512 
FOXWORTHY. 
KEY TO DIPTEROCARP WOODS. 
w. Wood hard and moderately heavy to very heavy. 
b. Yellowish -brown or whitish when first cut. 
c. Resin very scanty; pith-rays evidently of two kinds; pores small.... Resak 
cc. Resin distinctly present in whitish concentric lines. 
d. Distinct parallel transverse lines on tangential section. Chengal 
dd. Lines not present as above. 
e. With glistening fracture. 
f. Straw-color or almost white when fresh Mangachapuy 
ff. Light- to dark-brown.... Yacal 
ee. Without glistening fracture Penioio 
bb. With distinct reddish color. 
c. Resin not abundant; very straight-grained Kapor 
cc. Resin abundant, not so straight-grained. 
d. Pores medium size Guijo 
dd. Pores large — Apitong 
aa. Wood moderately hard or soft; light to moderately heavy. 
b. Distinctly reddish. 
c. Vessels of medium size or small; wood fine-grained Tanguile 
cc. Vessels large Red lauan 
bb. Usually white or yellowish, reddish tinge faint, if present. 
c. Yellowish-white. 
d. Pores in definite patterns Mangasinoro 
dd. Pores scattered Palosapis 
cc. Grayish-white or with faint pinkish tinge. 
d. Faint pinkish tinge present Almon 
dd. Grayish-white or with slight brownish tinge White lauan 
SPECIES NOTES. 
The following notes are intended to serve as a list of the better 
known commercial species and to indicate the distribution and give the 
more important literature on the wood of each. 
Anisoptera giabra Ivurz. Thinkadu (Burma). 
British India, Burma, Malay Peninsula. 
Used in boat building. 
Ridl. 60; Gamb. 73. 
Anisoptera palembanica Miq. Basoeng (Sumatra). 
Van Eed. 26. 
Anisoptera thurifera Blanco. Plate XXVIII, fig. 74. Mayapis or Palosapis. 
Philippines. 
Phil. Woods 389. 
Balanocarpus maximus King. Chenghei; penak (M.). 
Malay Peninsula. 
Ridl. 62. 
Balanocarpus penang ianus King. Damar hitam (M.). 
Malay Peninsula. 
Ridl. 62. 
