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Illustration from 1911 Encyclopædia Britannica, article BRYOPHYTA.
Original caption: FIG. 11.—Funaria hygrometrica.
A, Leafy shoot (g) bearing a young sporogonium enclosed in the calyptra (c).
B, Similar plant with an almost mature sporogonium; s, seta; f, capsule; c, calyptra.
C, Median longitudinal section of a capsule, with the seta gradually widening into the apophysis at its base; d, operculum; p, peristome; a, annulus; c, columella; s, archesporium; h, air-space between the spore-sac and the wall of the capsule.
(From Goebel's Pflanzenmorphologie, by permission of W Engelmann)
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This image comes from the 12th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired and this image is in the public domain. |
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This image comes from the Project Gutenberg archives. This is an image that has come from a book or document for which the American copyright has expired and this image is in the public domain in the United States and possibly other countries. |
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