67 



A. spinulosum, var. dilitatum, Gray. Moist woods on 



mountains, near the summits. 

 A. Boottii, Gray. Woods, not very common. 



472, Cystoptbris, Bern, 



O. bulbifera, Bern. Shaded ravines. Not common generally. 

 0. fragilis, Bern. Rocky woods. Very common. 



473. Onoclea, L. 



0. sensibilis, L. Common in meadows and damp places. 

 O. Struthiopteris, Hosf. {StruthiopteHs Germanica, W.) 

 Common along streams and in wet places. 



474. "WooDSiA, R. Br. 



W. Ilvensis, R. Br. On rocks. Common. 



W. hyperborea, R- Br. Mansfield and Willoughby Mts. 



Priugle. Very rare. 

 W. glabella, R. Br. Willoughby Mt. Wood ; Mansfield and 



Bakersfield ledge, Pringle ; Sterling Mt., Perkins, Bates. 

 W. obtusa. Torr. Rocky hillsides. 



475. DicKSONiA, L'Her. 



D. pilosiuscula, Will. (D. punctilobula, K.) Common in moist 

 woods. 



476. OSMUNDA, L. 



O. regalis, L. Swamps. Common. 



O. Olaytoniana, L. Common. 



O. cinnamomea, L. Pastures. Common. 



LYOOPODIACEiE. 



477. Lycop^dium. Ground Pine. Running Pine. 



L. SelagO, L. Mountain summits. 



L. innundatum, L. Sterling Pond, Pringle ; Ripton and Wal- 



lingford, and elsewhere, Brainerd. 



L. lucidulum, Mx. Mountain forests. Common. 



L. annotinum, L. Woods. 



L. dendroidnm, Mx. Woods. Common. 



L. clavatum, L. Dry woods. Common. 



L. complanatum, L. Woods. Common. 



SELAGINELLAOE^. 



478. Selaginella, Beauv. 



S. rupestris, Sp. Dry rocks. Common. 

 S. apns, Sp. Damp ground. Not common. 



