IOO Rhodora [JUNE 



FLORA OF WILLOUGHBY, VERMONT. 

 PTERIDOPHYTA 

 OPHIOGLOSSACEAE 



OPHIOGLOSSUM 

 O. vulgatum, L. In moist mowing land. 



BOTRYCHIUM 

 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. alpina (Bolton) S. F. Gray. Rare ; on the 



cliffs. 

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



DICKSONIA 

 D. pilosiuscula, Willd. D. punctilobula (Michx.) Gray. 



CYSTOPTERIS 



C. bulb tfera,, Bern h. 

 C. 



ASPIDIUM 

 A. acrostichoides, Swartz. Dryopteris acrostichoidcs (Michx.) Kuntze. 



