ENUMERATION OF PHILIPPINE LEGUMINOSAE. 65 



pratense Linn., "red clover," Merrill J,323, cultivated at Baguio, Province of 

 Benguet, Luzon, and by an unnumbered specimen collected by Mrs. Clemens at 

 Camp Keithley, Mindanao. T. repeats Linn., "white clover," Merrill J,319, near 

 construction camps on the Benguet Road, Province of Benguet, Luzon. 



34. INDIGOFERA Li 



inn. 



Leaves simple; pods globose, small, 1-seeded ( § SpiiAERiDroPiioRA) .. 1. /. linifolia 

 Leaves simple, trifoliolate, or pinnate; pods oblong or linear, seeds several to 

 many ( § Euindigofera) . 



Leaves simple 2. /. unifoliolata 



Leaves trifoliolate 3. /. trifoliata 



Leaves pinnate. 



An erect shrub or tree 3 to 8 m high; calyx shortly toothed; pods ascending 



or spreading, not reflexed 4. /. zollingeriana 



Herbaceous, suffrutescent, or shrubby, less than 1 m high; cah^ deeply 

 cleft; pods reflexed. 

 Stems, leaves and inflorescence densely pubescent; pods straight, densely 



hirsute with spreading, usually brown hairs 5. /. hirsuta 



Glabrous or subglabrous, if at all pubescent, tlien the hairs short, scattered, 

 appressed; pods straight or curved. 

 Racemes elongated, 13 to 20 cm long; pods laxly arranged, straight. 



G. I. nigreseens 

 Racemes short, 3 to 5, rarely 10 cm in length. 



Pods short, much curved, 1 to 1.5 cm long, G- to 8-seeded; leaves acute 



or subacute, acuminate 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. I. tinctor^ 



1. Indigofera linifolia Retz. Obs. 4 (1786) 29; DC. Prodr. 2 (1825) 222; 

 Baker in Hook. f. Fl. Brit. Ind. 2 (1876) 92; Merr. in Philip. Journ. Sci. 1 

 (1906) Suppl. 195. 



SphaeridiopJiorum linifolium Desv. Journ. Bot. 3 (1813) 125, /. 6, fig. 3.5. 



Luzon, Province of Ilocos Norte, For. Bur. 15506 Mcrritt d DnrUng: Prov- 

 ince of Benguet, Merrill 4387. 



Abyssinia and Afghanistan through India to southern China, the ]klalay 

 Archipelago and northern Australia; not reported from the Malay Peninsula. 



2. Indigofera unifoliolata sp. nov. § Euiiidigofera, Simplicifoliae. 



Ereeta., suffruticosa, circiter 40 cm alta, ramis raniulisque 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-tioris; leguminibus anguste oblongis, 1 ad 1.5 cm longis, reflexi.-^, 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 Avith short appressed liairs on both surfaces, the apex 



93664 5 



