ml PTILOPHYTON AND PSEUDOSPOROCHNUS 33 



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Fig. 14. Plilophyion (?) hostimeiisc, 

 (P. & B.). Type specimen from 

 tlie Middle Devonian of Bohemia. 

 After Stur (1881). 



Fig. \ 5. Pseu(losj)orocfinus 

 Krejcii, (Stur), from the 

 Middle Devonian of Bo- 

 hemia. Lower extremity 

 of axis showinji basal 

 bulb. (INIuch reduced.) 

 After Potonie and Ber- 

 nard (1904). 



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