Found 1 items, similar to The Age of Acrogens.
English → English (gcide)
Definition: The Age of Acrogens
Acrogen
\Ac"ro*gen\, n. [Gr. 'a`kros extreme, high + -gen.]
(Bot.)
A plant of the highest class of cryptogams, including the
ferns, etc. See
Cryptogamia.
[1913 Webster]
The Age of Acrogens (Geol.), the age of coal plants, or the
carboniferous era.
[1913 Webster]