It appears to have free gills; brownish-pink spores; a thin saccate volva; and a habit on wood or wood debris. This would place it firmly in genus Volvariella. Uncommon. David W. Fischer Coauthor, "Edible Wild Mushrooms of North America" and "Mushrooms of Northeastern North America" E-mail: basidium at aol.com Website: http://members.aol.com/mycology