FILICES. 597 
6. Dicksonia rubiginosa, Kaulf. Enum. Fil. p. 226; Hook. Sp. Fil. i..p. 79, 
t. 27.4; Hook. et Bak. Syn. Fil. p. 53; Bak. in Journ. Bot. 1884, p. 362. 
Dicksonia dissecta, Hook. Sp. Fil. i. p. 77. 
Dicksonia umbrosa, Liebm. Mexicos Bregner, p. 110. 
Dennstedtia rubiginosa, T. Moore, Ind. Fil. p. 307; Mett. in Tr. et Planch. Fl. Nov. Gran., Crypt. 
p. 343 ; Fourn. Mex. Pl. Enum. i. p. 131, et in Bull. Soc. Bot. France, xxii. p. 172. 
Dennstedtia dissecta, Fourn. loc. cit. cum 8. glabrescens. 
Dicksonia coniifolia, Fourn. loc. cit. non Hook. 
Dicksonia distenta, Kunze in Linnea, xiii. p. 145, ex Fourn. 
Norta Mexico, Sierra Madre (Rascon) ; Souta Mexico, region of Orizaba (Bourgeau, 
2605, Izhuatlancillo (Bourgeau, 2343: dissecta), Chiapas, &c. (Ghiesbreght, 367; Linden, 
1537), Mirador (Liebmann ; Linden, 76); Guatemata, without locality (Skinner), Coban 
(Godman & Salvin) ; Costa Rica (Harrison); Cocos Istanp (Hinds).—West InpDIEs to 
Peru and Brazit; also in Bourson and Mauritius. Hb. Kew. 
7. Dicksonia schiedei, Baker in Hook. et Bak. Syn. Fil. p. 50. 
‘Cibotium schiedei, Ch. et Schl. in Linnza, vi. p. 616; Mart. et Gal. Foug. Mex. p. 80; Liebm. 
Mexicos Bregner, p. 127. 
Soutn Mexico, valley of Cordova (Bourgeau, 2278), Barranca de Consoquitla, near 
Mirador (Liebmann), Jalapa 4000 feet (Galeotti, 6458), Hacienda de la Laguna (Schiede 
.& Deppe). Wb. Kew. 
8. Dicksonia sellowiana, Hook. Sp. Fil. i. p. 67, t. 228; Hook. et Bak. Syn. 
Fil. p. 51. 
Sourn Mexico, Chiapas, &c. (Ghiesbreght, 352, 353); Guatemana, Chilasco (Godman 
& Salvin).—Brazit. Hb. Kew. 
9. Dicksonia wendlandi, Baker in Hook. et Bak. Syn. Fil. ed. 2, p. 460. 
Cibotium wendlandi, Mett. ex Kuhn in Linnea, xxxvi. p. 151. 
GUATEMALA, without locality (Skinner; Wendland). Hb. Kew. 
Species dubie vel non vise. 
Dicksonia multifida, Swartz; Presl, Reliq. Henk. p. 68.—Mexico. 
Cibotium horridum, Liebm. Mexicos Bregner, p. 127. 
Tribe III. HYMENOPHYLLEA. 
Three genera, namely Hymenophyllum, Trichomanes, and Loxsoma, a singular New 
Zealand monotype. 
8. HYMENOPHYLLUM. 
Hymenophyllum, Linn. ; Hook. et Bak. Syn. Fil. p. 56, et ed. 2, p. 4638, t. 2. fig. 16. 
Eighty species are described in Hooker & Baker's Synopsis; they are very widely 
‘spread in temperate and tropical regions, though absent in large areas. 
