Messrs.W. L. Black and K. W. Parker of the New Mexico College of Agriculture and Mechanic Arts have published a very informative and valuable paper, Toxicity tests on African rue. The mediterranean-west Asiatic plant refereed to is Peganum harmala L., which, the authors report, is introduced, established, and spreading in an area 4 miles east of Deming, New Mexico, - apparently the first record of its occurence in this country.