The study of ascomycetes, especially in the tropics, is problematic because literature is scattered throughout numerous journals and is often very difficult to obtain. This book describes ascomycetes on palms following a study in Australia, Brunei and Hong Kong. Many ascomycetes genera are reviewed and more than 50 new species are described. Species are illustrated with numerous light micro- graphs. Many of the genera included are not confined to palms and it is hoped that this book will provide a basis for studying and identifying genera of temperate and tropical fungi. We hope that mycologists can use this book and enjoy studying microfungi without the frustrations of lacking literature.