Bookbinding and the Conservation of Books
A Dictionary of Descriptive Terminology

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A division or other major group of the lower plants which is often included in Thallophyta coordinate to Algae, that includes a varied assemblage of saprophytic and parasitic plants which lack chlorophyll, and which comprise the classes Phycomycetes, Ascomycetes, Basidiomycetes, and Fungi Imperfecti, and usually, in addition, the Myxomycetes and Schozomycetes.

A large number of the spores of fungi is always present in the atmosphere, and while paper is not a particularly suitable medium to support the growth of molds and fungi, under favorable conditions, such as relatively high temperature and high relative humidity. paper will support the growth of these micro-organisms, some of which have a similar action on paper to that of dry rot fungus on wood. Conditions of storage which permit the prevalence of fungi may require the use of aFUNGICIDE to inhibit and/or destroy them. (198 )

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