Plate LX1.V L 



PAGE. 



Fig. 6. SEPTOPOBA BISEBALIS var. NEBVATA Ulr 632 



A frond of the natural size, showing the stronger and thinner branches 

 and the somewhat pinnate arrangement of the latter. 

 Upper Coal Measures, Montgomery Co., 111. 

 Illinois State Museum. 



Fig. 7. SEPTOPOBA PINNATA Ulr. (See also PI. LXV) ffi 



The reverse aspect of a frond of this species, natural size. 

 Upper Coal Measures, Jasper Co., 111. 

 Illinois State Museum. 



