56 ASPIDIUM THELYPTERIS. 



Forfarshire. General througliout Europe, Algiers, Cape of Good 

 Hope, New Zealaad, E-ussiaa Asia, and North America. 



Fronds lanceolate, membranaceous, erect; pinnate, pinnae 

 numerous, spreading, linear-lanceolate, and deeply pinnatifid. 

 The fertile fronds have the margins of their segments revolute, 

 are taller, and have a stouter stipes. Veins forked. Fructifi- 

 cation extends over the whole under side of the frond. 



Sori small, circular, and placed near the base of the venules. 



Indusium small and circular. 



Stipes as long as the leafy portion of the fertile frond ; 

 smooth and round behind, channeled in front, near the base 

 black and polished, above pale green. 



E-achis smooth and circular behind, and channeled in front. 

 Caudex creeping. 



Length of frond from six to f^rty-eight inches; colour 

 delicate green. 



Easily cultivated in a damp situation with abundance of peaty 

 soil. 



This species I have procured wild from Oxton Bogs, and 

 for other plants I am indebted to Sir Oswald Mosley, Bart., 

 of Rolleston Hall; and for fronds to Mr. Norman, of Hull. 



It is in the Catalogues of Messrs. Kennedy, of Covent 

 Garden; Sim, of Foot's Cray; E-ollisson, of Tooting; Cooling, 

 of Derby; Veitch, of Chelsea; A. Henderson, of Pine-apple 

 Place; E. G. Henderson, of St. John's Wood; Stansfield, of 

 Todmorden; Young, of Taunton; and Cutbush, of Highgate. 



The illustration is from a plant in my own collection. 



