based are by no means perfect and the identifications 
may be in error. 
Luzon; also in Java, Sumatra, Amboina, and Te- 
nimber. 
17. Thrixspermum amplexicaule ( Bl.) Reich- 
enbach fiius Xen. Orch. 2 (1867) 121—J.J.Smith in FI. 
Buitenz. 6 (Orch. Java) (1905) 573, and in Figuren- 
Atlas pt. 5 (1912) fig CDXXX. 
Dendrocolla amplexicaulis Blume Bijdr. (1825) 288. 
Aerides ampleaieaule Lindley Gen. & Sp. Orch. PI. 
(1833) 239. 
Orsidice amplexicaulis Reichenbach filius in Bon- 
plandia 2 (1854) 98. 
Sarcochilus ampleaicaulis Reichenbach filius in Walp. 
Ann. 6 (1868) 499. 
Thrivspermum ampleaicaule is easily distinguished 
from all other members of the genus by the amplexicaul 
leaves. 
An additional synonym, but one which is based on 
extra-Philippine material and which has never been used 
for Philippine plants, is 7\lzlactnum (Griff.) Reichb.f. 
It has been figured in Griffith Icon. Pl. Asiat. 8 (1851) 
t. 320, fig. D, and by J. D. Hooker in Bot. Mag. 127 
(1901) t. 7754. 
Luzon, Mindanao; also in Malay Peninsula, Suma- 
tra, Amboina, Celebes and Banda Islands. 
18. Thrixspermum linearifolium Ames Orch. 5 
(1915) 205. 
A rare species which is easily distinguished from 
other Philippine species of the genus. 
I have seen a specimen which possibly represents an 
allied, but undescribed, species. This specimen bears the 
following data: 
[ 92 ] 
