642 . FILICES. 
1. Aspidium (Polystichum) aculeatum, Swartz; Hook. Sp. Fil. iv. p. 18; 
Hook. et Bak. Syn. Fil. p. 252; Eaton in Proc. Am. Acad. xviii. p. 188, et Ferns N. 
Am. ii. p. 123, t. 62; Mart. et Gal. Foug. Mex. p. 67; Benth. Pl. Hartw. p. 37. 
Polystichum pallidum, Fourn., P. distans, Fourn., P. Miilleri, Fourn., P. confluens, Fourn., et 
P. drepanoides, Fourn. Mex. Pl. Enum. i. pp. 91 et 92 (species propriz). 
Polystichum platyphyllum, Fourn. loc. cit. p. 91, vix Presl. 
Polystichum muricatum, Fée, P. grande, Fée, P. ordinatum, Fée, et P. rhachichlena, Fée ex Fourn. 
loc. cit. 
Aspidium muricatum, Willd. Sp. Pl. v. p. 264; Kuhn, Beitr. Mex. Farrnkr. p. 11. 
Polystichum moritzianum, Klotzsch in Linnea, xx. p. 367. 
Polystichum ordinatum, Liebm. Mexicos Bregner, p. 128. 
Polystichum vestitum, Pres] (Aspidium vestitum, Swartz), Kunze in Linnea, xiii. p. 148 ; Schkuhr 
Krypt. Gewiich. t. 43. 
Aspidium hartwegii, Klotzsch in Linnea, xx. p. 366. 
Aspidium crinitum, Mart. et Gal. Foug. Mex. p. 66. 
Canaba and British CoLuMBiA, southward.—MeExico, exceedingly common and vari- 
able. The following specimens represent the principal forms in the Kew Herbarium : 
Region of Orizaba at Itzhuatlancillo (Bourgeau, 2350: ordinatum), Desierto Viejo 
(Bourgeau, 914: rhachichlena), between San Bartolo and Pueblo Nuevo, Chiapas 
(Linden, 1536: miilleri), Huatusco (Laebmann: muricatum), Itzhuatlancillo (Bourgeau, 
2350 bis: distans); GuateMaLA, Las Nubes (Hartweg, 631: hartwegii); PANAMA, 
Boquete (Seemann, 1118: vestitum).—EVERYWHERE except the coldest regions. Hb. 
Kew. | 
[A. amplificatum, Fée ex Fourn. Mex. Pl. Enum. i. p. 94=Polystichum amplificatum, 
Fée, 8° Mém. Foug. p. 89 et 9° Mém. p. 23, is an obscure species. It is recorded from 
Cordova, Schaffner. A. cheiloplotium, Fée, 8° Mém. p. 103, from Orizaba, is in the 
same category. | 
2. Aspidium (Cyrtomium) juglandifolium, Kunze; Hook. Sp. Fil. iv. p. 38; 
Hook. et Bak. Syn. Fil. p. 257; Eaton, Ferns N. Am. ii. p. 22], t. 75. fig. 5-8. 
Polypodium juglandifolium, H. B. K. Nov. Gen. et Sp. vii. t. 665. 
Phanerophlebia juglandifolia, J. Sm.in Hook. Journ. Bot. iv. p. 187; Fourn. Mex. Pl. Enum. i. p- 100. 
Amblia juglandifolia, Presl, Tent. Pterid. p. 185; Fourn. in Bull. Soc, Bot. France, xxii. p. 171. 
Phanerophlebia nobilis, Presl, Tent. Pterid. p. 85, t. 2. fig. 19; Hook. Gen. Fil. t. 49.4; Liebm. 
Mexicos Bregner, p. 124. 
Phanerophlebia tindeni, Fourn., et P. remotispora, Fourn. loc. cit. 
Phanerophilebia pumila, Fée, Gen. Fil. p. 282. 
Cyrtomium juglandifolium, Thos. Moore, et C. nobile, Thos. Moore, Ind. Fil. ii. p. “er 7. 
Aspidium pumilum, Mart. et Gal. Foug. Mex. p. 64, t. 17. fig. 1. 
Aspidium nobile, Ch. et Schl. in Linnea, v. p. 610; Kunze, Farrnkr. t. 67. 
Trxas.—Norta Mexico, Tetela del Oro, Sierra Madre (Rascon), San Luis Potosi 
(Virlet @ Aoust); Soura Mexico, Chiapas &c. (Ghiesbreght, 414), Mirador (Liebmann), 
around Mexico (Schmitz ; Schaffner ; Graham); region of Oaxaca (Galeotti, 6343, 
6554), region of Orizaba (Bourgeau, 2348), pine forests of Ciudad Real, Chiapas 
