Indigofera.] 
LEGUMINOSiE. 
71 
Stipules lanceolate, persistent ; leaflets 7-9, short- stalked, alternate, 
obovate-oblong, obtuse, in. long, thinly silvery. Racemes peduncled, 
many-flowered, exceeding the leaves. Calyx yL—- §- i n - l° n g; teeth 
setaceous, exceeding the tube. Corolla purple, twice as long as the 
calyx. Pod linear, deflexed, straight glabrous, under an inch long ; 
seeds 6-8. Beauv. FI. Owar. t. 84 ; Bot. Reg. t. 789. I. anceps, Vahl. 
I. Scbimperiana, Hochst. I. pusilla, Lam. Fncyc. iii. 248. 
Mauritius, in grassy places round Port Louis, as Champ de Mars and He aux 
Tonneliers. Through the Tropics of Old World, also Cape. I. pusilla , Lam. is a 
trailing shore form with 3-5 very small leaflets. I. enneaphylla , Bojer, Hort. Maur. 
91, seems to be this species, not the true plant of Linnaeus. 
3. TEPHROSIA, Pers. 
Calyx-tube campanulate ; teeth distinct, subequnl, deltoid or lanceo- 
late. Petals clawed ; standard suborbicular ; keel incurved, not 
rostrate. Stamens diadelphous ; anthers obtuse, uniform. Ovary 
sessile, linear, many-ovuled ; style much incurved,- filiform or flattened, 
glabrous or bearded ; stigma capitate, often penicillate. Pod linear, 
flattened, many-seeded, two-valved, continuous within. — Herbs or 
shrubs, with imparipinnate silky leaves, entire narrow subcoriaceous 
leaflets and flowers in peduncled leaf-opposed racemes. Distbib. All 
round the world in the tropics. Species 100. 
Undershrub with large narrow oblong leaflets .... * T. tinctoria. 
Herbs with oblanceolate leaflets. 
Pod glabrescent 1. T. purpurea. 
Pod clothed with minute spreading hairs . . . . . 2. T. Hooreriana. 
* T. tinctoria , Pers. ; DC. Prod. ii. 252 (T. nervosa , Pers. ; T. hypar- 
gyrcea , DC.), a native of the East Indies, is naturalised in Mauritius 
on plains round Moka. It is an erect undershrub, with woody 
branches, densely clothed with grey or brown velvety pubescence, 
leaflets 5-9 casually solitary firm linear-oblong 1-4 in. long, the 
end one much the largest, very silky below, flowers few in long- 
peduncled close racemes, calyx ^ in. long with deep setaceous teeth, 
corolla silky three times as long as the calyx, pod glabrescent 2-2| 
inches long 10-12-seeded, and bearded flattened style. 
1. T. purpurea, Pers. ; DC. Prod. ii. 251. A copiously-branched 
suberect perennial herb 1-2 feet high. Branches slender, firm, terete 
a little silvery. Stipules linear-lanceolate; leaflets 13-21 oblan- 
ceolate, obtuse or subacute, |-1 inch long, opposite, nearly sessile. 
Racemes lateral, peduncled, many or few-flowered. Calyx ± in. long ; 
teeth linear-subulate, as long as the tube. Corolla twice as long as 
the calyx. Pod ensiform, 1J-2 in. long, glabrous ; seeds 6-10 ; style 
flattened, subglabrous, penicillate at the apex. G-alega purpurea, Linn. 
T. leptostachya, DC. T. lanceaefolia, Link. 
Common on hills and plains through Mauritius, Rodriguez, Seychelles. All 
round the world in the tropics. Indigo sauvage. T. pumila, Pers. ; DC. Prod. ii. 
254 (T. timoriensis, DC. ; T. diffusa, Wt. and Am.), is a dwarf much-branched diffuse 
