84 LACKAWANNA AND WYOMING FLORA. 



CYSTOPTERIS, BERNHARDI. 



954. C. fragilis, Bernh. Elk Mountain ; sandstone above Taylorville ; 

 probably frequent. Dudley. 



ONOCLEA, L 



955. O. sensibilis, L. SENSITIVE FERN. Common in low grounds; 

 the form obtusilobata is in Mr. Davis' herbarium as "very rare." 

 Dudley. 



956. O. Struthiopteris, Hoffman. (Struthiopteris Germanica, Willd. 

 Above Nay Aug. Dudley. 



WOODSIA, R. BROWN. 



957. W. Ilvensis, R. Br. Not rare on the cliffs. 



958. W. obtusa, Torr. Elk Mt; Campbell's Ledge; Mocanaqua. 

 Dudley. 



DICKSONIA, L. HER. 



959. D. pilosiuscula, Willd. Common on newly cleared slopes, etc. 

 [Lygodium palmatum, Swartz, Climbing Fern, should be looked 



for. It is said to occur at Mauch Chunk and Glen Onoko. Dudley. .] 



OSMUNDA, L 



960. O. regalis, L. ROYAL FLOWERING FERN. Toward head of 

 Little Roaring Brook ; near stream at Gouldsboro. Var. interrupta, 

 Milde. At Gouldsboro, July, 1889, the upper pinnae partly sterile. 

 Dudley. Near Plainsville church, in herb. Davis. 



961. O. Claytoniana, L. Toward the source of Little Roaring 

 Brook, etc. Dudley. Above Luzerne. Thurston. 



962. O. cinnamomea, L. CINNAMON FERN. Moosic Mt.; Duryea; 

 Taylorville marsh, etc. Dudley. Near Kingston. Thurston. 



105. OPHIOGLOSSACE^. 



BOTRYCHIUM, Swz. 



963. B. simplex, Hitch. First found in Penn'a at Naomi Pines, June, 

 '89. Prof. Porter. 



964. B. ternatum, var. obliquum, Eaton. Near Way mart. Dudley. 

 Near Mayfield, rare. Davis. 



965. B. Virginicum, Swz. GRAPE FERN. Frequent in woods. 

 According to Prof. Porter Botrychium lanceolatum and matric- 



ariafolium occur in N. E. Penn'a, they have not been seen within 

 limits. 



