ENUMERATION OF PHILIPPINE LEGUMINOSAE. 
67 
Indigofera angustifolia Blanco FI. Filip. (1837) 596, ed. 2 (1845) 415, ed. 
3, 2: 394, non Linn. 
Luzon, Province of Cagayan, For. Bur. 18612 Elemme, Bur. Sci. 1802 Ramos: 
Province of Abra, Bur. Sci. 1120 Ramos: Province of Benguet, Williams 9i \4, 
1411 ■' Province of Pangasinan, Alberto 32: Province of Zambales, For. Bur. 
5852 Curran: Province of Rizal, Bur. Sci. 1413 Ramos, Merrill 2118: Manila, 
Merrill 3466, Cuzner 51. Mindanao, Lake Lanao, Mrs. Clemens 206. 
Native name: Tayom-tayom, tayom-tayoman (Manila). 
A weed in waste places at low altitudes, widely distributed in the Philippines ; 
tropics of the world. 
6. Indigofera nigrescens Kurz ex Prain in Journ. As. Soc. Beng. 67 2 (1898) 
286; C. B. Robinson in Philip. Journ. Sci. 3 (1908) Bot. 183. 
Luzon, Province of Benguet, Williams 925, 1413, Bur. Sci. 3462, 4213, 4396, 
4438 Mearns, Elmer 6582, Merrill 6395, For. Bur. 16225 Curran, Merritt, & 
Zscliokke. 
Khasia Mountains and southwestern China. 
7. Indigofera suffruticosa Mill. Gard. Diet. ed. 8 (1768) no. 2; Prain & 
Baker in Journ. Bot. 40 (1902) 137, 138, sub I. anil Linn. 
Indigofera anil Linn. Mant. 2 (1771) 272; Miq. FI. Ind. Bat. I 1 (1855) 307; 
F.-Vill. Nov. App. (1880) 58; Vidal Phan. Cuming. Philip. (1885) 107; 
Merr. in Philip. Journ. Sci. 3 (1908) Bot. 410; Prain in Journ. As. Soc. Beng. 
66 2 (1897) 81. 
Indigofera tinctoria Blanco FI. Filip. (1837) 591, ed. 2 (1845) 413, ed. 3, 
2:393, saltern pro parte, non Linn. 
Batanes Islands, Batan, Bur. Sci. 3596 Fenix. Babuyanes Islands, Camiguin, 
Bur. Sci. 3965 Fenix; Dalupiri, Bur. Sci. 10116 McGregor. Luzon, Province of 
Cagayan, For. Bur. 16465 Bacani, Bur. Sci. 1854 Ramos: Province of Ilocos 
Norte, Bur. Sci. 1621 Ramos, For. Bur. 13884, 15528 Merritt & Darling: 
Province of Tayabas, Whitford 601, Gregory 66. Mindoro, Merrill 812, 1261, 
For. Bur. 5411 Merritt, Bur. Sci. 6661 Robinson. Masbate, Merrill 3403. Cebu, 
Barrow 1. Guimaras, For. Bur. 21 Ritchie. Pan ay, Copeland s. n. Mindanao, 
District of Davao, Williams 2153. 
Native names: Tayom, tayung, tayum, tagum in most islands and provinces; 
pauay (Batanes Islands). Indigo. 
Widely distributed in the Philippines, formerly extensively cultivated for 
extraction of indigo. A native of tropical America, now widely distributed in 
the tropics of the world. 
8. Indigofera tinctoria Linn. Sp. PI. (1753) 751; Miq. FI. Ind. Bat. I 1 (1855) 
306; Baker in Hook. f. FI. Brit. Ind. 2 (1876) 99; F.-Vill. Nov. App. (1880) 58; 
Prain & Baker in Journ. Bot. 40 (1902) 63. 
Indigofera argentea Blanco FI. Filip, ed. 2 (1845) 415, ed. 3, 2: 394 (?) non 
Linn. 
Luzon, Province of Pangasinan, For. Bur. 4891 Curran: Province of Camarines, 
Ahern 221, Bur. Sci. 6321 Robinson. Cebu, Hallier s. n. Mindanao, District 
of Davao, DeVore & Hoover 156. 
Native names: the same as for the preceding species, also tagung-tagung 
(Davao); tayong-tayongan (Camarines). 
Like the preceding species, formerly cultivated for indigo; widely distributed 
in the tropics of the world. 
