Mr. Moore and some other authors are disposed to insist on the right of priority belonging to the specific name _Stelleri_. But the name _gracilis_ has been used by nearly every writer on American Ferns since the time of Michaux, and will most probably be kept up rather than the other. It should be noted that Ruprecht considered his _Allosorus Stelleri_ to be distinct from our plant, and mentions several points of difference in his work on the Distribution of Vascular Cryptogamia in the Russian Empire. The figure is taken from specimens collected in Sunderland, Hampshire County, Massachusetts, by the late Rev. David Peck. EVERGREEN WOOD-FERN. [Illustration: ] ASPIDIUM MARGINALE, Swartz. Evergreen Wood-Fern. Aspidium marginale:—Root-stock ascending, stout, shaggy with long shining-brown chaffy scales; stalks rather stout, a few inches to a foot long, more or less chaffy with shining scales; fronds standing in a crown, one to two feet long, evergreen, sub-coriaceous, ovate-lanceolate, scarcely narrowed at the base, pinnate or sub-bipinnate; pinnæ almost sessile, the lowest ones broadest, unequally triangular-lanceolate, the middle ones lanceolate-acuminate, slightly broader above the base; pinnules or segments smooth and dark-bluish-green above, paler and sometimes slightly chaffy beneath, adnate to the narrowly winged secondary rachis, oblong or oblong-lanceolate, often sub-falcate, varying from crenately-toothed to pinnately-lobed with crenulate lobes, obtuse or sub-acute, those next the main rachis sometimes distinct, short-stalked, sub-cordate at the base and with rounded auricles; veins free, forked or pinnately branched into from two to five curved and usually conspicuous veinlets; sori rather large, placed close to the margin of the segments; the orbicular-reniform indusia firm in texture, convex, smooth, often lead colored. _Aspidium marginale_, Swartz, Syn. Fil., p. 50.—Schkuhr, Krypt. Gew., p. 195, t. 45, _b._—Willdenow, Sp. Pl., v., p. 259.—Pursh, Fl. Am. Sept., ii., p. 662.—Link, Fil. Hort. Berol., p. 107.—Hooker, Fl. Bor.-Am., ii., p. 160.—Torrey, Fl. New York, ii., p. 495.—Gray, Manual, ed. ii., p. 598.—Mettenius, Fil. Hort. Lips., p. 92; Aspidium, p. 55.—Eaton, in Chapman’s Flora, p. 595.—Robinson, Ferns of Essex Co., in Bull. Essex Inst., vii., No. 3, p. 50.—Williamson, Ferns of Kentucky, p. 97, t. xxxv.—Davenport, Catal., p. 32. _Polypodium marginale_, Linnæus, Sp. Pl., p. 1552. _Nephrodium marginale_, Michaux, Fl. Bor.-Am., ii., p. 267.—Hooker, Sp. Fil., iv., p. 122.—Hooker & Baker, Syn. Fil., p. 273. _Lastrea marginalis_, Presl, Tent. Pterid., p. 77.—J. Smith, Ferns, Brit. and Foreign, p. 157.—Lawson, in Canad. Naturalist, i., p. 281. _Dryopteris marginalis_, Gray, Manual, ed. i., p. 632.—Darlington, Fl. Cestrica, ed. iii., p. 396.