ASPI.ENiUM, § EUASPLENIKM. 137 



son, Syn. Fil. Afr. Austr. p. 19. A. trichomauoides, Cav. 

 Deni. 257. n. 635 {not Mich.). A. melanocaulou, IFi/ld. Sp. 

 PL V. p. 332. K;:e. in Pwpp. Fil. Exsicc. A. liarovii, Godr. 

 A. microphyllum, 2\ni'o [fide Met ten.). A. saxatile, Salisb. 

 Prodr. p. 403. A. densum. Brack. Fil. U. S. Expl. Exp. p. 

 151. /. 20. A. dichrouin, Kze. [Moore). A. heterocliroum, 

 Kze. in Linntea, ix. p. 67. Moore, Ind. p. 136. — Var. nuijus. 

 Metten. Asplen. p. 139; larger in every part. A. anceps, 

 Sol MS. Hook, et Grev. Ic. Fil. t. 195. Moore, Ind. Fil. 

 p. 112. Aspl. castaneum, (frond 1 foot to 1^ feet long, in- 

 volucres numerous, imbricated). Sclilecht. in Linno'a, v. 

 ;>. 611. Lieb. Fil. Mex. p. 88. Metten. Aspl. p. 137. Moore, 

 Ind. Fil. p. 119. 



Hab. Stone walls and rocks, probably tbroughout Europe, Caucasus, and 

 Tauria. Greece, Hcldreich. S. Africa, Eckhn and Zeyher, Alhemtone, Drege. 

 N. S.Wales, Batburst, Paramatta, etc., A. Cunningham. Victoria, Robertson; 

 Mount Aberdeen, F. Mueller (our common form). Persia, Fischer. Gbilan, 

 Aucher-Eloi, n. 5486. East Indies, Kasbmir, Ladak, Mussoorie, Dr. Bacon, 

 n. 15 and 32, and Afgbanistan, Griffith, in tbe East, tbrougb tbe range of 

 Himalaya to Kumaon, elev. 6-12,000 feet, Moorcroft {IVallich, Cat. n. 193), 

 Jacquemont, n. 1103, and 1384, Colonel Bates (Simla), Strac/ieg and Winter- 

 bottom, P. Edgeicorth, Lady IJalhousie, etc. Bootan, near Pansa, elev. 7500 

 feet (" the only specimen"), Griffith. N. America, Canada, Mrs. Percival, 

 Saskatchawan, thence in the United States to Pennsylvania, Boott, B. Greene, 

 Br. Short. Puget's Sound, British Columbia, N. W. America, Douglas, and 

 on the Columbia, on dry rocks. New Mexico, Fendler, Coll. PI. Novo-MexicancB, 

 n. 1023. Mexico, rocks, 3000 feet elev.; Condiliera of Guadelajava, Galeotti, 

 n. 6444 (this is, according to Moore, 'Index,' tbe A. heterochroum, Kze., a 

 var. with small narrow pinnre, and a sharp auricle at the superior base). 

 Andes of Peru, McLean (pinnae larger, accompanying the more ordinary form of 

 A. Trichomanes, but pinnic more rhomboid). Arid rocks, Ciudad Keal, Chiapas, 

 Mexico, singularly rigid, short, with very coriaceous deflexedly imbricated pinnse 

 with reflexed margins, the whole disc covered with confluent sori, and numerous 

 old rachises from which the pinna; have fallen. Linden, n. 1547. Tbe same 

 form exactly is in my herbarium from the very elevated Andes of Peru, M'Lean. 

 Merida, N. Granada, Moritz, n. 329, ordinary form (from Dr. Klotzscb, named 

 A. nielanocaulon, Willd.). Eastern Peru, Mountains on the River Mayo, near 

 Tarapota, Spruce, n. 4070 (common form, mixed with specimen having pinnae 

 half an inch long). Guatemala, Skinner, and Quito, Jameson, n. 174 (pinnae 

 with a rather distinct auricle, lowest ones cordato-bastate). Sandwich Islands, 

 on Mouna lloah, Macrae, Douglas, Brackenridge ("A. densum"). West Indies. 

 Cuba, Kze. PI. Exsicc, Pvepp. in Herb. Nostr., and Jamaica, moist rocks near 

 Brokenhurst, Manchester, 3-4-5 inches high, slender, pinnae more deeply toothed 

 in general, others of the common form, Purdie. 



Var. majus. Madeira, the Azores, and Canary Islands, frequent. Tropical 

 America, Jamaica, M'Fadyen, LJartweg, n. 1522. Cordillera of Orozaba, Mexico, 

 elev. 10,000 feet, Galeotti, n. ()2b A, Linden, n. 53. Caracas, Merida, Moritz, 

 n. 2192, Linden, n. 552 (pinna; more than half an inch long, subrhomboid). 

 Quitinian Andes, trunks of trees, Pilzhum (pinna; % of an inch long, diniidiato- 

 rhomboid), Jameson. 



It is not without much labour, and the careful inspection of almost innume- 

 rable specimens, and a due regard to the views and expressed opinions of 

 VOL. III. I" 



