KEYS TO THE FERNS OF BORNEO 
371 
ig. T. CRENATA Cav. 
Asp. repandum Willd. 
A. persoriferum Copel. 
Sarawak, Dutch Borneo. 
Malaya to Polynesia. 
Indusia peltate and reniform. 
20. T. Hosei (Baker) Copel. 
Nephrodium, Baker, Ann. Bot. 5 (1891) 330. 
Sarawak. 
Endemic. 
* Indusium reniform, large. 
21. T. semibipinnata (Wall.) Copel. 
Aspidium, Wall., List. No. 388, 1829. 
Sarawak (Sarawak river, at head of salt water). 
Penang, Banca. 
Indusia reniform. 
22. T. Lobbii (Hooker) Copel. 
Sarawak, North Borneo. 
Endemic. 
Indusia reniform. 
Doubtfully distinct from the preceding species. 
23. T. gigantea (Bl.) Copel. 
Dutch Borneo. 
Java to India. 
Indusium reniform. 
24. T. malayensis (Christ) Copel. 
Kinabalu. 
Philippines, Malacca, Singapore. 
Indusium peltate. 
I suppose this is the u Aspidium coadunatum ” 
coll, by Miss Gibbs, since Topping has found it at Kiau. 
25. T. irregularis (Presl.) Copel. 
Sarawak, Dutch Borneo; probably common. 
Malaya to India and New Guinea. 
Indusium wanting. * 
