118 ATHYRIUM FILIX-FCEMINA. 



CoRYMBiFERo-DEPATjPERATUM, Wollctstoti. — Raised fiom spores 

 by Messrs. Stansfield, Vale Nurseries, Todmorden, in 1863. 

 A depauperate form of corymhifcrum. A dwarf slender form. 

 Length of frond about ten inches. Pinnae remote, narrow, 

 broadest at the base, and expanding into an elegant corym- 

 biferous head. An illustration is unnecessary. 







Fig. 4.53. — Midflle portion. 



CoRNiGERUM, Stayisfield. (Fig. 453.) — Raised from spores 

 in 1864, by Mr. R. Craig, of Levens Hall, Milnthorpe. A 

 singular form, twelve inches in length, the frond narrow, and 

 equal in width for the basal third, namely, two inches, then 

 suddenly widest, that is, four inches and a half, gradually 

 tapering to one inch and three quarters, and then suddenly 

 becoming only half an inch for the three inches near the 

 apex, the extreme end being acuminate. The pinnae are 

 various in form, the basal ones for four or five pairs des- 

 cending; the pinnules leafy, much cut on their upper margin 

 and at the end, the superior basal pinnule much larger, the 

 upper portions usually undivided to the rachides. The central 

 longer pinnae often furcate, the pinnules irregular in size and 

 form, laciniate, depauperate, or even wanting, frequently only 

 a toothed lobe of diminutive size, in fact the frond is almost 

 all teeth. The sori is situated on the inner margin of the 

 teeth, so that it is marginal. Sori conspicuous and abundant 

 from the base to the apex of the frond. The illustration is 

 from Messrs. Stansfield, of Todmorden. 



FissiDO-ANGUSTiFRONS, Ivery. — Length of frond twenty-six 

 inches; fronds narrowing to the base and apex, being eight 



