Xanthidium
Pronunciation : Xan*thid"i*um, n.; pl. Xanthidia (#). [NL.
Part of Speech : fr.
Definition : Defn: A genus of minute unicellular alg? of the desmids. These alg? have a rounded shape and are armed with glochidiate or branched aculei. Several species occur in ditches, and others are found fossil in flint or hornstone.
Gr. xanqo`s yellow.] (Bot.)
Source : Webster's Unabridged Dictionary, 1913