272 SCOLOPENDRIU.M VILGARE. 



barrow, Westmoreland, by Mr. F. Clowes; Guernsey by Mr. 

 J. James; and at Morecombe Bay by myself. Named on 

 account of the turgid character of the cellular tissue between 

 the veins. Fronds coriaceous, from six to twelve inches in 

 length, and from an inch and a half to two inches broad. 

 The margin very irregularly lobate, or crenate-lobate, here and 

 there split quite to the costa. Crenate-dentate or laciniate- 

 dentate; more or less marginate, often close to the margin, 

 and occasionally near the costa. Base cordate. The apex 

 frequently forked or multifid, sometimes abrupt. Venation 

 irregular. Fertile and permanent under cultivation. The 

 illustration is from Mr. C. Elworthy. 



Alatum, Clapham. (Figs. 656 and 657.) — Raised from spores 

 by Mr. A. Clapham, of Ramsdale Bank, Scarborough. A 

 dwarf narrow-fronded Fern, six inches in length, marginate 

 and winged for the whole length of the frond, with projecting 

 bidentate teeth, narrowing to the base. My thanks are due 

 to Mr. A. Clapham for the illustration. 



Marginato-laceratum, Clapham. (Fig. 658.) — Raised fr-om 

 spores by Mr. A. Claj^ham, of Scarborough. Variable fronds. 

 Some dwarfer and more jjrofoundly cleft; others variously split 

 to the costa, the divisions forming distant, variously sized, 

 irregular lobes. Some fronds oblong, with sinuous margins; 

 some obtusely cuneate; some broader, variously cleft and multifid 

 crisped, the parts being more or less marginate. The costa in 

 some fronds is bare to near the apex, and the frond then 

 becomes fan-shaped, having narrow, minute, dissimilar divisions. 

 In others, when spread flat, forming about three parts of a 

 circle of five inches in diameter, and consisting of five cuneate 

 sections divided down nearly to the top of the stipes, and each 

 section two or three times deej)ly cleft with lacerately-toothed 



margins. 



Fisso-LOBATUM, MooTs. (Fig. 659.) — Found near Nettle- 

 combe by Mr. C. Elworthy. Length of frond twelve inches, 

 width from half an inch to an inch. An interesting variety, 

 somewhat resembling Jissu7n, except in the multifid apex. 

 Fronds lobate on the margin, and numerously split into nar- 

 rowish laciniae, the apex similarly dentate and multifidly lobed. 



