142 



ATHYRIUM FILIX-FCEMINA. 



fronds. Generally lanceolate. The pinnae very irregular, some 

 brief, others acuminate, others prsemorse. Pinnules decurrent, 

 various in size and form, irregularly and profoundly laciniated. 

 Sori abundant and crowded about the base of the laciniated 

 lobes. Sometimes the fronds are considerably depauperated, 

 the pinnae being only of the size of ordinary pinnules, flabellate, 

 lobate, truncate, and palmate intermingled. Sometimes the 

 pinnules are nearly all depauperated. I am indebted to 

 Mcssr;?. Stansfield, of Todmorden, for fronds. 





Fig. 490.— Frond. 



Frizelli^-cristatum, Lowe. (Fig. 490.) — An interesting 

 dwarf Fern raised from spores in 1864 by Mr. Thomas Glover, 

 of Smedlcy Hill, Manchester. Length of frond five inches 

 and a half, width only three eighths of an inch, being equal 

 in width throughout the frond, except at the apex, where it 

 becomes branched and crested, the cristate apex being an 

 inch and a half in width. The pinnae resemble those of 



