POLYSTICHUM AXGULARE. 



137 



^^l^cC^ 



Fig. 115. 



Ixciso-ACUTUM, Stansfeld MSS. (Fig. 115.)— Fronds from 

 three to four feet in length, and one foot in breadth. Bipin- 

 nate. Pinnse distant, acute-lanceolate. Pinnules falcate-lanceolate, 

 deeply incised, narrow, and acute. Gathered in the summer 

 of 1862, near Burnley, in Lancashire, by Mr. A. Stansfield. 



Fig. 116. 



Pterotox, Lowe. (Fig. 116.) — Found near Tiverton, in 

 Devonshire, by the Rev. Charles Padley, of Bulwell Hall. Mr. 

 Padley found two plants of this variety growing together. It 

 is an Acuto-gracile looking Fern, differing however in having 

 more pinna? and pinnules. The form of the pinnules also differs, 

 they are deeply incised, alike on both sides, the two edges of 

 tbe pinnule differing only in having an auricle on the anterior 

 base, the auricle being also incised on both edges. The apices 

 of the pinnules are blunt; the lobes minutely toothed. The 

 pinnae are sub-opposite below and alternate above. Length of 



