244 CALYCIFLOR^. 



with a subulate spur, at length frequently elastically 

 deflected. Stamens diadelphous. Style filiform, 

 glabrous. Legume subterete or plane or tetragonal, 

 many-seeded, 2-valved, rarely few-seeded and ovate, 

 or 1 -seeded and subglobose : seeds ovate, truncated at 

 both ends, frequently separated by cellulose isthmi. — 

 De Cand. 



Herbaceous or suffruticose plants. Stipules distinct from 

 the petiole, small. Peduncles axillary. Flowers racemose, 

 purple, blue, or white. Leaves simple, imparl- pinnate, or di- 

 gitate. Hairs generally strigose and appressed. — Name, from 

 Indicum, a plant, described by Pliny, as brought from India, 

 and FERO, to bear. 



1. Indigofera argentea. Silvery -leaved Indigo. 



Fruticose, branches terete silky-whitish with an 

 appressed pubescence, leaflets 1-2-paired obovate 

 sericeo-pubescent, racemes shorter than the leaf, 

 legumes pendulous subcompressed torulose canescent 

 2-4-seeded. 



I. articulata, Guoan, III. 49. — I. glauca, Lamarck^ Eneycl. 

 III. 236. — I. tinctoria, Forsk. descr. 138. 



HAB. Cultivated. 



FL. Throughout the year. 



This species of Indigo was formerly a common weed in the 

 Botanic Garden at Bath. It is cultivated, in Egypt and Bar- 

 bary, for the manufacture of Indigo. The grain of the fecula, 

 procured from it, is said not to be so large as in the other 

 sorts ; but the plant itself is more hardy, and resists better the 

 attacks of insects, and effects of heavy rains. 



^. Indigofera Anil. Wild Indigo. 



Stem suffruticose erect, leaflets 4-5-paired oblong 

 acute at the base rounded and mucronate at the apex 

 appresso-puberulous especially beneath, racemes axil- 

 lary shorter than the leaves, legumes arcuate deflected 

 3-6-seeded. 



HAB. Common every where. 



FL. Throughout the year. 



A shrub, 4-12 feet in height, erect: branches towards their 

 extremities anguloso-sulcated, incano-puberulous with minute 

 appressed reverted hairs. Leaflets petiolulated, 5-paired with 

 »n odd one, obovato-oblong, mucronate, subglabrous and of a 



