tricholoma pessundatum: a mildly poisonous agaric with a viscid reddish brown cap and white gills and stalk
agaric: a saprophytic fungus of the order Agaricales having an umbrellalike cap with gills on the underside
dilatory plea: a plea that delays the action without settling the cause of action; it can challenge the jurisdiction or claim disability of the defendant etc. (such defenses are usually raised in the defendant's answer)