Definition of "indusia" [indusia]

• Plural form of indusium. (noun)

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• "Why it is confined to the under surface perhaps can, it being a law that in all cases it is the under surface of the leaf, or its modification, from which new growths originate, and as nature has closed indusia, how could the under surface be interior if this rule were not regularly adhered to?"
• "(In Greek the word means _lip flower_, alluding to the lip-like indusia.) (1) ALABAMA LIP FERN."
• "Sporangia near or on the margin of the segments, the reflexed portions of which serve as indusia."