ENUMERATION OF PHILIPPINE LEGUMIN OSAE. 
65 
pratense Linn., “red clover,” Merrill 4323, cultivated at Baguio, Province of 
Benguet, Luzon, and by an unnumbered specimen collected by Mrs. Clemens at 
Camp Keithley, Mindanao. T. repens Linn., “white clover,” Merrill 4319, near 
construction camps on the Benguet Road, Province of Benguet, Luzon. 
34. INDIGOFERA Linn. 
Leaves simple; pods globose, small, 1-seeded ( § Spiiaeridiophora) .. 1. I. linifolia 
Leaves simple, trifoliolate, or pinnate; pods oblong or linear, seeds several to 
many ( § Euindigofera) . 
Leaves simple 2. 7. unifoliolata 
Leaves trifoliolate 3. 7. trifoliata 
Leaves pinnate. 
An erect shrub or tree 3 to 8 m high ; calyx shortly toothed ; pods ascending 
or spreading, not reflexed 4. 7. soiling eriana 
Herbaceous, suffrutescent, or shrubby, less than 1 m high; calyx deeply 
cleft; pods reflexed. 
Stems, leaves and inflorescence densely pubescent; pods straight, densely 
hirsute with spreading, usually brown hairs 5. 7. hirsuta 
Glabrous or subglabrous, if at all pubescent, then the hairs short, scattered, 
appressed ; pods straight or curved. 
Racemes elongated, 13 to 20 cm long; pods laxly arranged, straight. 
6. 7. nigrescens 
Racemes short, 3 to 5, rarely 10 cm in length. 
Pods short, much curved, 1 to 1.5 cm long, 6- to 8-seeded; leaves acute 
or subacute, acuminate 7. 7. suffruticosa 
Pods straight, or curved only near the apex, 2 to 3 cm long, 8- to 
12-seeded; leaves usually rounded at the apex, acuminate. 
8. 7. tinctoria 
1. Indigofera linifolia Retz. Obs. 4 (1786) 29; DC. Prodr. 2 (1825) 222; 
Baker in Hook. f. FI. Brit. Ind. 2 (1876) 92; Merr. in Philip. Journ. Sei. 1 
(1906) Suppl. 195. 
Sphaeridiopliorum linifolium Desv. Journ. Bot. 3 (1813) 125, t. 6, fig. 35. 
Luzon, Province of Iloeos Norte, For. Bur. 15506 Merritt <6 Darling: Prov- 
ince of Benguet, Merrill 4381. 
Abyssinia and Afghanistan through India to southern China, the Malay 
Archipelago and northern Australia ; not reported from the Malay Peninsula. 
2. Indigofera unifoliolata sp. nov. § Euindigofera, Simplicifoliae. 
Erecta, suffruticosa, circiter 40 cm alta, ramis ramulisque tenuibus, 
teretibus, adpresse pubescentibus ; foliis simplicibus, breviter petiolatis, 
anguste oblongis, usque ad 3 cm longis, obtusis, leviter adpresse pubes- 
centibus, stipulis nullis; racemis axillaribus, brevibus, congestis, 5- ad 
8-floris ; leguminibus anguste oblongis, 1 ad 1.5 cm longis, reflexis, 4- 
angulatis. 
An erect perennial from a stout woody root, about 40 cm high, 
sparingly branched, the stems and branches slender; terete, reddish- 
brown, slightly pubescent with short appressed hairs. Leaflet one, 
narrowly oblong, 1.5 to 3 cm long, 3 to 5 mm wide, chartaceous, some- 
what pubescent with short appressed hairs on both surfaces, the apex 
93664 5 
