Michigan Trees: A Handbook of the Native and Most Important Introduced Species

by Charles Herbert Otis

2. Cross-section of leaf, enlarged.

3. Unopened cone, × 1.

4. Partly opened cone, × 1.

5. Cone-scale with seeds, × 1.

PINACEAE

Scotch Pine. Scotch Fir

Pinus sylvestris L.

HABIT.—A large tree 60-80 feet high, with a trunk diameter of 1-2 feet; the side branches persist, forming a massive, wide-spreading crown.

LEAVES.—In clusters of two; 1-1/2-3 inches long; stiff, more or less twisted, spreading slightly from a short sheath; bluish- or often glaucous-green. Persistent 3-4 years.