PLATE XII. WHITE PINE. 



1. Branch with needles and terminal cluster of buds, x i. 



2. A cluster of five needles, x J. 



3. Tip of needle with sharply serrate margin, enlarged. 



4. Branch with staminate flowers, x J. 



5. Branch with (a) pistillate flowers on new growth (b) one-year old cone on last season's 



growth, x |. 



6. Branch with an open and a closed cone, x j. 



7. Lower side of a cone scale, x J. 



8. Upper side of a cone scale with two winged seeds, x J. 



9. A winged seed, x J. 



10. A seed, natural size. 



11. Section of seed with embryo, natural size. 



12. A seedling, x J. 



