AN ENUMERATION OF CULTIVATED FEENS. 157 



36. L. elongata, Presl. Polypodium elongatum, Ait. Aapi- 



diura elongatum, 8w. ; Hook, et Grev. Ic. Fil. t. 234. — 

 Madeira. 



37. L. varia, Moore. Polyp^odium varium, Linn. Aspidium 



varium, 8w. ; HooTc. 8p. Fil. 4, t. 226. Lastrea 

 opaca, Sooh. — China, Japan. 



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



Sook. 8p. Fil. 4, 1. 155.— St. Helena. 



39. L. marginalis, Presl. Polypodium marginale, Linn. 



Lowe's Fei-ns, 6, t. 26. Aspidium miarginalis, 8w. 

 Bchk. Fil. t. 46 B; Lowe's Ferns, 6, t. 6.— Nortli 

 America. 



40. Ii. Goldiana, Fresl. Nephrodium Goldianum, Sooh. et 



Grefo. Ic. Fil. t. 102. — North America. 



41. L, erythrosora, /. Sm. Nephrodium erythrosorum, 



Eat; Sook. 8p.Fil. 6, i. 253.— Japan. 



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



Aspidium Mexicanum, Kunze. — Mexico. 



fff Fronds tripimnate, 6-6 feet long; stipes thick, 

 .paleaceous ; pirmce 2-2^ feet long, more or less villose ; pirm/ules 

 4-8 inches Jong, lanceolate-acuminate, deeply pimnatifid; seg- 

 ments entire or pinnatifidly lobed; ultimate lobes unisorous. 

 Indusivmi almost peltate. (Megopteris.) 



43. Ii. villosa, Presl. Polypodium viUosum, Sw. (Plum. Fily 



t. 27). Aspidium vUlosum, Sw.; Bchk. Fil. t. 46. 

 Nephrodium (Lastrea) Tillosum, Sook. Bp. Fil. 

 t. 264.— West Indies. 



■f I \\ Fronds lanceolate or deltoid, li-tripimmate, genernll; 

 fragile, orenate, dentate, or uneguall/y lariated, often spinuloso 

 ' Veins forked. (Lophodiam.) 



44. L. dilatata, Presl; Lindl. and Moore's Brit. Ferns, t. 22 ; 



Bowerby's Ferns, t. 13. Aspidium dilatatum, Bm. ; 

 Eng. Bot. t. 1461. Neplirodium spinulosum, var. 

 dilatatum, Sook. Brit. Ferns, t. 19. 



