Adriance Sherwood Foster (1901–1973) was an American botanist known for his studies of
plant anatomy. The first plant anatomist at the
University of California, Berkeley, he was a two-time recipient of a
Guggenheim Fellowship and served as president of the
Botanical Society of America and the International Society of Plant Morphologists. His textbooks
Practical Plant Anatomy and
Comparative Morphology of Vascular Plants were widely adopted and influential. Foster was born in
Poughkeepsie, New York, August 6, 1901, and earned a B.S. at
Cornell in 1923, followed by a master's (1925) and doctorate (1926) at
Harvard under
Irving W. Bailey. After earning his doctorate he spent two years in England working at the University of Leeds, and from 1928 to 1934 was professor of botany at the
University of Oklahoma. He joined the U.C. Berkeley faculty in 1934, retiring as professor emeritus in 1968. Foster died on May 1, 1973 from complications of spinal
osteomyelitis.