Volume 038: Jahns, H. Martin (ed.): Contribu- tions to Lichenology in honour of A.Henssen. Beitraege zur Lichenologie. Festschrift A.Henssen. 1990. numerous photos (some coloured). 427 p. gr8vo. Paper bd.

Contents (partly): Ahmadjian, V.: What have synthetic lichens told us about real lichens?/ Arvidsson, L.: Additions to the lichen flora of the Azores/ Brodo, I.M.: Rhizocarpon hensseniae, a cephalodiate lichen from the Northwest coast of North America/ Brown, D.H. & Brown, R.M.: Factors influencing desiccation-induced membrane damage in Peltigera horizontalis/ Buedel, B.: Anatomical adaptations to the semiarid/arid environment in the lichen genus Peltula/ Feige, G.B., Niemann, L. &Jahnke, S.: Lichens and mosses - silent chronists of the Chernobyl accident/ Follmann, G. & Mies, B.: Contributions to the lichen flora and lichen vegetation of the Cape Verde Islands VII. Some lichen records new to Greater Macaronesia/ Galloway, D.J. & Pickering, J.: Sticta ainoae,a new species from cool temperate South America/ Hafellner, J. & Rogers,R.W.: Maronina - a new genus of lichenised Ascomycetes (Lecanorales,Lecaronaceae) with multispored asci/ Hale, M.E.: New Species of Parmotrema (Ascomycotina: Parmeliaceae) from Tropical America/ etc.