—125— 



194. Pteris cretica L. Rare; on banks and walls. 



Georgia and Southern Florida ; also around the 

 world in the tropics. 



195. Pteris longifolia L. Long-leaved Bracken. 



Common ; on walls and rocky banks. Florida 

 Alabama and Louisiana near the Gulf ; also 

 throughout the tropics. 



196. Pteris serrulata L. f. Saw-leaved Bracken. 



Common on old walls. South Carolina to 

 Louisiana and Florida, mostly near the coast; 

 also in China and Japan. According to Chris- 

 tiansen, this is properly Pteris multifida Poir. 



Scolopendrium J. E. Smith. 



197. Scolopendrium vulgare J. E. Smith. Hart's- 



tongue Fern. Rare and local ; in moist ra- 

 vines and rocky woodlands. New Brunswick, 

 Ontario, Central New York and Tennessee; 

 also in Europe, Asia Minor, Persia, Japan and 

 Mexico. Phyllitis scolopendrium (L.) ; Scolo- 

 pendrium scolopendrium (L.) 



Struthiopteris Willd. 



198. Struthiopteris Germanica Willd. Ostrich 



Fern. Common or abundant ; in moist shades, 

 especially along streams. Nova Scotia to Vir- 

 ginia, Iowa and British Columbia ; also in nor- 

 thern and central Europe and in Asia. The form 

 pubescens Terry is reported from Connecticut. 

 — Onoclea Struthiopteris Hoffm. ; Matteuccia 

 struthiopteris (L.) 



Taenitis Sw. 



199. Taenitis lanceolata ( L. ) Not common ; on the 



trunks of trees. Florida; also in the West 

 Indies, Guiana and Guatemala. — Cheilo gramma 



