Source : Webster's Revised Unabridged Dictionary (1913)

Cryptogamian \Cryp`to*ga"mi*an\ (kr?p`t?-g?"m?-a]/>n),
Cryptogamic \Cryp`to*gam"ic\ (kr?p`t?-g?m"?k), Cryptogamous
\Cryp*to"gam*ous\a.
   Of or pertaining to the series Cryptogamia, or to plants of
   that series.

Source : WordNet®

cryptogamous
     adj : of or relating to a cryptogam [syn: {cryptogamic}]