(definition) by Webster 1913 Wed Dec 22 1999 at 1:10:50

Mi"cro*spore (?), n. [Micro- + spore.] Bot.

One of the exceedingly minute spores found in certain flowerless plants, as Selaginella and Isoetes, which bear two kinds of spores, one very much smaller than the other. Cf. Macrospore.

 

© Webster 1913.

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