Tropical Lichens

• List of contributors and participants; D.J. Galloway: Biogeographical relationships of Pacific tropical lichen floras; J.A. Elix: The lichen genus Relicina in Australasia; C.W. Smith: Lichen conservation in Hawaii; G.N. Stevens: The tropical Pacific species of Usnea and Ramalina and their relationship to species in other parts of the world; P.W. Lambley: Lichens of Papua New Guinea; H. Krog: Lichenological observations in low montane rainforests of eastern Tanzania; E. Farkas: New and interesting records of Tanzanian foliicolous lichens; I. Karnefelt: Evolutionary rates in the Teloscistaceae; L. Arvidsson: Lichenological studies in Ecuador; H.J.M. Sipman: Notes on the lichen flora of the Guianas, a neotropical lowland area; M.P. Marcelli: Aspects of the foliose lichen flora of the southern-central coast of Sáo Paulo State, Brazil; S.C. Tucker, S.W. Matthews, & R.L. Chapman: Ultrastructure of subtropical crustose lichens; L. Arvidsson: On the importance of botanical gardens for lichens in the Asian tropics; J.C. Wei & Y.M. Jiang: Some foliicolous lichens in Xishuangbanna, China; P.A. Wolseley: Observations on the composition and distribution of the `Lobarion' in the forest of South-East Asia; M. Wedin: Spore ontogeny of Sphaerophorus diplotypus and S. fragilis; A. Aptroot: Tropical pyrenocarpous lichens, a phylogenetic approach; T.D.V. Swinscow: Epilogue; Index.

Tropical lichenology is just beginning to achieve the status of a coherent subject, and a conference drawing the widely dispersed lichenologists together was a very timely action.