Taf. XVIII, 
C. Seybicke fcfc J. Reyer del. 
I.ith. Anst. v. J. G. Bach, Leipzig. 
1. Equisetites infundibidiformis Bronn. 2. 3. Asterophyllites longifolius Sternb. sp. 4, 
Lindl. 5. Sphenophyllnm micropliyllum Sternb. sp. 6. 7. Annnlaria radiata Brongn. 
gifolia Brongn. 10. Annularia splienopliylloides Ze nk er sp. 
Pinnularia capillacea 
8. 9. Annularia Ion- 
