414 PROCEEDINGS OF THE INDIANA ACADEMY OF SCIENCE. 



FILICALES AND PTERIDOSPERMALES 



Genus Sphenopleris Broiigniart 

 Sphenopieris ccnuniinis Lx. 

 PL I, Figs. 4, 5 and 7. 

 1884. Sphenopleris coinmuni.s Lesquereux, Coal Flora, Vol. Ill, p. 762, pi. 

 CIV, figs. 1, la. 

 The fossils referred to this species agree eloselj' with the forms descrilied 

 by Lesquereux as .S'. com m itiiis. This specimen is interesting in that it is fertile. 

 Figs. 5 and 7 show the reduced lamina and small, quadrivalvate, eupular 

 fructifications, probably belonging to the genus ZeiUeria, attached to the 

 ends of the principal nerves. Those details are better indicated in the en- 

 larged text figure. 



F.g 1. Part of fruiting frond of Sph'uoptoris communis (x3i) 



Sphenopleris cf. inequilateralis Lx. 

 PI. II, figs. 6, 7. 

 A few fragments of a plant comparable with S. inequilnleralis were found 

 in the Yoho School district. Those fragments agree rather closely with 



