How To Use Archegonial In A Sentence
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The leaves below the archegonial group are frequently modified in size and shape, but the chief protection is afforded by a tubular perianth, which corresponds to a coherent whorl of leaves and grows up independently of fertilization.
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"
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It remains for long enclosed within the calyptra formed by the further development of the archegonial wall and surmounted by the neck of the archegonium.
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"
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The upper portion of the archegonial wall is carried up as a calyptra on the sporogonium, which, as in _Sphagnum_, has no seta and is raised on a pseudopodium.
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"
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_G_, archegonial branch of common liverwort, natural size.
Elements of Structural and Systematic Botany For High Schools and Elementary College Courses
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Further stages of the development of the sporogonium (f) enclosed in the calyptra formed from the archegonial wall (c) and still bearing the neck (h).
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"
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The sex organs appear about 5 weeks after sowing. The antheridia consist of 3 cells. The archegonial neck usually consists of 4 rows and 4 columns of cells at maturity.
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The very large, thin-walled spores escape on the decay of the capsule, which ruptures the archegonial wall irregularly.
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"
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The upper portion of the archegonial wall is carried up as a calyptra on the sporogonium, which, as in _Sphagnum_, has no seta and is raised on a pseudopodium.
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"
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The archegonial groups occupy the apices of short branches (fig. 13, A.).
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"
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A. Longitudinal section of the very young sporogonium (f, f ') enclosed in the archegonial wall (b, h).
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"
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The same holds even more obviously for the grouping of the stegocarpous forms into those in which the archegonial group terminates
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"
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It remains for long enclosed within the calyptra formed by the further development of the archegonial wall and surmounted by the neck of the archegonium.
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"
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The archegonial groups in _Corsinia_ are sunk in a depression of the upper surface, while in _Targionia_ they are displaced to the lower side of the anterior end of a branch.
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"
