SCOI.OrKXDllU'.M VV l.(i.\RK. S29 



basal two inches and a half is naked, hmiina somewliat narrow, 

 strap-shaped and with a smooth margin, three inches from the 

 apex branching into half a dozen digitate branches each as wide 

 as the other parts of the frond, and their margins regularly 

 crenate, their tips minutely crested, having an oak-leaf character. 



SuPRASOTiTFERUM, Loioe. (Plate LVI — A.) — A form of the 

 variety crenato-lohatutn of Moore. Crenatcly lobed on the 

 margin, bearing sori on the upper as well as on the under 

 surliicc of the frond; below the sori bold. Crenately lobed. 

 Fronds broad. Length twelve or more inches, breadth from 

 one to two inches. Forms of this Fern have been found in 

 many places in Great Britain. My thanks are due to Mr. 

 Stansfield, of Todmorden, for fronds, 



CoNTRACTUM, Wollasto7i. (Plate LVI — B.) — Found in Clare, 

 Ireland, by Dr. Allchin, in Guernsey by the late Mr. C. Jackson, 

 at Smeerset by Mr. A. Clapham, at Nettlccombe by Mr. C. 

 Elworthy, and at Buthin by Mr. Pritchard. Length of frond 

 six to ten inches, cordate at the base, and normal in the lower 

 part, the apex being densely flabellate-multiHd-crisped. Just 

 below the multifid apex the frond is distinctly contracted to 

 one half the breadth, and having in this part a ridged appear- 

 ance. The apex is somewhat submarginate. Sori in the crenatures, 

 slightly suprasoriferous, as well as on the under side of the 

 frond. My thanks are due to Messrs. Stansfield, of Todmorden, 

 for fronds. 



Cristato-digitatum, Sim. — Length six to fourteen inches. 

 Simple or twin-branched fronds, terminating in circular flattish 

 elegant crests, undivided except on its margin, and there very 

 crispy dentate. 



FissuM-RESECTUM, Stansfield. — Found in North Lancashire. 

 A form of fissum, wanting the bssal lobes, which are as if 

 cut ofi" upwards. 



CoNTORQUERE, Lowe. (Fig. 735.) — Found at Ilfracombe by 

 Mr. Dadds. Length five inches, width from a quarter to 

 three quarters of an inch. A singularly distorted form, the 



VOL. II. 2 U 



