ATIlYUir.M l'ILIX-r<i:M(NA. 



1.33 





P'ig. 474.— Middle portion. 



FissiDENTE-EXCURKENS, Wollastou. (Fig. 474.) — Brought 

 before the public by Mr. Ivcry, of Dorking. A slender 

 form with fronds ciarht inches in Icnuth, and two inches in 

 width. Pinnje distant, and widest in the centre of the frond. 

 Pinnules various in form and size, some more or less normal, 

 others much cleft and laciniated, some only the midrib 

 present as a thorn-like appendage. The illustration is from 

 Messrs. Stansiield, of Todmorden. 



Fig. 475.— Upper pinna. 



Fig. 47G. — Middle pinna. 



Caudatum, Lowe. (Figs. 475 and 47G.) — A distinct slender 

 form, found in Devonshire by the Kev. Charles Padley, of 

 Beaconfield, near I'lymovith. Fength of frond eighteen inches, 

 width seven inches in the centre of the fornd, where widest. 

 Pinnae distant, the longest nearly four inches long, and scarcely 

 half an inch broad, narrow and much attenuated, caudate at 



