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Webster 1913 Edition
Cryptogamia
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Crypˊto-ga′mi-a
(kr?pˊt?-g?′m?-?)
, Noun.
pl. 
Cryptogamiæ 
(-[GREEK])
. [NL., fr. Gr. 
κρυπτόσ 
hidden, secret + γάμοσ 
marriage.] (Bot.) 
The series or division of flowerless plants, or those never having true stamens and pistils, but propagated by spores of various kinds. 
IV. . The molds, mildews, mushrooms, puffballs, etc., which are variously grouped into several subclasses and many orders. The Lichenes  
or Lichens are now considered to be of a mixed nature, each plant partly a Fungus and partly an Alga.