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(), n. pl.[NL., from Gr. , , a fern + a plant.] (Bot.) A class of flowerless plants, embracing ferns, horsetails, club mosses, quillworts, and other like plants. See the Note under Cryptogamia. -- Pter"idophyte° (), n. This is a modern term, devised to replace the older ones acrogens and vascular Cryptogamia. スポンサード リンク
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