208 



The Fern Lover's Compaxiox 



FiLiiY Ferx. Bristle Ferx 

 TricJiomanes Boschianum. Trich6ma)ic.'< rddicaiis 



Rootstocks creeping, filiform. stii)es ascending, one to 

 three inches long, thin, "\"ery delicate, jielhicid. mnch 

 divided, oblong-lanceolate, bipinnatifid. Rachis nar- 

 rowly winged. Sporangia clustered around the slender 

 bristle, which is the prolongation of a vein, and surrounded 

 by a vase-like, slightly two-lipped involucre. 



On moist, dripping sandstone cliffs. Kentucky to 

 Alabama. Often called the "Killarney fern." as it grows 

 about the lakes of Killarnev in Ireland. 



Fruiting Pinnules of Filnn- Fern 



(From Waters's ■■Ferns." Henry HoU & Co.) 



