yaline, transparent, clear like glass.

Hygrophanous, looking watery when moist and opaque when dry.

Hygrometric, readily absorbing water.

Hymenium, the fruit-bearing surface.

Hymenophore, the portion which bears the hymenium.

Hypha, one of the elongated cells or threads of the fungus.

Imbricate, overlapping like shingles.

Immarginate, without a distinct border.

Incarnate, flesh-color.

Indehiscent, not opening.

Indigenous, native of a country or a place.

Indurated, hardened.

Indusium, a veil beneath the pileus.

Inferior, the ring low down on the stem of Agarics.

Infundibuliform, funnel-shaped.

Innate, adhering by growth.

Involute, edges rolled inward.

Isabelline, color of sole leather, brownish-yellow.

Laccate, varnished or coated with wax.

Lacerate, irregularly torn.

Laciniate, divided into lobes.

Lacunose, pitted or having cavities.

Lamella (lamellae), gills of a mushroom.

Lanate, wooly.

Leucospore, white spore.

Livid, bluish-black.

Luteous, yellowish.

Maculate, spotted.

Marginate, having a distinct border.

Micaceous, covered with glistening scales, mica-like.

Micron, one-thousandth of a millimeter, nearly .00004 of an inch.

Mycelium, the delicate threads from germinating spores, called spawn.

Nigrescent, becoming black.

Obconic, inversely conical.

Obovate, inversely egg-shaped.

Obese, stout, plump.

Ochraceous, ochre-yellow, brownish-yellow.

Pallid, pale, undecided in color.

Papillate, covered with soft tubercles.

Paraphyses, sterile cells found among the reproductive cells of
some plants.

Parasitic, growing on and deriving support from another plant.

Pectinate, toothed like a comb.

Peridium, the outer covering of a puffball, simple or double.

Perithecia, bottle-like receptacles containing asci.

Peronate, used when the stem has a distinct stocking-like coat.

Persistent, inclined to adhere firmly.

Pileate, having a cap or pileus.

Pileolus (pl. pileoli), a secondary pileus, arising from the primary
one.

Pileus (pileus, a hat), the cap-like head of a fungus.

Pilose, covered with hairs, furry.

Pore, the opening of the tubes of a polyporus.

Pruinose, covered with a frost-like bloom.

Pubescent, downy.

Pulverulent, covered with dust.

Pulvinate, cushion-shaped.

Putrescent