POLYSTICHUM Roth. 



20 P. ACROSTicHoiDES Schott. (Christmas Fern.) Common. 



21 P. ACROSTICHOIDES, FORM RAMOSA Clutc. Rocky Glen, near Factory- 



ville.* 



22 P. ACROSTicHOiBES, VAR. iNcisuM Gray. Birdseye, Spring Brook. 



23 P. ACROSTICHOIDES, VAR. TRUNCATUM. Found and named by Prof. 



James A. Graves at Susquehanna, Pa.* 



24 P. BRAUNii Fee. Rocky Glen, in southeastern part of Sullivan County, 



adjoining Luzerne. Reported by /. P. C. Griffith in 1878. 



ASPIDIUM Sw. (Shield Fern or Wood Fern) 



25 A. THELYPTERis Sw. Marshy places. Common. 



26 A. siMULATUM Davenp. Monroe County. 



27 A. NovEBORACENSE Sw. Rich woods. 



28 A. MARGiNALE Svir. Frequent. 



29 A. GOLDiANUM Hook. Sugarloaf Mountain. Mrs. C. P. Davidson, on 



farm, Greenfield Township, Lackawanna County. 



30 A. BooTTii Tuckerm. Susquehanna. 



31 A. cRiSTATUM Sw. Athcrton's Pond, Hawley, Paupack, Lehigh Pond. 



32 A. CRISTATUM, FORM MARGINALE Dav. Orsou, ou O. and W. railroad. 



(See Clute's Fern Collector's Guide, page 44.)* 



33 A. SPINULOSUM Sw. Type form at Spring Brook. 



34 A. SPINULOSUM, VAR. INTERMEDIUM Eaton. Common. 



35 A. SPINULOSUM, VAR. DiLATATUM Hook. Sugarloaf Mountain. 



CYSTOPTERIS Bernh. (Bladder Fern) 



36 C. BULBiFERA Bcmh. Spring Brook, Moosic, Waverly, Susquehanna. 



Rocky Glen, near Factoryville, Anna Wilcox. 



37 C. FRAGiLis Bernh. Common on shaded cliffs. 



WOODSIA R. Br. 



38 W. iLVENsis R. Br. Elk Mountain, Bald Mountain. 



39 W. OBTUSA Torr. Campbell's Ledge. 



DICKSONIA L' Her. (Hay-scented Fern) 



40 D. PUNCTiLOBULA Gray. Common. 



41 D. PUNCTILOBULA, VAR. FURCATA Clutc. Spring Brook, Moosic* 



ONOCLEA L. (Sensitive Fern) 



42 O. SENsiBiLis L. Common. 



43 O. SENSIBILIS, VAR. OBTUSILOBATA Torr. Lehigh Pond, Gouldsboro, 



Moosic Lake glen. 



44 O. STRUTHioPTERis Hoffm. Near Taylor, Dalton, Fleetville, Union- 



dale. 



SCHIZAEACEAE (Curly Grass Family) 



LYGODIUM Sw. (Climbing Fern) 

 45 L. PALMATUM Sw. Near Vandling toward Carbondale east of 

 street car line. The only station reported in Lackawanna 

 County, C. H. Scharar. Naomi Pines, Prof. R. N. Davis. 



12 



