THE CARBONIFEROUS AND PERMIAN FLORAS. 495 



teris, Neuropteris, Sphenopteris, and Pecopteris. There are also 

 Tree-ferns referable to the genus Psaronius. The singular 



Fig. 390. Neeggerathia expaiisa. Permian. 



genus Neeggerathia (fig. 390) is also represented in the Permian 

 Rocks. 



Fig. 391. Walchia pintformis ; a Branch ; b Twig. From the Permian of Saxony. 



(After Gutbier.) 



The Conifers of the Permian period are numerous, and 



