64 PHILIPPINE RESINS, GUMS, AND OILS 



like balau and yields about 25 per cent of water, 35 per cent 

 of oil, and 40 per cent of solid residue. It probably consists 

 of water, sesquiterpene oils, and solids. 



Dipterocarpiis vernicifluus reaches a height of 40 to 45 meters 

 and a diameter of 160 to 180 centimeters. The bole is straight, 

 regular, and reaches a length of 28 to 32 meters. It usually 

 has very prominent buttresses. The bark is from 5 to 8 milli- 

 meters thick, light brown to gray in color, scaling in large 

 patches, and is covered with numerous corky pustules. The 

 inner bark is brown to reddish brown and stringy in texture. 

 The young stems and the midrib and secondary nerves of the 

 leaves are covered with long hairs. The leaves are alternate, 

 leathery, pointed at the tip, rounded at base, from 10 to 23 

 centimeters long, and 6 to 13 centimeters wide. The flowers 

 are about 4 centimeters long, white, tinged with pink, and very 

 fragrant. The fruits are rounded, about 1.5 centimeters in 

 diameter and bear two long wings which are about 12 centi- 

 meters in length and 2 or 3 centimeters in breadth. The wood 

 is very similar to that of Dipterocarpus grandiflorus and has 

 the same uses. 



This species abounds in regions with a pronounced dry season 

 and has been reported from the following localities : Cagayan, 

 Isabela, Ilocos Norte, Ilocos Sur, Pangasinan, Zambales, Nueva 

 Ecija, Pampanga, Bulacan, Bataan, Rizal, Laguna, Tayabas, Ca- 

 marines, Marinduque, Polillo, Negros, Samar, Leyte, Palawan, 

 Misamis, Surigao, Agusan, Davao, Cotabato, and Zamboanga. 



