Protonema

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Protonema \Pro`to*ne"ma\, n.; pl. {Protonemata}. [NL., fr. Gr. ?
     first + ?, ?, a thread.] (Bot.)
     The primary growth from the spore of a moss, usually
     consisting of branching confervoid filaments, on any part of
     which stem and leaf buds may be developed.
     [1913 Webster]