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EXPLANATION OF THE PLATE, 



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Plate DCXVIL Abies nobilis. 



1. A branch with staminate flowers, natural size, 



2. An anther, end view, enlarged. 



3. An anther, seen from below, enlarged. 



4. A branch with pistillate flowers, natural size. 



5. A scale of a pistillate flower, upper side, with its bract and ovules, 



enlarged. 



6. Vertical section of a scale of a pistillate flower, with its bract and 



ovules, enlarged. 



7. A fruiting branch, natural size. 



8. A cone-scale, lower side, with its bract, natural size. 



9. A cone-scale, upper side, with its seeds and bract, natural size. 



10. A seed, enlarged. 



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11. An embryo, enlarged. 



12. A leaf of a sterile branch divided transversely, upper side, enlarged. 



13. A leaf of a leading shoot divided transversely, lower side, enlarged. 



14. A leaf of a lower sterile branch, natural size. 



15. A leaf of a cone-bearing branch, natural size. 



16. Cross section of a leaf of a fertile branch, magnified fifteen diameters. 



17. A seedling plant, natural size. 



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