lOO Rhoddra [Ji'^f^- 



FLORA OF WILLOUGHBY, VERMOxNT. 



PTERIDOPH YTA 



OPHIOGLOSSACEAE 



OPHIOGLOSSUM 



O. vulgatum, L. In moist mowing land. 



BOTRYCIIIUM 

 B. simplex, Hitch. 

 B. matricariaefolium, A. Br. 



B. ternatum, Swartz, var. intermedium, D. C. Eaton. 

 B. ternatum, Swartz, var. obliquum, Milde. 

 B. ternatum, Swartz, var. dissectum, Milde. 



B. Virginianum, Swartz. 



OSMUNDACEAE 



OSMUNDA 

 O regalis, L. 

 O. cinnamomea, L. 

 O. Claytoniana, L. 



POLYPODIACEAE 



ONOCLEA 

 O. sensibilis, L. 



O. sensibilis, L., var. obtusilobata, Torr. 

 O. Struthiopteris, Hoffm. 



WOODSIA 



W. Ilvensis, R. Br. Rocks near Roaring Brook. 



W. hyperborea, R. Br. W. alpiyia (Bolton) S. F. Gray. Rare ; on the 



clilts. 



W. glabella, R. Br. Common on the cliffs. 



DICKSONIA 

 D. pilosiuscula, Willd. D. punctilnhiila (Michx.) Graj. 



CYSTOPTERIS 



C. bulbifera, Bernh. 

 C. fragilis, Bernh. 



ASPIDIUM 

 A. acrostichoides, Swartz. Dryopteris acrostic hoidcs, (Michx.) Kuntze. 



