316 keys to the ferns of Borneo 
26. T. ignobile Cesati. 
Sarawak. 
Local. 
Th is fern, described from a sterile and apparently 
ill preserved specimen, without definite statement of 
locality, may as well be regarded as unknown. 
27. T. HISPIDULUM. 
Sarawak, Dutch Borneo, Labuan, North Borneo. 
Malacca. 
28. T. grande Copel.? 
“ T. millefolium Pr.” of Cesati. 
Sarawak (Mt. Matang). 
Philippines, New Guinea. 
T. millefolium Presl., described with a creeping 
rhizome, seems to be T. maximum Bl. From Cesati’s 
reference to van den Bosch, Hymen. Javan., Tab. XX., 
the figure of a fern with an erect stem, it seems likely 
that his fern was T. grande. 
29. T. RACEMULOSUM V. d. B. 
“Borneo,” Sarawak (Bungo range). 
Endemic. 
30. T. PAPILLATUM K. Mlill. 
Sarawak, Dutch Borneo. 
Philippines. 
Bornean plants determined at Kew as T. rigidum 
Sw. are likely to be either this species or T. cupressoides. 
31. T. saxatile Moore. 
“ Borneo.” 
Endemic. 
Brooks and Hewitt No. 27, from Bungo range, 
Sarawak, is possibly this species. 
32. T. cupressoides Desv. 
Very common. 
Oriental Tropics. 
See note under T. papillatum. Rosenstock describes 
a small and narrow form as “var. minorB 
