_Nephrodium Goldienum_ Hook. Occasional in swampy ground throughout the State. _Nephrodium marginale_ Michx. Plentiful in rocky woods. _Nephrodium Noveboracense_ Desv. New York fern. Common in damp woods and thickets. _Nephrodium simulatum_ Davenp. Middle Village, L. I., _Rev. G. D. Hulst_; Babylon and Bellville, L. I., _W. N. Clute_; Oneida Lake, _H. D. House_. Rare. _Nephrodium spinulosum_ Desv. Probably rather common, but not recognized. Grows in damp woods throughout the State. _Nephrodium spinulosum dilatatum_ Baker. Infrequent. Catskill and Adirondack Mts., _Professor Peck_; Yates Co., _Sartwell_. In more elevated situations than the type. _Nephrodium spinulosum f. intermedium._ Davenp. Our commonest woods fern. _Nephrodium theypteris_ Desv. Marsh fern. Abundant in wet ground, whether shaded or not. _Onoclea sensibilis_ L. Sensitive fern. Common in swampy ground. _Pellaea atropurpurea_ Link. On cliffs both in eastern and western New York. Scarce. _Pellaea gracilis_ Hook. Slender Cliff Brake. Not common, but occurring in many localities through the State. Always on rocks or cliffs. _Phegopteris Dryopteris_ Fee. Common in rich, damp woods. _Phegopteris hexagonoptera_ Fee. Rather scarce, but more frequent in the southern and western parts of the State. _Phegopteris polypodioides_ Fee. Common on wet rocks and in damp woods. _Polypodium vulgare_ L. Common Polypody. Common on rocks. _Polypodium vulgare cristatum_ Lowe. Rock City, Dutchess Co., _Charles A. Coons_. _Polystichum acrostichoides_ Schott. Christmas fern. Common in woods. The variety _incisum_ with the type. _Polystichum Braunii_ Lawson. Summit, Schoharie Co., Catskill and Adirondack Mts., _Professor Peck_; Ilion ravine, _Rev. H. M. Simmons_ in herb. Gilbert. _Pteris aquilina_ L. Bracken. Common throughout the State. _Pteris aquilina pseudocaudata_ Clute. The common form on many parts of Long Island. _Clute._ _Scolopendrium vulgare_ J. E. Sm. Hart’s tongue. Rare. Only in ravine of Chittenango Creek, Green Lake, Jamesville and a few other stations in the vicinity of Syracuse. _Struthiopteris Germanica_ Willd. Ostrich fern. Frequent in the Valley of the Mohawk and its tributaries. Western part of the State, _Torrey_; Southern tier, _Clute_. _Woodsia glabella_ R. Br. Crevices of rocky ledges at Lake Avalanche and in the pass north of it, _Professor Peck_; Haines’ Falls, Catskill Mts., _Professor Peck_. The station at Little Falls has been destroyed by excavation. _Woodsia hyperborea_ R. Br. Rare. Adirondack Mts. Only three stations known—at Cascadeville, Lake Avalanche, and Ampersand Mt., _Professor Peck_. _Woodsia Ilvensis_ R. Br. Rusty Woodsia. On rocks and cliffs. Rather scarce. _Woodsia obtusa_ Torr. In rich woods and on rocks. Widely spread but not common. _Woodwardia angustifolia_ Sm. Flatbush and Middle Village, L. I., _Professor Peck_; Babylon and Bellville, L. I., _Clute_; Staten Island, _Torrey_.