AN ENUMERATION OF CULTIVATED PEENS. 157 



36. L. elongata, Presl Polypodium elongatum, Mi Aspi- 

 dium elongatum, Sw. ; Hook, et Grev. Ic. Fit. t. 2<34. 

 Madeira. 



37 L. varia, Moore. Polypodium varium, Linn Aspidium 



varium, 8w. ; Hook. Sp. Fil 4, *. 226. Lastrea 

 opaca, Hook China, Japan. 



38 L Napoleonis, J. 8m. Aspidium Napoleonis, Bory ; 



Hook. Sp. FU. 4, 1. 155. St. Helena. 



39 L. marginalis, Presl. Polypodium marginale, Unn.'* 



Lowe's Ferns, 6, t. 26. Aspidium marginalis, jw. 

 Schk. FU. t. 45 B ; Lowe's Ferns, 6, t. 6. Nortn 

 America. 



40 L. Goldiana, Presl. Nephrodium Goldianum, Hook, et 



Grev. Ic. FU. t. 102. North America. 



41 L erythrosora, /. 8m. Nephrodium erythrosorum, 



Eat.; Hook. Sp.Fil 6, t. 253. Japan. 



42. L. Mexicana, Ueb. Nephrodium Mexicanum, Presl 



Aspidium Mexicanum, Kunze Mexico. 



ftf Fronds tripinnate, 6-6 feet long; stipes thick, 

 paleaceous ; pinna* 2-2* feet long, more or less villose ; pinnules 

 4-8 indies long, lanceolate-acuminate, deeply pinnatijid ; seg- 

 ments entire or pinnatifidly lobed ;^ ultimate loles umsorous. 

 Indusium almost peltate. (Megopteris.) 



43. L. villosa, Presl Polypodium villosum, Sw ^ m : F ^ 



t 27) Aspidium villosum, Sw.; Schk. JJii. t. 40. 

 Nephrodium (Lastrea) viUosum, Hook. Sp. Fil 

 t. 264. West Indies. 



fttt Fronds lanceolate or deltoid, U-tripinnate, generall; 

 fragile, crenate, dentate, or unequally lacmiated, often spinulose 

 Veins forked. (Lophodium.) 



44 L dilatata, Presl; Lindl and Moore's Brit. Ferns, $.22 ; 

 Soioerby's Ferns, t. 13. Aspidium dilatatum, 8m.; 

 Eng. Bot. I 1461. Nephrodium spinulosum, var. 

 dilatatum, Hook. Brit. Ferns, t. 19. 



