POLYPODIACEAE.

Adiantum pedatum (L.) Common throughout the state in rich woods.

Polypodium vulgare (L.) On cliffs of sandstone, La Salle and Ogle counties. “Common in Jackson and Union, French, Forbes.” (P.)

Polypodium polypodioides (L.) Common throughout the state in rich woods.

Pteris aquilina (L.) Copses and borders of dry woods. Frequent, or abundant in localities northeast. Starved Rock, La Salle county, Peoria, Brendel, Henderson, Patterson, Shelby, Mary Evertz. “Common.” for the state. (P.) Rare in Will county in the prairie region. Clute.

Cheilanthes lanosa (Michx.) “Rocks, St. Clair county, Brendel, and southward.” (P.)

Cheilanthes Feei (Moore.) Limestone cliffs by Mississippi river, Carroll county, “near Galena, Brendel; Pike county, Mead; Jackson, French.” (P.)

Pellaea atropurpurea (L.) Frequent on cliffs of limestone along the Desplaines river and its tributaries from Sag Bridge, Cook county, to Joliet, Will county, and in Kankakee and Carroll counties. Scarce on cliffs of sandstone, Oregon, Ogle county. Henderson county, Patterson; Kane county, W. J. Minium; Wedron, La Salle county, Ferriss. Reported for the state as general but “infrequent” in Patterson’s catalogue.

Pellaea gracilis (Michx.) Rare in thin soil in shelves of shaded and usually moist calcareous rocks. Sag Bridge and Lemont, Cook county, and Bounbonnais, Kankakee county. On moist sandstone rocks, Liberty Hill, Oregon, Ogle county; limestone, Aurora, Kane county; sandstone, Sheridan, La Salle county, Ferriss.

Asplenium angustifolium (Michx.) Henderson. Patterson, Peoria, Brendel “Rich woods, scarce for the state.” (P.) Joliet rare, Starved Rock more common. Ferriss.

Asplenium pinnatifidum (Nutt.) “On rocks, Jackson and Union counties, French; Pope, Schneck.” (P.)

Asplenium platyneuron (L.) “Open rocky woods, scarce.” (P.)

Asplenium ebenoides (R. R. Scott.) Reported from Jackson county, Ill., but without further reference in Fern Bulletin, vol. V., p. 13.

Asplenium Trichomanes (L.) “On shaded rocks, Jackson and Union counties, French; Wabash, Schneck.” (P.) Southern Illinois. Vasey. Starved Rock, two plants. Ferriss.

Athyrium filix-foemina (L.) Frequent in rich, moist woods in Cook and adjoining counties, as well as throughout the state as given by Patterson, Peoria, Brendel; Jackson, Saml. Bartley; Henderson, Patterson; Ravinia, Willow Springs, Cook county, Prince.

Athyrium thelypteroides (Michx.) “Near Glencoe, Cook county.” Higley Raddin; “Peoria and Fulton counties, Brendel and Wolff; Wabash, Schneck.” (P.) Joliet, rare; Starved Rock abundant, Ferriss.

Camptosorus rhyzophyllus (L.) On outcrops of limestone in the Desplaines valley in Cook and Will counties from Sag Bridge to Joliet. Abundant at Dellwood Park and in one locality at Sag Bridge, infrequent elsewhere. “Shaded rocks throughout but scarce.” (P.) Jo Daviess county, Pepoon.

Phegopteris hexagonoptera (Michx.) “Rich open woods and shaded ravines, chiefly in the northern portion of Cook county; infrequent.” Higley and Raddin (1891.) Peoria, Brendel; Henderson, Patterson; Jackson, Bartley; Joliet and Starved Rock, Ferriss. Patterson reports “frequent” throughout.

Phegopteris polypodioides (Fée.) Starved Rock, La Salle county, “Menard county, Hall.” (P.)

Nephrodium noveboracense (L.) “Elgin, Kane county, Vasey; Wabash, Schneck, Swamps, scarce.” (P.)

Nephrodium Thelypteris (L.) Frequent or often abundant in swampy, wooded ground or open marshes, in Cook, Lake, Dupage, Will and Kankakee counties, Peoria, Brandel; Starved Rock, Clute. Frequent throughout the state according to Patterson.

Nephrodium cristatum (Michx.) Starved Rock, rare, Ferriss.

Nephrodium Goldieanum (Hook.) “Rich Woods, Peoria and Fulton counties, Brendel, Wolff; Makanda, Jackson county, Forbes,” (P.) Will county, La Salle county, Ferriss.

Nephrodium marginale (L.) Rocky bluffs, Starved Rock, La Salle county, Southern Illinois, Vasey. “Scarce” for the state. (P.)

Nephrodium spinulosum intermedium (Muhl.) Frequent in rich woods in the northeastern counties, Starved Rock, Clute. Patterson says “infrequent” for the state.

Polystichum acrostichoides (Michx.) Will county, “north part of Cook county,” Higley and Raddin; Henderson, Patterson; Peoria, Brendel; Jackson, Bartley. For the state, “infrequent.” (P.) The variety incisum is occasionally reported.

Cystopteris bulbifera (L.) Frequent on shelves and in crevices of limestone cliffs and shady ravines in the Desplaines valley in Cook and Will counties, and in Kankakee county, Henderson, Patterson, Peoria, Brendel; Starved Rock, abundant, Clute. Patterson reports for the state, “shaded rocks, frequent.”

Cystopteris fragilis (L.) Rather frequent in rich woods and occasionally on rocks in Cook, Lake, Dupage, Will and Kankakee counties; Henderson, Patterson; Peoria, Brendel; Jackson, Bartley. “Common” for the state. (P.) Very variable in its forms.

Woodsia obtusa (Spreng.) Scarce on limestone rocks at Lemont, Cook county, abundant on sandstone at Oregon, Ogle county, “Marion county, Bebb; Wabash, Schneck; and southward.” (P.) Joliet, Will county, Ferriss.

Woodsia ilvensis (L.) “On sandstone cliffs near Oregon, Ogle county, Bebb.” (P.)

Onoclea sensibilis (L.) Common in wet woods and swamps in the northeastern counties. Peoria, Brendel; Jackson, Bartley. For the state “common.” (P.)

Onoclea struthiopteris (L.) Wet shades, Starved Rock, La Salle county, Henderson, Patterson; Peoria, Brendel; Fulton, Wolff. For the state “infrequent.” (P.)

Dicksonia punctilobula (Michx.) “Wabash county, Schneck.” (P.)