MARYLAND WEATHER SERVICE 3S7 



Onoclea struthiopteris (L.) Hoffm. Ostrich Fern. 



Midland Zone; moist flood plains; rare. 

 Baltimore County, Warren (Robert K. Miller). 



Woodsia obtusa (L.) R. Br. 



Midland Zone; steep banks and shaded rocks; infrequent. 

 Washington County, Hancock (692) ; Frederick County, Sugar Loaf 

 (1760). 



Dicksonia punctilobula (Michx.) A. Gray. Hay-scented Fern. 



Infrequent in the Coastal Zone, frequent in the Midland and Mountain 

 Zones; in moist and dry forests. 



Cystopteris bulbifera (L.) Bernh. 



Found just outside the state at Cedar Cliff, Mineral County, West Vir- 

 ginia; on wet limestone rocks (1914). 



Cystopteris fragilis (L.) Bernh. 



Midland Zone; shaded banks and moist rocks; infrequent. 

 Washington County, Hancock (813). 



Dryopteris acrostichoides (Michx.) Kunze. Christmas Fern. 



Throughout the state; in moist and dry forests; common. 



Dryopteris noveboracensis (L.) A. Gray. New York Fern. 



Throughout the state; in moist forests, but commoner in open wet 

 situations. 



Dryopteris thelypteris (L.) A. Gray. Marsh Shield-fern. 



Throughout the state; in moist forests and swamps; common. 



Dryopteris simulata Davenp. 



Anne Arundel County, Glenburnie (C. E. Waters). 



Dryopteris cristata (L.) A. Gray. Crested Shield-fern. 



Throughout the state; uncommon in the Eastern Shore District, infre- 

 quent in the Western Shore District in moist forests and swamps, 

 common in the Mountain Zone in Swamps and Bogs. 

 Anne Arundel County, Leon (1552); Garrett County, Cranesville (2027). 



Dryopteris goldieana (Hook.) A. Gray. 



Baltimore County, Glyndon (C. E. Waters). 



Dryopteris marginalis (L.) A. Gray. 



Throughout the state; rare in the Coastal Zone, common in the Midland 

 and Mountain Zones; in moist forests. 



Dryopteris spinulosa (Retz.) Kuntze. 

 Midland and Mountain Zones; rare. 

 Garrett County, Finzel (961). 



