130 POLYPODIUM DIVERSIFOLIUM. 



Sterile (querciform) fronds, from two to three inclies long, 

 cordate-ovate, oblong, deeply pinnatifid, with blunt oblong lobes. 



Fronds pinnate, about two feet long, (in our specimens of the 

 cultivated plant,) oblong. Pinnae alternate, distant, sessile, linear- 

 lanceolate, cuneate at the base, acuminate at the apex, crenato- 

 serrate, articulated with the brownish terate rachis, the terminal 

 pinnae similar to the rest, from five to seven inches long, and 

 about three-eighths of an inch wide, palish green, the veins 

 prominent beneath. 



Sori uniserial, on each side the costa, seated in a depression, 

 which forms a wart-like elevation on the upper surface, round, 

 placed singly between the primary veins, a short distance from 

 the costa. 



The cultivated plants have been obtained from an importation 

 by the Messrs. Rollisson, of Tooting, from Java, about 1850. 



My thanks are due to Mr. Sim, of Foot's Cray, and to Mr. 

 Parker, of Hollo way, for plants; and to Mr. Henderson, of 

 Wentworth, for barren and fertile fronds. 



It is in the catalogues of Messrs. E, G. Henderson, of St. 

 John's Wood; Parker, of Holloway; Booth and Son, of Ham- 

 burg; Sim, of Foot's Cray; Rollisson, of Tooting; A. Henderson, 

 of Pine-apple Place; and Veitch, Jun., of Chelsea. 



The illustration is from a frond sent by Mr. Henderson, of 

 Wentworth. 



