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Margene RANIERI mranieri at bju.edu
Fri Feb 20 12:42:43 EST 1998

Does anyone out there know how to induce the formation of sporangia on
greenhouse-grown Psilotum?  For four years I have grown nice, lush,
dark-green Psilotum plants in the greenhouse, but they lack the nice,
yellow sporangia.  Is there some photoperiod, temperature, nutritional
state, etc. that I am overlooking?  Six years ago my Psilotums
produced sporangia and then, all of a sudden, they stopped.  I am not
doing anything different, as far as I know; help...

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