title: Conjugation in ustilago violacea. I. Morphology.
mesh_terms: D001487:Basidiomycota / Q000166:cytology*; D002455:Cell Division; D002462:Cell Membrane; D002473:Cell Wall; D003227:Conjugation, Genetic; D005613:Freeze Etching; D008854:Microscopy, Electron; D008857:Microscopy, Interference; D009940:Organoids; D013997:Time Factors