KEYS TO THE FERNS OF BORNEO 
407 
no. P. lomarioides (J. Sm.) Kze. 
Dutch Borneo. 
Malaya to Formosa. 
in. P. mirabile C. Chr. 
Dutch Borneo. 
Amboyna. 
Subgenus VI. DRYNARIOPSIS. 
112 . P. HERACLEUM Kze. 
Kinabalu {coll. Topping). 
Malaya, New Guinea. 
58. PROSAPTIA Presl. 
a. Fronds cut almost to the costa 1. 
a*. Fronds cut to a wing 2 mm. or more broad 2. 
as. Fronds pinnate, pinnae not in contact 3. 
1. P. contigua (Forst.) Presl. 
Common. 
Malaya to Ceylon and Polynesia. 
2. P. alata (Blume) Christ. 
Sarawak, Dutch Borneo. 
Malaya to India and Samoa. 
3. P. linearis Copel. 
Kinabalu (Paka cave). 
Luzon (Mt. Pulog). 
59. OREOGRAMMITIS Copeland. 
O. Clemensi^e Copel. n. sp. 
Kinabalu, near the summit. 
Local. 
* 
60 . LOXOGRAMME (Blume) Presl. 
a. Fronds dimorphous. 
b. Sterile fronds broadly elliptic 1. L. con/erta. 
b 1 . Sterile fronds narrowly oblanceolate 2. L. iridifolia. 
a 1 . Fronds uniform. 
P contigua,. 
P. alata. 
P. linearis. 
1 
