NEVRODIUM. 139 



GENUS VI. 



NEVRODIUM. Fee. 



There is only a single representative of tliis genus. 



Frond simple, lanceolate in form, the upper half of which 

 is fertile and contracted. 



Veins anastomosing. 



Sori linear, continuous, and marginal. 



This genus has much the appearance of a Pteris destitute 

 of an indusium. 



