1. A non-motile male reproductive cell that can function in spermatization. 2. The male gamete of the rust fungi. See pycniospore. (Pl. spermatia.) Found on http://ppathw3.cals.cornell.edu/glossary/Defs_S.htm
Sper·ma'ti·um noun ; plural Spermatia . [ New Latin ] (Botany) One of the motionless spermatozoids in the conceptacles of certain fungi. J. H. Balfour. Found on http://www.encyclo.co.uk/webster/S/160