Acknowledgements

The author would like to thank Bonnie Jo Cullison, of the Newberry Library, Robert Weinberg of Graphic Conservation, and Gary Frost who read the manuscript at various stages, and whose suggestions and encouragement were instrumental in completing the work.

Additional thanks to Lynne Gilliland of the Smithsonian Institution for micro-photographs and to the staff and member institutions of the Pacific Regional Conservation Center who indulged my early fascination with fungi.

Special thanks are due Merrily Smith of the Library of Congress, for the opportunity to undertake this study, and for her patience with the numerous delays