FOREIGN FERNS. 
3 
the European Bristle Fern ( Trichomanes radicans) ; the 
Common Adder’s Tongue ( Ophioglossum vulgatuin), fig. 4. 
Foreign Ferns. 
The Ostrich Fern ( Struthiopteris Gevmanicd) ; Clay¬ 
ton’s Osmund ( Osmunda Claytoniand) ; the Florida Fern 
