Definitions
from The Century Dictionary.
- noun In botany, an orbicular granular concretion which occurs on the thallus of lichens, and in which gonidia are localized.
Etymologies
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Examples
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A section through a cephalodium of _Peltigera aphthosa_; a, the surrounding cortex; b, the internal hyphae and the cells of the algal host; c, the supporting hyphae from the thallus below.
Ohio Biological Survey, Bull. 10, Vol. 11, No. 6 The Ascomycetes of Ohio IV and V Leafy Jane Corrington Hilker 1894
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