36 FOSSIL COAL PLANTS. 



CASEA — (n. gen.) 



75. C. membranacea, {n. sp.) 



An interesting plant, resembling somewhat, in the form 

 of its leaves, some species of Cyclopteris, but with a very 

 different nervation. I have named it in honor of my friend 

 William Case, Esq. Middlebury, Ohio. 



SPHENOPTERIS — BRONG. 



76. S. latifolia, Brong., Hist Veg. Foss., Tab. 57. 

 Cuyahoga Falls. 



77. S. obtusiloba, Brong., Op. cit. Tab. 53. 

 Cuyahoga Falls. 



78. S. furcata? Brong., Op. cit.. Tab. 49. 

 Hymenophyllites furcatus^ Goepp., Syst. Fit. Foss., 



p. 259. 



Cuyahoga Falls. 



79. S. parvifolia, (n. sp.) 

 Cuyahoga Falls. 



80. S. concinna, (n. sp.) 

 Cuyahoga Falls. 



81. S. uncinata, (n. sp.) 

 Cuyahoga Falls. 



82. S. Kirtlandiana, (n. sp.) 



This, the most beautiful fossil fern with which I am 

 acquainted, I have named in honor of my distinguished 

 friend. Prof. J. P. Kirtland. Poland, O. 



83. S. simplex, (n. sp.) 

 Poland, O. 



84. S. subspinosa, (n. sp.) 

 Cuyahoga Falls, 



