392 MINOR PRODUCTS OF PHILIPPINE FORESTS 



An excellent account of natural indigo is given by Perkin and 

 Everest.* 



INDIGOFERA SUFFRUTICOSA Mill. TayUNG. 



Local names: Pauai (Batanes) ; tdijom (Ilocos Norte); tciyiim (Cami- 

 guin Island, Union, Cebu, Guimaras Island, Leyte, Masbate, Mindoro, 

 Pangasinan) ; tdyung (Mindoro) ; tinatind-an (Laguna) ; tiratind-an (Ri- 

 zal) ; yagom (Tayabas). 



Indigofera suffruticosa is an erect, branched, half-woody 

 plant 1 meter or less in height. It is slightly hairy. The leaves 

 are 5 to 8 centimeters long, and compound with 9 to 11 leaflets 

 which are 1 to 2 centimeters long. The flowers are red and 

 about 5 millimeters in length. The pods are numerous and 

 crowded, 1 to 1.5 centimeters long, and with 6 to 8 seeds. 



This species is a native of tropical America, but is now found 

 in many other tropical countries. It is widely distributed in 

 the Philippines in open and waste places. 



INDIGOFERA TINCTORIA L. TaYUNG-TayUNGAN. 



Local names: Tagong-tdgong (Davao) ; tayung-tayungan (Camarines) ; 

 tdyum (Batanes Islands, Pangasinan). 



Indigofera tinctoria is an erect, slightly hairy shrub 1 to 1.5 

 meters in height. The leaves are 6 to 10 centimeters long, and 

 compound with 9 to 13 leaflets which are 1.5 to 2.5 centimeters 

 in length. The flowers are small and reddish or reddish yellow. 

 The pods are 2 to 3 centimeters long and contain 8 to 12 seeds. 



This species is found throughout the tropics, but in the Phil- 

 ippines is an introduced plant. It is widely distributed in the 

 Archipelago in thickets and waste places. It is also cultivated. 



Genus INTSIA 

 INTSIA BIJUGA (Colebr.) 0. Ktze. (Fig. 1). fPlL. 



Local names: tpil (Cagayan, Zambales, Tayabas, Camarines, Sorsogon, 

 Mindoro, Palawan, Bancalan Island, Ticao Island, Samar, Leyte, Masbate, 

 Sibuyan, Capiz, Negros, Guimaras Island, Agusan, Misamis, Lanao, Zam- 

 boanga, Cotabato, Basilan) ; itil (Cotabato) ; muldto (Surigao). 



Brooks t obtained khaki shades from the wood of ipil, Intsia 

 bijuga. Concerning his results he writes : 



* Perkin, A. G., and Everest, A. E., The natural organic colouring mat- 

 ters (1918). 



t Brooks, B. T., The natural dyes and coloring matters of the Phil- 

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

 447. 



