PLATE XVIII. SCOTCH PINE. 



1. A branch with needles and buds, x J. 



2. A cluster of two needles, x J. 



S. Cross-section of two needles, enlarged. 



4. Branch with needles; i, immature cone; m, mature cone, x i. 



5. A closed cone, x J. 



6. A cone scale with two winged seeds, enlarged. 



7. A winged seed, enlarged. 



8. A seed, enlarged. 



9. A seedling, natural size. 



10. A small portion of a branch with two pistillate flowers, x J. 



11. A branch with a cluster of staminate flowers at the base of the new growth x 



