THE FOSSIL FERNS. 



183 



We add a figure of C. Beanii (fig. 117), from Lindley and 

 Button, PL 44. 



Fia. 117. 



Glossopteris, from yXcoo-o-a, a tongue, and irrepis, a fern. 



Leaves simple, entire, somewhat lanceolate, narrowing 

 gradually to the base, with a thick vanishing mid-rib ; veins 

 oblique, curved, equal, frequently dichotomous, or sometimes 

 anastomising, and reticulated at the base. 



Two species in the coal. 



One species in the lias. 



One species in the oolite. 



The subjoined illustration depicts G. PJiillipsii (fig. 118), 

 from Lindley and Hutton, PL 63. 



FIG. 118. 



Neuropteris, from vevpov, a nerve, and Trrepis, a fern. 



