298 Sf'OT.OPEXDRIUAI VII-GARE. 



Variegato-crenatum, Wollaston. (Fig. 695.) — A very fine 

 variegated form of crenatum. Length seven inches. The apex 

 furcate. My thanks are due to ^Ir. G. B. Wollaston for a frond. 



Crispum-cornutum, WiUiSon. — Found hy Mr. Joseph Buckle, 

 of York. Broadest at the base, where lobate, apex pointed, 

 crisped and incised along the margin, and cornute in the centre 

 of the frond. 



Ramosum-uensum, Sim. — Length from three to four inches. 

 Twin-stalked, each stalk bearing simple or twin fronds half an 

 inch wide and one inch long, and these branching, the branches 

 two or three-forked and twisted out of the plane of the frond. 

 The forkings broad-lobed, the lobes •crenate, the whole forming 

 a compact, very crispy crest. Distinct. Raised from spores 

 by Mr. Sim, of Foot's Cray. 



Ramoso-rugosum, Sim. — Length from one to three inches. 

 Twin-stalked, and two or three times branched, each ultimate 

 branch kidney-shaped and crumpled, irregularly deeply cleft, 

 and these irregularly marginate-dentate. Scaleless. Short awl- 

 shaped spurs are irregularly produced on the stalks, those on 

 the midrib not awl-pointed but are a j^ygmy tassel of clustering 

 points. Raised from spores by Mr. Sim, of Foot's Cray. 



Ramosum-latum, Sim. — Length from nine to fifteen inches. 

 Varying from ramosum in the much greater breadth of the 

 terminal crest, which is very leafy and spreading. 



Scalpturato-marginatum, Sim. — Length from ten to fifteen 

 inches, width one inch. The under surface resembling margin- 

 atum, on the npper surface, more especially in the lower half, 

 resembling scalpturatnm.. Raised from spores by Mr. .James, of 

 A^auvert, Guernsey. 



Submargixatum-texue, Sim. — Length from three to six 

 inches, width from a quarter to half an inch, nearly erect, 

 tapering, cleft into narrowish, shallow, sharply dentate lobes. 

 The skin-like under-surface line is nearly parallel with the 

 midrib, but distant from it. Raised from spores by Mr. Sim. 



