A KEY TO THE TREES

Trees with needle-like or scaly leaves (conifers)

Trees with flat leaves of varying breadth (broadleaf trees)

Trees with simple leaves, not divided into leaflets

Edges of leaves neither toothed nor lobed

Edges of leaves toothed

Edges usually lobed and toothed (some entire); fruit an acorn

Edges lobed, or toothed and lobed; fruit not an acorn

Trees with compound leaves, divided into leaflets

Leaflets arranged feather-like

Leaflets arranged finger-like