|Department of Plant Pathology.
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Boron is an element definitely known to be essential for the normal growth of higher plants but its true role in the physiology of the plant is still a matter for conjecture. Doubtless its metabolic functions will ultimately be revealed by physiological and biochemical studies but it was thought that a thorough investigation of the influence of boron on the anatomy of the plant would constitute a desirable ground work for such researches. An indication of the role played by boron in the life of the plant, might suggest other related studies likely to yield constructive results. Accordingly the studies described below were undertaken in order to obtain a full comprehension of the anatomical features which result from an inadequate supply of boron.