100 rOLYPODIUM PALUSTRE. 



in form, coriaceous, rounded at the base, the lower pairs fre- 

 quently proliferous at the base of the pinnse. Lateral, adherent 

 to a stout, creeping rhizoma. Stipes dark coloured near the 

 base. Habit somewhat erect. Veins pinnate and curved. 



Sori linear, medial, arcuate, eventually confluent. 



Length of frond from thirty-six to sixty inches; length of 

 pinnse from six to ten inches; colour a lively green. 



Introduced into the Royal Gardens, Kew, in 1837, by Messrs. 

 Loddiges. 



For fronds I am indebted to Mr. J. Smith, Royal Gardens, 

 Kew; Mr. Thomas Moore, of the Botanic Gardens, Chelsea; 

 'Mr. Clarke, Curator of the E-oyal Botanic Gardens, Glasgow; 

 and to Mr. Joseph Henderson, of "Wentworth. 



It may be procured of Mr. Sim, of Foot's Cray; Messrs. E. 

 G. Henderson, of St. John's Wood; A. Henderson, of Pine-apple 

 Place; and Veitch, of Chelsea. 



The illustration is from a frond forwarded by Mr. Clarke, of 

 Glasgow. 



