TREES IN WILDERNESS SURVIVAL

Outer bark is not edible.

The thin inner bark of some trees may be eaten in spring.

Trees with the best inner bark are :

Birch.

Aspen, Tamarack, Maple.

Birch bark may also be used in large strips to make shelters.

Some trees when cut will bleed a sap which will harden into a lump.

If it`s soluble in water it is a gum, but if not, it is resin.

Both are nutritious.

Boil fresh green spruce needles in water so as to make a tea that is rich in vitamin C.

Poisonous Trees ;

Moosewood.

Hickory.

Laburnum.

Cedar.