92 



Fig. 175. Selaginelld atroviridis, microspore; sclcrine stratification (x 2000) 



and distal face (x 1000). 



Fig. 176. SelagineUa hiformis, microspore. From left to right: lateral view 

 (X 250); distal face (x 1000); exine stratification (x 2500). 



Fig. 177. SelagineUa eggersii, microspore, a, distal (left) anci proximal face 



(right; surface and section); b, sclerine stratification; c, dilTerent types of 



processes; d-f, aberrant microspores. — a, d-f x 1000; b, c x ^2000. 



