Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The outer layer of cells of the spore-containing capsule of a moss.
from The Century Dictionary.
- noun In botany, the layer of cells at first surrounding the endothecium in the capsule of a moss.
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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The lower tiers [v. 04 p. 0652] form the foot, while in the upper part the first divisions mark off the columella, around which the archesporium, derived from the amphithecium, extends.
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Various
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The first periclinal division in the region forming the capsule separates an inner group of cells (the endothecium) form the peripheral layer (amphithecium).
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Various
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In _Sphagnum_, as in _Anthoceros_, the archesporium is derived from the amphithecium; in all other mosses it is the outermost layer of the endothecium.
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Various
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