POLYSTICHUM ANGULARE, 



113 



dilatata. I am indebted to the Rev. C. Padley, of Bui well 

 Hall, Nottinghamshire, for fronds. It is unnecessary to give a 

 woodcut illustration of this variety. 



Fig. 85.— A. Middle pinna. 



B. Ix>wer pinna. 



Plumosum, Wollaston. fFig. 85.) — A most lovely Fern, 

 found near Ottery St. !Mary, in Devonshire, by Mr. G. B. 

 Wollaston, of Chiselhurst; near Barnstaple, by Mr. C. Jackson; 

 and at Xettlecombe, in Somersetshire, by ^Ir. C. Elworthy. 

 The fronds, which are very large, and of a pale green colour, 

 are broad, ha^T.ng an ovate-lanceolate outline. Bipinnate, and 

 almost tripinuate in the most di^-ided parts. Texture thin and 

 dry. Pinnae broad and ample. Pinnules long-stalked, pro- 

 foundly inciso-lobate, giving an elegant feathery appearance to 

 the graceful arching fronds; hence the name Plumosum. The 

 basal anterior lobe of the pinnules is large, having the ordinary 

 auricle lobed on the margin, or biserrate, with sharp teeth. 

 The others are profoundly incised, each lobe pointing forwards, 

 and again cut into sharp-pointed teeth. Rachis of the pinnae 

 very slender. Length of frond from two to three feet. Texture 



