66 POLYPODIUM LOKICEUM. 



Sori circular, sometimes biserial, yet mostly uniserial, about 

 twenty pairs on each segment when uniserial. 



A large plant in my collection has fronds thirty inches in 

 length, having the stipes eight inches in length, and the largest 

 pinnae five inches and a quarter long. 



My thanks are due to M. Schott, Director of the Imperial 

 Gardens of Vienna; Mr. Thomas Moore, the Curator of the 

 Chelsea Botanic Gardens; Mr. Stratton, the Curator of the 

 Cambridge Botanic Gardens; Mr. E,. Sim, of Foot's Cray; 

 and Messrs. Booth, of Hamburg, for plants of this species; 

 and to M. Schott; Mr. Henderson, of Wentworth; and to Mr. 

 Norman, of Hull, for fronds. 



It is in the Catalogues of Messrs. James Veitch, Jun., of 

 Chelsea; K. Sim, of Foot's Cray; Booth and Son, of Ham- 

 burg; and Edwin Cooling, of Derby. 



The illustration is from a plant in my own collection. 



