Abstract
Rolla Tryon, a member of the American Fern Society since 1932 and one of the twentieth century's most eminent students of pteridophytes, was born on August 26, 1916 in Chicago, Illinois. His father, a professor of American history and education at the University of Chicago, maintained a summer cottage in Chesterton, Indiana in addition to his home in Chicago. Rolla's fascination with ferns and fern allies developed during boyhood forays from that Ches-
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