LEGUMINOSAE 243 



26. LOUREA Necker 



Erect or spreading herbs with thin, stipellate, 1- to 3-foliolate leaves. 

 Flowers in terminal, simple or panicled racemes. Calyx thin, campanulate, 

 enlarged in fruit, the teeth lanceolate, as long as the tube. Corolla equaling 

 or longer than the calyx; «taaidard broad; keel obtuse. Stamens diadel- 

 phous. Ovary few-ovuled; style inflexed, slender. Pod of few, small, 

 distinct, L-seeded, smooth, veined joints; included in the calyx. 



Species 4, India to China, Malaya, and Australia, 2 in the Philippines, 

 the following introduced. 



.* 1. L. VESPEETiLiONis (L.) Desv. 



Erect, slender, about 60 cm high, the upper parts finely pubescent. 

 'Leaves with 1, rarely 3 leaflets, green, mottled or clowded with white, the 

 end one several times broader than long, 4 to 7 cm wide, usually less 

 than 1 em long, the halves linear to lanceolate, spreading, apex broadly 

 marginate. Racemes slender 3 to 12 cm long. Flowers small. Calyx jnT 

 fruit about 1 cm long. Pod of 4 or 5 joints. (PI. Filip. pi. 201.) 



Occasionally cultivated in Singalon for ornamental purposes. A native 

 of India, now widely distributed in the tropics, wild or cultivated. 



27. INDIGOFERA Linnaeus 



Erect branched herbs, shrubs, or small trees, more or less pubescent. 

 Leaves pinnate, sometimes simple or 3-foliolate. Flowers small, in many- 

 flowered, axillary racemes. Calyx small, campanulate, 5-toothed, the teeth 

 subequal or the lowest one longest. Standard obovate, the keel straight, 

 spurred on each side near the base. Stamens diadelphous. Ovary few- 

 to many-ovuled; style short; stigma capitate, usually penicillate. ' Pod 

 usually linear-cylindric, often curved. (So named because some species 

 yield indigo.) 



Species about 300 in all tropical regions, 8 in the Philippines. 



1. Pods densely hirsute with spreading hairs; densely pubescent plants. 



1. J. hirsuta 

 1. Pods glabrous or nearly so, not hirsute; nearly glabrous plants. 



2. Pods much curved, 1 to 1.5 cm long, 6- to 8-seeded.... 2. 7. suffruticoea 

 2. Pods straight or curved only at the apex, 2 to 3 cm long, 8- to 12-seeded. 



3. 7. tinctoria 



1. I. HiBSUTA L. Tayom-tayoman (Tag.). _ 

 An erect, branched, annual, suffrutescent herb 0.4 to 1 m high, the 



stems reddish-brown, covered with spreading brown or purplish hairs. 

 Leaves 8 to 15 cm long, the stipules linear, hirsute, 1 cm long; leaiHets 

 5 to 11, obovate, pubescent, pale, beneath, 1.5 to 3 cm long. Racemes 

 axillary, dense, 6 to 20 chi long, hirsute. Flowers about 6 mm long, the 

 calyx hirsute, the corolla reddish-purple, slightly exserted. Pods straight, 

 reflexed, 1.5 to 2.5 cm long, about 2.5 mm wide, ctlvered with brown, 

 spreading hairs. 



In open grass lands, waste places, et(^ fl. most of the year; widely 

 distributed in the Philippines, but surely introduced here. Tropics generally. 



2. I. SUFFBUTICOSA Mill. (7. anil L.). Tayom (Tag.); Indigo. 



An erect, branched, suffrutescent plant 1 m high or less, slightly pubes- 

 cent with short, appressed hairs. Leaves 5 to 8 cm long; leaflets 9 to 11, 



