EXPLANATION OF THE PLATE. 



Plate DXCIV. Larix occidentalis. 



1. A flowering branch, natural size. 



2. An anther, side view, enlarged. 



3. An anther, rear view, enlarged. 



4. An anther, front vieW; enlarged. 



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



ovules, enlarged. 



6. A fruiting branch, natural size. 



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



8. A cone-scale, upper side, with its seeds, natural size. 



9. Vertical section of a seed, enlarged. 



10. An embryo, enlarged. 



11. Cross section of a leaf, magnified fifteen diameters. 



12. A winter branchlet, natural size. 



13. A seedling plant, natural size. 



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