, PLANTS OF NORTH ELBA 155 



Dryopteris cristata (Z.) Gray 

 Aspidium cristatum Sw. 

 Crested shield fern 

 Swamps and swampy woods. Common. 



Dryopteris marginalis (Z.) Gray 

 Aspidium marginale Sw. 

 Marginal shield fern. Evergreen shield fern 

 Woods. Rare. Wood's sap works. 



Dryopteris acrostichoides {Mx.) Kuntze 

 Aspidiujn acrostichoides Sw. 

 Christmas fern 

 Rocky places. Rare. Newman farm. A pretty evergreen fern. 



Cystopteris fragilis (Z.) Bemh. 

 Brittle fern 

 Rocks and wet places. Pulpit rock and Rocky hill 



Cystopteris bulbifera (Z.) Bemh. 

 Bulblet cystopteris 

 Wet places and rocky cliffs. Rare. Newman farm.. 



Onodea sensibilis Z. 



Sensitive fern 

 Wet places and swamps. Common. August. 



Onoclea Struthiopteris (Z.) Hoj^m. 



Ostrich fern 



Moist or wet places. Near the Notch house and on Newman farm 



Woodsia Ilvensis (Z.) R. Br. 

 Rusty Woodsia 

 Rocks and precipices. Pulpit rock and Indian pass. 



