The genus Helvella in Europe with special emphasis on the species found in Norden

Pp. 172; 39 text-figures (black-and-white photos, fine line-drawings, 20 maps.  Original printed gray wrappers, lg 8vo.  From the series:  Dansk Botanisk Arkiv, Bind 25, Nr. 1.  Helvella is a genus of ascomycete fungus of the family Helvellaceae.  The mushrooms, commonly known as elfin saddles, are identified by their irregularly shaped caps, fluted stems, and fuzzy undersurfaces.  They are found in North America and in Europe.  Well known species include the whitish H. crispa and the grey H. lacunosa.  This volume is from the private research collection of University of Michigan mycologist Alexander H. Smith with his signature at the top of the front wrapper.  No other ownership marks.