﻿lamina seen from the ventral side showing a longitudinal row of 

 hair-leaves on the dorsal side, 一 Fig. II : tetrasporic pinnulae 

 seen from the ventral side, ^ -. ~ Fig. 12 : portion of the same 

 seen from the ventral side to show 2 " cover-cells, — Fig. 13： 

 portion of the same seen from the dorsal side, -\ -. 



