54 THE FERNS OF BORNEO. 
A. vuleanicum, Bl. (Syn. Fil. xxxviii, 59). Mt. Matang, Lundu; 
Niah in the Baram district. Mr. Baker says of this form 
which is the same in the three places, “ receding from 
the type towards the Ceylon A. Wightianum.” 
Distribution: Malay Peninsula and adjacent Islands, 
A. tenerum, Forst (Syn. Fil. xxxviii, 61). On trees near the 
Samarahan River and elsewhere. 
Distribution : Ceylon, Malaya, Polynesia, 
A persicifolium, G. Sm. (Syn. Fil. xxxviii, 65). Sulu Islands, 
Mr. F, C. Burbidge. Kinabalu, 3,000 ft,, Dr. G. D, 
Haviland. 
Distribution : Philippines and Sandwich Islands. 
A. fuliginosum, Hk. (Syn. Fil. xxxvili, 67). Borneo, Sir Hugh 
Low. Not seen by me. 
A. borneense, Hk, (Syn. Fil. xxxviii, 68), North Borneo, Sir Hugh 
Low, and Dr, G. D. Haviland. 
Distribution : Perak, Malay Peninsula. 
A. hirtum, Kaulf. (Syn. Fil. xxxviii, 78). Sandakan, North 
Borneo, This is the 4. pellucidum, Lam, in Cesati's Fil. 
Becc. Born. p. 20. 
Distribution: Mauritius, Seychelles ; Malaya: Hongkong 
and Philippines: Ladrones and Solomon Islands. 
A. falcatum, Lam. (Syn. Fil. xxxviiil, 94). Sulu Archipelago, 
Mr. F.C. Burbidge. Niab Sarawak. | 
Distribution: Malaya, Ceylon, Indian Peninsula, Polyne- 
sia, Australia, New Zealand; Mascaren Islands, Zambesi - 
Land. 
A. caudatum, Forst. (Syn. Fil. xxxvili, 95). North Borneo, Mr. 
F. C. Burbridge. 
Distribution, Malaya, Hindostan; Polynesia, Australia : 
Comoros, Angola, Ecuador: Brazil. 
A. macrophyllum,:Sw., (Syn. Fil. xxxviii, 97). Mt. Matang, 
Lundu, Paku, etc. Sarawak. 
Distribution, Malaya, Himalayas, Neilgherries; Hong- 
kong; Polynesia ; Mauritius ; Johanna Island. 
