Chromosome number evolution in stem derived calluses ofHordeum vulgare L. culturedin vitro M. L. RuizA. M. Vázquez OriginalPaper Pages: 83 - 86
Isolation and ultrastructural identification of membranes from the fungusGilbertella persicaria Martha J. PowellCh. E. BrackerD. J. Morré OriginalPaper Pages: 87 - 106
Callus induction and plantlet regeneration inCichorium intybus L.: 1. A cytological study L. CaffaroR. M. DameriA. Bennici OriginalPaper Pages: 107 - 112
Cell wall architectures in a mycorrhizal association as revealed by cryoultramicrotomy Paola Bonfante-Fasolo OriginalPaper Pages: 113 - 120
Endoplasmic reticulum in the formation of the cell plate and plasmodesmata P. K. Hepler OriginalPaper Pages: 121 - 133
Intercellular communication inAzolla roots: I. Ultrastructure of plasmodesmata R. L. OverallJ. WolfeB. E. S. Gunning OriginalPaper Pages: 134 - 150
Intercellular communication inAzolla roots: II. Electrical coupling R. L. OverallB. E. S. Gunning OriginalPaper Pages: 151 - 160