KEYS TO THE FERNS OF BORNEO 4OI 
56. P. TAENIOPHYLLUM Copel. 
Sarawak. 
Endemic. 
57 - P. subecostatum Hooker. 
Sarawak. 
Endemic. 
58. P. ACCEDENS Bl. 
Sarawak, Dutch Borneo. 
Malaya, Polynesia. 
59. P. Wrayi Baker. 
Sarawak. 
Sumatra, Malacca. 
60. P. curtidens Christ. 
Dutch Borneo. 
Local. 
61. P. stenopteris Baker. 
Sarawak, Dutch Borneo, North Borneo. 
Endemic. 
62. P. soridens Hooker. 
Sarawak, Dutch Borneo, North Borneo. 
Endemic. 
63. P. stenophyllum Bl. 
Common. 
Malaya to Fiji. 
64. P. revolutum C. Chr. 
Common. 
Malaya to New Caledonia. 
65. P. sarawakense Baker. 
Sarawak, North Borneo. 
New Guinea. 
66. P, holophyllum Baker. 
Sarawak. 
Endemic. 
Christensen reduces this to P. flab ell iveniuni* 
