Webster
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Webster’s Revised Unabridged Dictionary · 1913

Pteridophyta

Pter′i·doph′y·ta (·dŏf′ĭ·tȧ), n. pl. [NL., from Gr. πτερίς, -ίδος, a fern + φυτόν a plant.] (Bot.) A class of flowerless plants, embracing ferns, horsetails, club mosses, quillworts, and other like plants. See the Note under Cryptogamia. — Pter′i·do·phyte′ (#), n.

☞ This is a modern term, devised to replace the older ones acrogens and vascular Cryptogamia.

Webster’s Revised Unabridged Dictionary, Noah Porter, editor (Springfield, Mass.: G. & C. Merriam, 1913). Public domain. Text as transcribed by MICRA, Inc., from Project Gutenberg. Changed for Deep Dive Bible: Greek, which our source spelled in Latin letters, set in Greek letters; entries of one spelling merged into one article; Greek words our source left out (shown as “?”), read from the 1898 printing, from the same plates (the Library of Congress’s copy), where the place could be found with certainty.