PLATE XXVIII. 



Figs. 1-2. Lonchopteria Virginiensis, spec. uov. Pages 53 to 54. 

 Fig. 1. Summit of a large compound pinna, or of the frond. 

 Fig. la. Pinnules of Fig. 1, magnified to show nervation. 

 Fig. 2. Portion of a pinna with long acute pinnules. 



