HIGH-INCIDENCE OF THE EDIBLE MOREL MORCHELLA-CONICA IN A JACK PINE, PINUS-BANKSIANA, FOREST FOLLOWING PRESCRIBED BURNING

Mushrooms of the ascomycetous fungus Morchella conica Fr. were observe d at a density as high as 2860 kg/ha in a Pinus banksiana Lamb. stand in May 1991 at the Petawawa National Forestry Institute, Chalk River, Ontario. This forest stand had been treated with prescribed fire the p revious fall. Mushrooms were found singly or in clusters within a radi us of 2-3 m around dead Pinus banksiana trees but not around dead spec imens of Pinus resinosa Ait. and Pinus strobus L.