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acrogen

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acrogen


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Acrogen  \Ac"ro*gen\,  n.  [Gr.  ?  extreme,  high  +  -gen.]  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}. 
 
  {The  Age  of  Acrogens}  (Geol.),  the  age  of  coal  plants,  or  the 
  carboniferous  era. 
 
  From  WordNet  r  1.6  [wn]: 
 
  acrogen 
  n  :  any  flowerless  plant  such  as  a  fern  (pteridophyte)  or  moss 
  (bryophyte)  in  which  growth  occurs  only  at  the  tip  of  the 
  main  stem 




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