31. Indigofbea.] 43. JP AV1LIONACEM. 



II. L. 3-foliolate. 



Erect 2-3 ft End leaflet sessile . . .6. trita. 

 Branches trailing or sub-erect. End leaflet 

 stalked 7. trtfoliata. 



III. L. simple. 



Small weeds only, of which I, linifolia has a 

 small quite globose 1-seeded pod. The 

 roots are often copiously tubercled. 



1. I. arborea, Roxb. (Syn. I. putchella of • the F.B.I, 

 and the better known name, but vide Prain " Bengal Plants " 

 p. 1274). Hutar, Utar. K. ; Dare hntar, S.) Jirhul, Jirnl, 

 Kharw. 



A much-branched shrub 4-8 ft. high with impari-pinnate 

 leaves 3-6" long, usually 6-8 pre. of oblong or oblong-obovate 

 opp. and sub-opp. lflts. f-1" long and numerous rather dense 

 racemes of bright pink flowers. Caducous silky bracts only 

 covering the very voung buds. Pods straight slender 1J-2" 

 loDg, sutures thickened. 



Very common in forests on the hills. Fls. Nov.-Feby. Fr. Feby.- 

 April. Quite deciduous in very dry seasons, usually, partially so. 



Branches sulcate with grey appressed hairs, glabrescent. Lflts. $'' by 

 i'' to 1±" by §*, obtuse or emarginate apiculate appressed hairy both 

 sides. Base rounded. Racemes axillary and from leaf scars 1-4" with 



oblong cuspidate bracts \~£'. Fls. \-%'' pink. Calyx small cup-shaped 

 oblique subpetaloid 5-toothed pubescent. Standard broadly elliptic £" 

 broad, not clawed or spurred. 



The flowers are eaten. " A decoction of the root is given for oough," 

 Camp. 



A form is found in Manbhum with black scales in addition to the 

 ordinary hairs. 



2. I. tinctoria, L. Ceylon Indigo. JNil, Lil, E. 



An ereot shrub with thinly-hairy branches and leaves 2-3'' long. 

 Pods nearly straight 8-12-seeded. 



Prain distinguishes I. tinctoria and I. sumatrana. They are united in 

 the P.B.I. I have no specimens. It is said to occur wild in Chota Nagpur, 

 and Wood says that it is cultivated in Manbhum. 



3. I. glabra, L. Syn. I. pentaphylla, F.B.I. 



341 



