PLATE VI. 



Figs. 1,2. Macrotwnioj>teris crassinervis. Feist. Pages 22 to 23. 



Fig. 1. A leaf of the smallest size. 



Fig. 2. A leaf of the maximum size. 

 Figs. 3, 3a. Acrostic-hides linnostefolius (Bunb. species). Pages 25 to 29. 



Fig. 3. Represents a portion of a pinna from the lower part of a sterile frond. 



Fig. 3 a. Pinnule of the same magnified to show the nervation. 



