PLATE IV. 



FlG8. 1-4. Macrotceniopteris magnifolia, (Rogers) Sekimper. Pages 18 to 22. 



Fig. 1. Leaf showing supposed fruit-dots on the stem, and at a, b, and c, the variations in the nerva- 

 tion. 

 Fig. la. Portion of the stem of Fig. 1, magnified to show more distinctly the supposed fruit-dots. 

 Fig. 2. Leaf of unusual shape, of natural size. 

 Figs. 3 and 4. Much reduced outlines, to show the two normal shapes of the entire leaves. 



