LASTREA DILATATA. 



303 



the largest. Pinnules narrow, oblong, obtuse, profoundly 

 pinnatifid. The lobes oblong, and furnished with aristate teeth. 

 Stipes half the length of the frond, and scantily scaly. Sori 

 abundant, covering the whole under surface of the frond, small 

 in size. A sjnnulosa-lookmg form. An illustration is un- 

 necesssary. 



Fig. 248. — Middle pinna and basal pinna. 



CoLLiNA, Moare. (Fig. 248.) — Found at Elter Water, "West- 

 morland, by the Rev. G. Finder, and since at Torver, near 

 Conistone, by Mr. T. Ecclestone; found also at Langdale, 

 Mardale, and Hawes Water, in Westmorland, by ^Ir. F. Clowes; 

 in Forfarshire, by Mr. A. Croall; at Tarbet, in Dumbartonshire, 

 Ardrishiag, in Argyleshire, and at Arran, by Mr. T. Moore; at 

 Wollaton and Stanton-on-the- Wolds, Nottinghamshii-e; in several 

 places near Windermere Lake, Westmorland; and at Brows- 

 holme Hall, near Clitheroe, Lancashire, by myself; Dumfries- 

 shire, by Mr. J. Anderson; and Ben Ledi, Perthshire, by Mrs. 

 Hume Macleod. Also in Devonshire and Yorkshire. A 

 distinct handsome variety. Erect in habit. Fronds ovate-lance- 

 olate, the apex of the frond being attenuately elongated. 

 Pinnae distant and spreading, and more especially the basal 



