Long, drooping leaves. You may have a Corsican Pine (Pinus nigra var. maritima)
Its bark is finely flaking, pink-grey; old trees are grey and heavily ridged.
The Corsican pine is found in parks, gardens and planted woods.
It is used for poles, building, packing boxes, fencing and chipboard.
Upper bark scaly orange-brown. You may have a Scots Pine (Pinus sylvestris)
The Scots pine is found in old parks, heaths, North uplands and planted woods.
It is used for poles, flooring, joinery and Christmas trees.
Dark red-brown bark. You may have a Lodgepole Pine (Pinus contorta var. latifolia)
Its bark has fine scales.
The lodgepole pine is found in planted woods, especially in NE Britain.
It is used for pulp, construction, flooring, joinery and poles.