— n6— 



Nephrodium spinulosum x cristatum (Lasch.), furcata. 

 Rhenish Provinces. 



Nephrodium cristatum Desv. /. furcata, Potsdam; /. cristata, 

 Silesia. 



Aspidium trifoliatum L. /. cristata. Cuba. 

 Fadyenia prolifera Hook. /. furcata. Cultivated. 

 Polystichum lonchitis Roth /. bifida and /. furcata. Switzer- 

 land. 



Polystichum lobatum Presl. /. furcata. Rhenish Provinces. 



Polystichum polyblepharum (Roem.) /. bifida. Cultivated. 



Polystichum aculeatum Roth /. bifida and /. geminata. Rhen- 

 ish Provinces. 



Polystichum Braunii Diels /. bifida. Caucasus. 



Nephrolepis philippinensis f. furcata. Cultivated. 



Lindsaya triquetra Christ. /. bifida. New Guinea. 



Athyrium filix-foemina Roth /. bifida and /. furcata, Rhenish 

 Provinces ; cristata, Westmoreland. 



Athyrium Michauxii Sprgl. /. furcata. North America. 



Scolopendrium vulgare Smith /. furcata, Rhenish Provinces, 

 Westmoreland ; /. cristata, Rhenish Provinces. 



Asplenium hemionitis L. /. furcata. Azores. 



Asplenium viride Huds. /. furcata, Westmoreland; f. cristata, 

 Wurtemberg. 



Asplenium trichomanes h. f. furcata. Hessia. 



Asplenium ruta-muraria L. /. furcata and f. geminata. Rhenish 

 Provinces, Switzerland. 



Asplenium adiantum-nigrum L. f. cristata. Riviera. 



Asplenium lanceolatum Huds. f. furcata. Ireland. 



Asplenium fontanum Bernh. /. bifida and furcata, Scotland ; 

 /. cristata, Scotland, Switzerland. 



Asplenium Fabianum Moore furcata. Cultivated. 



Ceterach ofhcinanum Willd. /. bifida. Rhenish Provinces. 



Ceterach aureum Link furcata. Teneriffe. 



Blechnum hastatum Kaulf. bifida. Chile. 



Blechnum brasiliense Desv. /. furcata. Cultivated. 



Blenchnum gibbum Mett. /. furcata. Cultivated. 



