Exanulate or Exannulate: How To spell?
The word Exanulate is misspelled against Exannulate, an adjective meaning "Having the sporangium destitute of a ring; -- said of certain genera of ferns."
The word Exanulate is misspelled against Exannulate, an adjective meaning "Having the sporangium destitute of a ring; -- said of certain genera of ferns."