Peter Gorman. Member of the residence council.

Petawawa - PNre - normal and fastigiate form (grafts)

Budworms eating on tips of white spruce. Black Brook, J.D.Irving.

Budworm damage on red spruce. Black Brook, J.D.Irving

Balsam woolly aphid damage on A. grandis. N.B adjacent hemlock. Shawinigan Division, Macmillan Bloedel.

Budworm damage on red spruce. Black Brook, J.D.Irving.

Peridermium harknessii on jack pine. N.B. repeated branching. Sapawe

Peridermium harknessii galls on jack pine. Sapawe

Peridermium harknessii galls on jack pine. Sapawe

Peridermium harknessii gall on lodgepole pine. Northwestern Pulp & Power, Hinton