KEYS TO THE FERNS OF BORNEO 
363 
60. D. SIMILLIMA C. Chr. 
N. simulans Baker, Jo. Bot. 26 (1888) 325. 
Sarawak. 
Endemic. 
61. D. oosora (Baker) C. Chr. 
Pulo Gaya (North Borneo). 
Local. 
62. D. ACANTHOCARPA Copel. 
Sarawak (Mts. Penrissen and Merinjak). 
Endemic. 
I have fragmentary material of at least five more 
species of the Nephrodium group, from Sarawak and 
North Borneo. 
63. D. LABUANENSIS C .Chr. 
Polypodium borneense Hooker. 
Labuan. 
Local. 
64. D. mirabilis Copel. 
Sarawak (Bidi). 
Local. 
65. D. holophylla (Baker) C. Chr. 
Sarawak (Niah). 
Local. 
66. D. firmula (Baker) C. Chr. 
Sarawak. 
< * 
Endemic. 
67. D. lineata (Bl.) C. Chr. 
Sarawak, Dutch Borneo, North Borneo. 
Malaya. 
68. D. urophylla (Wall.) C. Chr. 
Very common. 
Malaya to India, China, Polynesia and Australia. 
The D. mouhneinensis reported from North Borneo 
by Miss Gibbs is probably what I am including under 
D. urophylla. 
