Sporophores Emerging
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Volvaria bombycina (Pers.) Fr., on maple tree trunk, Acer sp.

Left: Caps just breaking through volva. Right: Same specimen, 24 hours later, after being held in bell jar over night. Three sporophores fully expanded. Specimen in herbarium. 1942.

Image: W. Fisher. Copyright © Dept. of Plant Pathology, Cornell University