How to Know the Ferns 7th ed. p. 29, Alice Josephine Smith, 1899

Illustration on page 29 of how to know the ferns (1899), 7th ed. Text from book: "fig. 1: simple frond (hart's tongue); fig. 2: pinnatifid frond; fig. 3: once-pinnate frond. ". Date: 1899.