ASFLKNIIM L.VNCKOLATUM. 



1;j: 



basal ones larger and more divided, the others cuncatc at 

 their base, and flattened and dentate at their upper margin; 

 ascending. The two basal pinnae ascending, the pinnules of 

 which arc only half the size of those of the other pinna;. 

 INIy thanks arc due to Miss Kitson for fronds. 



Fig. oOO.— Middle pinna:. 



iNCisrM. (Fig. 500.) — Found in Jersey. A robust form, 

 twelve inches in length. Pinme alternate, distant below, 

 approximate above. Pinnules deeply incised, with conspicuous 

 sharp-pointed teeth, occasionally depauperated or even wanting. 

 My thanks arc due to Messrs. Stansfield for fronds. 



Fiff. ML— Frond. 



ExcisuM, Loire. (Fig. 501.) — A dwarf form, found at Shaw- 

 bridgc, in South Devon, by Mr. G. W. Edwards, of Nuttall. 

 The apex of the frond is as if bitten off, and the pinnules on 

 the upper half of the frond are variable in form and much 

 contracted. I am indebted to Mr. Edwards for a frond. 



