KEYS TO THE FERNS OF BORNEO 
313 
II. T. PALMATIFIDUM K. Mull. 
Dutch Borneo, Kinabalu. 
Java. 
Subgenus III. DIDYMOGLOSSUM. 
a. False vein marginal [Cvepidomanes), 
b. Not hairy 
bi. Hairy 
12. T. humile. 
20. T. vestitum. 
a 1. With submarginal false veins. 
b . Many false veins present 
13. T. bi-labia turn . 
b 1. With very few false veins beside the 
broken submarginal one 
14. T. recedens. 
b 2. Without false veins except the broken 
submarginal one. 
c. Rachis winged 
15. T. bipunctatum. 
c 1. Rachis mostly terete. 
d. Lips spreading, rounded 
Apex of indusium broadly revolute 
16. T. bvevipes. 
17. T. microlivion. 
12. T. HUMILE Forst. 
Sarawak, North Borneo (common). 
Malaya to Formosa and New Zealand. 
13. T. bilabiatum Nees et Bl. 
Common. 
Malaya to Melanesia. 
14. T. recedens Rosenst. 
Dutch Borneo (between Kundim Bharu and Batu 
Babi). 
Local. 
15. T. BIPUNCTATUM Poir. 
Common. 
Tropics and Subtropics of Old World. 
16. T. brevipes (Pr.) Baker. 
Sarawak. 
Leyte. 
17. T. microlirion Copel. 
Sarawak. 
Endemic. 
