KEYS TO THE FERNS OF BORNEO 
369 
5. T. platanifolia (Mett.) Copel. 
A spidium, Mett., Ann. Mm. Bot. Lugd. Bat. 1 
(1864) 239. 
Sarawak, Dutch Borneo. 
Malaya. 
Indusium variable or wanting. 
6 . T. tricuspis (Bedd.) Copel. 
A spidium , Beddome, Handbook Suppl. p. 44, 1892. 
Dutch Borneo. 
Perak. 
Indusium peltate. 
7. T. PALMATA (Mett.) Copel. 
A spidium, Mett., Ann . Mus. Bot. Lugd . Bat. 1 
(1864) 238. 
Dutch Borneo. 
Sumatra. 
Indusia subpeltate. 
8 . T. vasta (Bl.) Copel. 
Sarawak, Dutch Borneo, North Borneo. 
Malaya to India. 
Indusium minute, peltate or reniform. 
9. T. decurrens (Presl.) Copel. 
Sarawak, Dutch Borneo, North Borneo. 
Malaya to India, China and Polynesia. 
Indusia reniform. 
10. T. SUBCAUDATA V. A. V. R. 
Dutch Borneo. 
Endemic. 
Indusia reniform, fugacious. 
11. T. murudensis Copel. n. sp. 
Sarawak (foot of Mt. Murud). 
Endemic. 
Indusia reniform and peltate. 
