Conical or half-egg-shaped cap, often of felt, worn in Ancient Greece and Rome and by ecclesiastics.
A fruiting structure resembling an umbrella or a cone that forms the top of a stalked fleshy fungus such as a mushroom.
1However, the pileus expansion mechanism related to CO 2 is still unknown.
2The pileus becomes thin when old, and is dry, not moist.
3Did he wear the cap of liberty, the pileus, at his master's funeral?
4The attachment to the pileus is to be noted.
5There is no flesh, and the pileus is dry.
6They are placed under the pileus just as the gills are situated, and contain the spores.
7Carbon dioxide is commonly used as one of the significant environmental factors to control pileus expansion during mushroom cultivation.
8When mature, it has a soft, convex, moist, smooth pileus, with a solid, somewhat bulbous stem, tinted with lilac.
9The pileus is of a brownish-ochre color at first; becomes paler as it grows older, until it fades into a rich cream-yellow.
10Pileus moist; at first smooth or sprinkled with superficial whitish fibres of the veil.