Q( 
94 
FOXWOKTTTY. 
Structure. — Pith-rnys Piiiall but distinct. Vespels small, scattered 
Nuineroiis very fine, irregular lines of Avoofl parenchvma. 
Ahern, 1. e., 84-85 
TANGUILE, 
Fani. DIPTEROCARPACE^E. 
Shorea polysperma (Blco.) Merr. 
( Mocanera poh/fipermn HIeo. ) 
{Diptcrocarpus polyfiprntia Blco.) 
AdamuY (B.) ; araca (II.); balacbacan (V.); pnnnnsogin, tanguile 
Philippines. 
Light and moderately hard. Sp. gr. O.iOl. 
Sapwood light-colored; heartwood light reddish-broAvn. Coarse and 
straight grained. No seasonal rings. Faint resinous odor. 
Usefi. — Bancas; boat building; ]>oxes; canoes; medium-grade construc- 
tion; furniture; house construction; shipbuilding; interior cabinetwork. 
Strucinvc. — Pith-rays medium size, distinct. Vessels medium size, 
scattered. Wood parenchyma scattered. Eesin-canals scattered. 
Differs from red lauan in being heavier and harder and in splitting 
more readily. It is also of slightly darker coloi'. Tanguile does not have 
such large vessels as red lauan. 
Bull. For. Bur. Manila (1906), 4, 55; :>A ed. (1907), 4, 58. 
Ahern, 1. c, 85. 
TEAK. 
Tectona grandis L. f. 
Fam. VERBENACE>t. 
Coloyate, dalondan (V.) ; ticla (T.) ; Yati (V.). 
India and Malaya. 
Teak is of infrequent occurrence in the Archipelago. It is known to be 
found in Mindanao and on the Island of Basilan. It is reported as 
occurring in Jolo, and iu some of the other islands, but we have no 
herbarium specimens except from the places first mentioned and from 
two trees at Tanay, Rizal Province. The teak in the Maniha market 
is probably imported. 
Heavy and hard. ''Weight 40 to 58 lbs. per cu. ft." 
Sapwood white/usually small; heartwood dark golden-yellow, turning 
brown, dark brown, and finally almost black with age. Grain coarse and 
straight. Seasonal rings distinct ; ring porous. Distinct aromatic odor. 
UsQ-S. — Shipbuilding ; high-class construction; carving; furniture. 
Btruatnre. — Pith-rays moderately broad to broad. Vessels a row of 
large ones in the inner part of the ring, smaller scattered ones in the outer 
paj't of the ring. 
Ahern, 1. c., 8G-87. 
