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EXPLANATION OF THE PLATE. 



Plate DCL Picea Bbeweriaj^a. 



1. A branch with stamlnate flowers, natural size. 



2. An anther, front view, enlarged. 



3. An anther, side view, enlarged. 



4. A branch with pistillate flowers, natural size. 



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



6. A scale of a pistillate flower, lower side, with its bract, enlarged. 



7. A fruiting branch, natural size. 



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



9. Cross section of a leaf magnified fifteen diameters. 



