of the Berberis, Mahonia andMahoberberis as have been or may be tested and designated asrust-resistant or immune by the bureau of entomology and plant quarantine,United States department of agriculture, are hereby declared to be exemptfrom the provisions of this act.

      History:   L. 1951, ch. 10, § 4; June 30.