PLATE XLV. 



HACK 



Fig. 1-4. Lepjdostrobus princeps, Spec, nov 455 



(Two-thirds of natural size.) 

 2-3. Cross section of the same, showing the position of the sporange-bear- 



ing axis, and of the upraised blades. 

 4. Pedicel of the sporange and its blade, or Lcpidophyllum princeps. 



Fig. 5. Lepidodendron simplex, Spec, dov 454 C, . h^o , J 



Fig. C-7. Leaves of Lepidodendron. 



