Saprophyte (of an organism), using dead material for active growth.

Scurfy (of the cap and stem surfaces), with small irregular loosely attached scales.

Sessile (of the fruit-bodies), lacking a stem.

Septate (of the structural units of the fruit-body), with cross-walls; septum—cross-wall.

Sinuate (of the gills), having a concave indentation of that part of the edge nearest the stem. See [Plate 32], [p. 111].

SNUFF-BROWN, a dull dark clay-brown said to resemble the colour of snuff.

Spore-print (or deposit), the mass of spores obtained by allowing the fruit-body to discharge its spores at maturity.

Stem (of the fruit-body), that structure which supports the cap (= stipe).

Sterile, a tissue or structure not involved in the reproductive process, or failing to take part.

Sterigma, the point-like structure at the apex of the basidium actually bearing the spores.