DUGGAR, BENJAMIN MINGE (1872— ), American botanist, was born at Gallion, Ala., on Sept. 1, 1872. He graduated at Harvard in 1895, received in 1898 the degree of doctor of philosophy from Cornell university and later studied in various universities in Germany and France, and in Naples. He was cryptogamic botanist in the agricultural experiment station and instructor and assistant professor in plant physiology at Cornell university in 1896-1901. He was physiologist in the bureau of plant industry, U.S. Department of Agriculture. in 1901-02, fol lowing which he was professor of botany in the University of Missouri until 1907 and professor of plant physiology in Cornell university until 1913. He then became research professor of plant physiology in the Missouri botanical garden and Washington uni versity, serving until 1927 when he was appointed professor of physiological and economic botany in the University of Wisconsin. He made extensive researches in plant physiology, and was editor for plant physiology of Botanical Abstracts from 1917 to 1926 when he became editor of Biological Abstracts. Among his pub lished works are Fungous Diseases of Plants (1909), Plant Physio logy (1911), Mushroom Growing (1915), and numerous research articles in scientific journals.