Mycena leptocephala

''Mycena leptocephala'', commonly known as the nitrous bonnet, is a species of fungus in the Mycenaceae family. The mushrooms have conical grayish caps that reach up to 3 cm in diameter, and thin fragile stems up to 5 cm long. The gills are gray and distantly spaced. The spores are elliptical, typically measure 7–10 by 4–6 μm, and are white in deposit. When viewed under a light microscope, the gills have abundant spindle-shaped cystidia on the gill edges, but few on the gill faces. The mushroom.. more