Pileus, scaly or warted.campanulate. silky, cracked or fibrillose.umbonate. umbilicate. striate.    From Wordnik.com.  [Among the Mushrooms A Guide For Beginners] Reference

Omphalia campanella, pileus umbilicate, gills decurrent.    From Wordnik.com.  [Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.] Reference

The = cap = is convex, then plane, and sometimes depressed at the center or umbilicate.    From Wordnik.com.  [Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.] Reference

The = pileus = is fleshy, oval to bell-shaped, becoming plane, and sometimes umbilicate.    From Wordnik.com.  [Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.] Reference

The pileus is thin, umbilicate or with the center darker, the surface hairy or scaly, and the margin at first incurved.    From Wordnik.com.  [Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.] Reference

It is more erect, the branching more open, and the caps at the ends of the branches are more or less circular and umbilicate.    From Wordnik.com.  [Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.] Reference

This common and pretty species is easily recognized by its smoky or grayish color, the umbilicate pileus and very slimy stem.    From Wordnik.com.  [Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.] Reference

It is minutely velvety on the upper surface, reddish brown or cinnamon in color, expanded or umbilicate to nearly funnel-shaped.    From Wordnik.com.  [Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.] Reference

The = pileus = when young is umbilicate, the margin involute, and in age the margin becomes elevated and then the pileus is more or less funnel-shaped.    From Wordnik.com.  [Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.] Reference

The = pileus = is convex and umbilicate, somewhat membranaceous, smooth, watery in appearance, finely striate on the margin, hair brown to olive in color.    From Wordnik.com.  [Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.] Reference

The = pileus = is fleshy, thick, firm, convex, umbilicate, and then depressed in the center, becoming finally more or less funnel-shaped by the elevation of the margin.    From Wordnik.com.  [Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.] Reference

The = pileus = is convex, becoming expanded, umbilicate or depressed at the center or nearly funnel-shaped, smooth, smoky or gray with a saturated watery appearance, light gray or nearly white when dry.    From Wordnik.com.  [Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.] Reference

The = pileus = is convex, umbilicate, then depressed and more or less funnel-shaped in age, white, in the center roughened with fibrous scales as the plant ages, the scales becoming quite stout in old plants.    From Wordnik.com.  [Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.] Reference

The = pileus = is first umbilicate or depressed, becoming depressed or infundibuliform, irregular, eccentric, the margin repand, and sometimes lobed, and lobes appearing at times on the upper surface of the cap.    From Wordnik.com.  [Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.] Reference

= Gills = decurrent, pileus umbilicate.    From Wordnik.com.  [Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.] Reference

Sometimes with a depression (umbilicate).    From Wordnik.com.  [Among the Mushrooms A Guide For Beginners] Reference

= 9 = -- = Gills = decurrent, pileus umbilicate.    From Wordnik.com.  [Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.] Reference

Pileus umbilicate.    From Wordnik.com.  [Among the Mushrooms A Guide For Beginners] Reference

Changed to umbilicate.    From Wordnik.com.  [Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.] Reference

| | umbilicate.    From Wordnik.com.  [Among the Mushrooms A Guide For Beginners] Reference

Surface elevation of colonies: a, Flat; b, raised; c, convex; d, pulvinate; e, capitate; f, umbilicate.    From Wordnik.com.  [The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged.] Reference