purpureous, dark purple (purpura, purple).

Aurantiaceous, orange-colored (aurantium, an orange).

Aureous, golden-yellow.

Auriculate, ear-shaped.

Azonate, without zones or circular bands.

Badious, bay, chestnut-color, or reddish-brown.

Basidium (pl. basidia), an enlarged cell on which spores are borne.

Basidiomycetes, the group of fungi that have spores borne on a basidium.

Bifid, cleft or divided into two parts.

Booted, applied to the stem of mushrooms when inclosed in a volva.

Boss, a knob or short rounded protuberance.

Bossed, furnished with a boss or knob, bulbate.

Byssus, a fine filamentous mass.

Caespitose, growing in tufts.

Calyptra, applied to the portion of volva covering the pileus.

Campanulate, bell-shaped.

Cap, the expanded, umbrella-like receptacle of a common mushroom.

Capillitium, spore-bearing threads, often much branched, found in
puffballs.

Carnose, flesh-color.

Cartilaginous, hard and tough.

Castaneous, chestnut-color.

Ceraceous, wax-like.

Cerebriform, brain-shaped.

Cespitose, growing in tufts.

Cilia, marginal hair-like processes.

Ciliate, fringed with hair-like processes.

Cinereous, light bluish gray or ash gray.

Circumscissile, breaking at or near the middle on equatorial line.

Circinate, rounded.

Clavate, club-shaped, gradually thickened upward.

Columella, a sterile tissue rising column-like in the midst of the
Capillitium.

Concrete, grown together.

Continuous, without a break, one part running into another.

Cordate, heart-shaped.

Coriaceous, of a leathery or a cork-like texture.

Cortex, outer or rind-like layer.

Cortina, the web-like veil of the genus Cortinarius.

Cortinate, with a cortina.

Costate, with a ridge or ridges.

Crenate, notched, indented or escalloped at the edge.

Cryptogamia, applied to the division of non-flowering plants.

Cyathiform, cup-shaped.

Cyst, a bladder-like cell or cavity.

Cystidium (pl. cystidia), sterile cells of the hymenium, bladder-like.

Deciduous, of leaves falling off.

Decurrent, as when the gills of a mushroom are prolonged down the stem.

Dehiscent, a closed organ opening of itself at maturity.

Deliquescent, melting down, becoming liquid.

Dendroid, shaped like a tree.

Dentate, toothed.

Denticulate, with small teeth.

Dichotomous, paired,