30 



PLATE 6 



Figure 



1 Artisophyton mclayi, ISM 1782, 

 scale 1:1, Du Quoin, Perry 

 County, Illinois. 



Artisophyton insignis, ISGS PB-3299, 

 scale 1:1, Energy Shale, 

 Old Ben No. 11 Mine, Christopher, 

 Franklin County, Illinois. 



Artisophyton insignis, ISM 14555, 

 scale 1:1, Francis Creek Shale, 

 Langford Collection. 



