ATIIYRIUM FILIX-F(J:MINA. 



23 



when luxuriantly grown, having a disposition to fork again. Tlic 

 pinn?D are exquisitely toothed; and the terminal and lateral 

 crestings are large and very compound, hut somewhat fiahcllate. 

 Raised by INlr. C Monkman, avIio supplies the fronds for 

 illustration. 



.. B.,^^, >^ 









^% ^ 



,sc-^ 



Fig. 301.— Portion of Frond. 



Macilentum, 3Ioo)'e. (Fig- 301.) — A much-cut variety. 

 Length of frond from tAvelve or thirteen inches, width five 

 inches. Pinnro irregular in size and form, sometimes acuminate 

 or acute at the apex, at others abrupt, broad, or with furcate 

 pinnules. Pinnules laciniatcd, lacerated, or as if eaten away, 

 various in form and size. In the abnormal pinnules the sori 

 are situated on the extreme edge, being marginal, and even 

 supra-soriferous. The illustration is from IMessrs. Stansfield. 









^m;^ 



Fiff. 302. — Pinna. 



Marinum, Moore, f Aherdeenense of some Gardens.) (Fig. 

 302.) — Found some years ago in a cave by the sea-side near 

 Aberdeen by Dr. Dickie, and more recently in the Isle of Man 

 by Dr. Allchin. Length of frond from twelve to eighteen 

 inches, rigid, spreading, or decumbent, and sub-bipinnate to 

 bipinnate, elliptic-lanceolate in form, the pinnae being longest 

 in the centre of the frond, narrowing equally both towards the 



