304 



LASTREA DILATATA. 



ones; the basal pair unequally deltoid, the next more elongate, 

 and the rest narrower and parallel-sided. Pinnules bluntly 

 ovate-oblong, and convex; the basal pinnules slightly stalked, 

 the others sessile or decurrent; the largest pinnules are pro- 

 foundly pinnatifid, with blunt, sparingly-toothed lobes. Sori in 

 two lines. Fronds two feet in length, and deep green in colour. 

 Stipes variable, some one third and others one half the length 

 of the frond. Scaly. Scales entire, dark brown, with a darker 

 central belt. 



Fig. 249. 



FusciPES, Moore. (Fig. 249.) — Originally found in the Island 

 of Guernsey by Mr. G. Wolsey, and subsequently at Castle 

 Malgwyn, Pembrokeshire, by Mr. W. Hutchison; at Ruthin, 

 Denbighshire, by Mr. T. Pritchard; at Glendruid, Dublin, by 

 Mr. R. Barrington, who has also found it at Gweedore, Donegal, 

 at Kerry, and on the Three-rock Mountain. An elegant 

 glandular variety. Length of frond twenty-four to thirty inches. 

 Stipites somewhat slender, pale chesnut behind, with dark 

 narrow scales. Fronds almost triangular, and delicate in texture. 

 Tripinnate below. The pinna? and tips of the fronds acuminate. 

 Segments oblong, the largest lobate as well as serrate. Denta- 

 tion large and mucronate. My thanks are due to Mr. Elworthy, 

 of Nettlecombe, for fronds. 



PuMiLA, Moore. — Found at Ilfracombe, Devonshire, by the 

 Rev. J. M. Chanter; at Ham, near Plymouth, by the Rev. C. 

 Trelawny; at Castle Malgwyn, Pembrokeshire, by Mr. W. 

 Hutchison; Rhuabon, Denbighshire, by Mr. A. L. Taylor; 

 at Aber, Carnarvonshire, by the Rev. W. A. Leighton; in 



