The Conducting Tissues of the Bryophytes.1977. (Bryophytorum Bibliotheca,10).80 plates.XI,157 p.gr8vo.Cloth. Reprint 2004.

Contents(partly):I.Structures involved in conduction(Preliminary remarks/Structural variability/Structures involved in external conduction/Cells specialized in water storage and/or conduction,but which cannot be compared in a precise manner to Xylem and Phloem in Tracheophytes/Elements of dubious evolutionary significance,but which have been related to the conducting tissues of vascular plants by certain authors/Conducting tissues of Bryophyte swhich are more or less comparable to Xylem and Phloem of true vascular plants/A structure of particular importance in Bryophytes:the contact-zone between Gametophyte and Sporophyte)/ II.Physiology of conduction(Water relations/ Transport of organic compounds/Physiology ofthe sporophytic-gametophytic interphase in Bryophytes)/III.Some evolutionary problems related to conduction tissues in Bryophytes/References.