PLATE IV. 



From the Middle Bagshot Beds, Bournemouth. 

 Osmunda lignitum (Giebel). 



1. Pinna, natural size. 



1 a. The same, magnified. 



2. A small pinna, natural size. 



3. A pinna, natural size. (Gardner Collection.) 



Pteris eocanica, Ett. and Gard. 



4. Portion of frond, with pinna attached to the rachis, natural size. (Gardner 



Collection.) 



5. Terminal portion of a stunted frond, natural size. (Erom the Collection of 



Mr. A. Baldry.) 



6. Terminal pinna, average size. 



6 a. Part of the same, magnified. (Gardner Collection.) 



Pteris Bournensis, Ett. and Gard. 



7. Pinna with pinnules, natural size. 



7 a. Part of the same, magnified. (Gardner Collection.) 



Phegopteris prcB-cuspidata, Ett. and Gard. 



8. A unique pinna, natural size. 



9. Portion of the reverse of the same specimen. 



9 a. Part of the same, magnified. (Gardner Collection.) 



