320 SCOLOPENDRIUM VULGARE. 



near Settle, by Mr. A. Clapliam; Kirkham Abbey, Oldstead, 

 and Malton by Mr. C. Monkinan; Whitbarrow by Mr. G. B. 

 Wollaston; Ruthin by Mr. T. Pritchard; and Guernsey by Mr. 

 J. James and the late Mr. C. Jackson. Large-growing and 

 irregular. In some the margin is sinuated with irregular-sized 

 lobe-like projections. Sometimes irregular portions contracted 

 with brief teeth or shallow lobes, and sometimes with large 

 oblong projections. The contracted parts are occasionally 

 crisped. The base, apex, or one side only of the frond occa- 

 sionally altered. The base mostly imperfectly developed; the 

 apex attenuate and occasionally multifid. All the fronds differ 

 from each other. Sori normal. Length of frond eighteen inches, 

 width in the lower ^^ortion from a half to three quarters of an 

 inch, in the upper half one inch and a half. 



Sagittato-lobatum, Moore. — Found at the Woodlands near 

 Whitby by Mr. W. Willison. Differing from sagittato-cristatum 

 in having longer and more acute basal lobes, directed down- 

 wards. The apex branching into a tuft of flat acute segments, 

 below which the margin is crenate-lobate. 



Lacerato-ramosum, Moore. — Raised from spores by Mr. 

 El worthy, of Nettlecombe. A pygmy form, with fronds two 

 inches in length and two inches in width. Stipites two or three- 

 branched, and each branch multifidly forked, the ultimate 

 divisions blunt and dentate. Slightly marginate beneath. Another 

 similar form, but more flabcUate, has been also raised by Mr. 

 Elworthy. 



Striatum, Moore. — Found in Guernsey by Mr. James, of 

 Vauvert, and more recently at Barnstaple and at Littlehampton. 

 Fronds broad, sublanceolate, indistinctly crenate, and to some 

 extent undulate. The peculiarity being obliquely streaked with 

 yellowish green on a deep green, giving a striated appearance. 



Perafero-cornutum, Moore. — Raised from spores in 1857 

 by Mr. James, of Vauvert. Dwarf. Fronds three inches high, 

 including the stipites, cordate at the base, slightly undulate, 

 rounded and retusely bi-lobed at the apex. At the base of 

 the apical cleft the costa is excurrent and horned, and around 



