Plate 22 . 
NEPHRODIUM (Lastkea) eemotum, Hook. 
Distant-leaved Buckler-Fern. 
Nephrodium (Lastrea) remotum; caudex “erect,” stipites tufted, stout, a span or 
more long, paleaceous, with rather large, long-lanceolate, membranaceous, pale- 
brown scales; fronds 3-4 feet long, oblong-lanceolate submembranaceous, 
glabrous, without glands, bipinnate; lower pinnae remote, from a broad 
petiolate base, oblong-acuminate, the rest oblongo-lanceolate; uppermost 
ones sessile, the longest of them 6 inches long; pinnules -|-f of an inch 
long, ovate-oblong, adnato-sessile, horizontal, moderately distant, very uni¬ 
form, those of the inferior pinnae pinnatifid nearly halfway down, the seg¬ 
ments short, ovate, with 2-4 sharp terminal serratures; those of the upper 
pinnae coarsely and sharply but scarcely spinulosely serrated; sori copious 
on all except the inferior pinnae, arranged in two lines, one on each side 
near the costule; involucre orbicular-cordate, membranous, pale, concave, 
entire. 
Aspidium remotum. A. Braun. Kze. in Linnaea , xxiii. p. 230. Mttten. Til. Hort. 
Lips.p. 93. Aspid.p. 57. Tee, Gen, Til. p. 229. IIoolc. and Am. Brit. 
Tl. ed. 8. p. 584. 
Lastrea remota. Moore , Ind. Til. p. 102 ; in Froceed. of Lin. Soc. v. 4. p. 103, 
and in Thytol. for March , 1860, p. 83 ( excl. the syn. of Polystichum re¬ 
motum, Koch , Syn. ed. 2. p. 969 (where such a name does not appear). 
Clowes , in Thytol. for Aug. 1860. p. 227. 
Aspidium rigidum, (3. remotum. A. Braun , “ Boell. Tl. d. Rheinl. p. 16.” 
Dryopteris rigida. Asa Gray , Man. of Bot. of N. U. St. 1848, p. 631 ( hut 
not Aspid. rigidum, Sw.). 
Aspidium dilatatum, var. Boottii. Asa Gray, Man. of Bot. of N. U. St. ed. 2. 
p. 598. 
Aspidium Boottii. Tuckerman. 
Hah. Windermere, Westmoreland, Mr. Isaac Huddart. 
The Fern here characterized and for the first time figured, has 
been, within these few years, detected, first, in Germany, al¬ 
though I do not find the exact locality recorded; secondly, in 
United States of America, Massachusetts, by Mr. Wm. Boott , 
and in Connecticut, by Mr. B. C. Baton; and thirdly, at Win¬ 
dermere, in Westmoreland, by Mr. Isaac Huddart , as recorded 
by Mr. Cloices (to whom I am indebted for cultivated speci¬ 
mens) ; and it would appear to be rare in these localities. 
To Mr. T. Moore is due the credit of referring it to the 
