FILICES. 67 



Stipes from the thickness of a crow-quill to that of a goose-quill, 

 3 inches to 1 foot long ; in the latter case (a plant from Ingleborough 

 collected by Mr. Baker) the lamina is 14 inches long and 5 inches 

 broad ; in another Ingleborough specimen from the late Mr. A. 0. Black, 

 the rachis is 10 inches long, and the frond 14 inches by 5 inches. The 

 colour and texture of the lamina is not unlike that of Polypodium 

 Robertianum, no doubt on account of the small whitish glands with 

 which the plant is so thickly sprinkled even on the upper side. The 

 under side of the frond is much paler than the upper. The scales 

 on the lower part of the stipes vary from ovate-lanceolate to lanceo- 

 late ; those on the upper part of the stipes, rachis, and secondary 

 rachides are much narrower. The pinnae are spreading or ascending- 

 spreading, and do not decrease in size towards the base, indeed the 

 lowest pair is frequently actually longer than the succeeding pairs. 

 The pinnules are not contiguous, the lower ones at least attached by 

 a narrow base, which is frequently more or less auricled on account 

 of their lowest lobes being larger than the rest, they taper slightly 

 towards the apex. They are conspicuously fringed with minute 

 stalked glands. Indusia yellow, but ultimately appearing lead-colour 

 from the dark-coloured sporangia showing through, as in Filix-mas. 



L. rigida is not unlike the abbreviata form of Filix-mas, but has 

 a much longer stipes, a more opaque frond, which is very much more 

 glandular, and is more abrupt at the base from the great size of the 

 lower pair of pinnae. The indusia are thinner, less deeply notched 

 and with much larger and more conspicuous glands, which are 

 evidently stalked. The multiceps caudex is very different from that 

 of any form of L. Filix-mas I have seen. 



I am indebted to Mr. Charles Bailey, of Manchester, for a living 

 plant from Arnside Knot. 



Rigid Shield-fern. 



SPECIES V.— LAST RE A RE MOT A. Moore. 



Plate 1852. 



Nephrodiura remotuni, Hook. fil. Stud. Fl. p. 466. 



N. spinulosum, var. remotum, Hook. & Bale. Syn. Fil. ed. ii. p. 275. 



Aspidium remotum, A. Broun. Milde, Fil. Europ. p. 125. 



A. rigidum, /?. remotum, A. Braun in Doll. Fl. Eheinl. p. 16. 



" A. Filix-mas, var. elongatum, Hoolc. Spec. Fil. Vol. IV. p. 117." Milde. 



" Caudex stout, unusually upright " (Clowes, in lit.). Fronds all 

 similar, erect, " deciduous" (Lowe). Stipes rather long (about one- 

 fourth the length of the lamina), channelled on the anterior face, 

 containing 7 vascular bundles, without glands and with very numerous 

 scales, the lowest of which are ovate, acuminate or cuspidate and 



K 2 



