NATURAL DYES OF THE PHILIPPINES 399 



Family TILIACEAE 



Genus COLUMBIA 

 COLUMBIA SERRATIFOLIA DC. AniLAU. 



A description of this species and its local names are given 

 in the section on fibers. 



A red dye is obtained locally from the bark of this plant. 



Family MALVACEAE 



Genus THESPESIA 

 THESPESIA LAM PAS D. & G. Mar.\kapas. 



A description of this species and its local names is given in 

 the section on fibers. 



The flowers of this species, according to Brooks,* contain 

 quercitin as their principal coloring matter. Quercitin is a 

 well known dye of oak bark {Quercus discolor Ait.). 



Family STERCULIACEAE 



Genus PTEROSPERMUM 

 ^JEROSPERMUM Dl VERSI FOLI U M Blanco. BAYOK. 



A description of this species and its local names are given 

 in the section on fibers. 



The bark of this tree is used for deying fish nets and cloth. 

 The preparation consists in cutting the bark into small pieces 

 and boiling it. 



PTEROSPERMUM NIVEUM Vid. BayOK-BAYOKAN. 



A description of this species and its local names are given 

 in the section on fibers. 



The bark is uesd for dyeing. Brooks f found that it con- 

 tained tannin. 



PTEROSPERMUM OBLIQUUM Blanco. Kulatingan. 



Local names: Agboi (Palawan); bdroi (Ilocos Sur) ; bayog (Pampanga, 

 Samar, Bataan) ; bayog-bayog (Zamboanga) ; bayuko (Guimaras Island) ; 

 biaog (Bataan) ; butnog (Ilocos Norte) ; kidakatingan (Tayabas) ; kula- 

 tingan, kulnkatingan (Lepanto, Benguet, Bulacan, Rizal, Laguna, Cama- 

 rines) ; kulukatiiigal (Laguna) ; pangal-linasu (Ilocos Sur) ; pangliiigain 



* Brooks, B. T., The natural dyes and coloring matters of the Philip- 

 pines. Philippine Journal of Science, Section A, Volume 5 (1910), page 

 443. 



t Brooks, B. T., The natural dyes and coloa'ing matters of the Philip- 

 pines. Philippine Journal of Science, Volume 5 (1910), page 445. 



