Explanation of Plate III. Hy locomium Pyrenaicinu Spruce. 
Figs. 1-2. Leaves from the middle of a growing stem. Figs. 3-4. Apical 
portions of leaves. Fig. 5. Portion of the apex of a leaf, showing the 
structure of the processes. Figures 1-4 are X 25; figure 5 X 125. 
