'206 



LEGUMINOS^E. LXXIX. INDIGOFERA. 



nearly terete, hardly 3-times longer than the calyx. Jj . ? S. 

 Native of tlie East Indies. 



Mysore Indigo. Shrub. 



101. ECHINA'TA (Willd. spec. 3. p. 1222.) leaves obovate, 

 glabrous ; stem prostrate, compressed at the apex ; racemes 

 axillary, about equal in length to the leaves ; legumes falcate, 

 c'chinated. .S. Native of Tranquebar. 1. prostrata, Roxb. 

 but not of Willd. Flowers purple. 



Echinated-legumed Indigo. PI. prostrate. 



11 I. CORDIFOLIA (Roth, nov. spec. 357.) hoary and pilose ; 

 leaves simple, cordate, roundish, mucronate, almost sessile ; 

 flowers axillary, sessile. Q. S. Native of the East Indies. 

 Flowers small, purple. 



Cordate-leaved Indigo. PI. prostrate. 



2. Oligophylta (from oXiyoe, oligos, few, and ^uXXoy, 

 j>hi/llon, a leaf; in reference to the species contained in this 

 section having the leaves composed of very few leaflets). D.C. 

 prod. 2. p. 222. Petiole elongated. Leaflets 1 or 3, terminal 

 one stalked, the rest lateral, usually only one pair. 



12 I. MONOPIIY'LLA (D. C. prod. 2. p. 222.) leaves and 

 branches hoary from adpressed down ; petiole furnished with 

 2 little stipulas at the base ; leaflet one, obovate, mucronate, 

 feather-nerved ; racemes much longer than the leaves ; corolla 

 clothed with rufous villi ; legume spreading, straight, somewhat 

 compressed, clothed with rufescent down. Jj . G. Native of 

 New Holland, on the eastern coast. A very distinct species : 

 the leaves appear impari-pinnate, but are reduced to the terminal 

 leaflet. 



One-leaved Indigo. Shrub 2 feet. 



13 I. DIPHY'LLA (Vent, choix. t. 30.) plant decumbent and 

 pubescent ; leaves petiolate, bifoliate ; leaflets ovate, one of which 

 is terminal the other lateral and smaller ; racemes length of 

 leaves; legumes arched, compressed, 2-4-seeded. .S. Na- 

 tive of Africa. Flowers small, rose-coloured. 



I'ftr. ft, lannginbsa (D. C. prod. 2. p. 223.) plant clothed with 

 lanuginous strigae ; stem and legumes very hispid. 0. S. Na- 

 tive of Senegal. I. glauca, Perr. in litt. but not of Lam. 



Two-leaved Indigofera. Fl. July, Aug. Clt. 1815. PI. dec. 



14 I. SUBULA'TA (Vahl. in Poir. suppl. 3. p. 150.) erect, 

 glabrous ; leaves petiolate, trifoliate ; leaflets ovate-elliptic, the 

 lateral leaflets seldom absent ; racemes slender, shorter than the 

 leaves ; legume reflexed, slender, terete, acuminated, many- 

 seeded. Q. S. Native of Guinea (Thonning), Jamaica (Ber- 

 tero). I. mucronata, Spreng. in herb. Balb. Stipulas subulate. 

 Flowers pale-red. 



Subitlate-stipuled Indigo. PI. 1 foot. 



15 I. CLITORIOIDES ; plant hairy, herbaceous, branched; 

 leaves ternate ; leaflets lanceolate, obtuse ; racemes elongated, 

 axillary ; legume hairy, straight. Q. S. Native of Sierra 

 Leone, in arid places. Flowers flesh-coloured. 



Clitoria-like Indigo. PI. 1 foot. 



16 I. ELONGA'TA ; herbaceous, erect; stem simple; leaves 

 ternate ; leaflets elliptic, acute, hairy ; racemes elongated, axil- 

 lary ; legume short, compressed, hairy. Q. S. Native of 

 Sierra Leone, in arid places. 



Elongated-rncemed Indigo. PI. 1 foot. 



17 I. MLqsA (Poir. suppl. 3. p. 151.) branches slender, pilose ; 

 leaves of 1 or 3 elliptic leaflets, on short petioles ; pedicels axil- 

 lary, 1 -flowered; calyxes hairy. Q. S. Native of Guinea. 

 Flowers red. 



Pilose Indigo. PL 1 foot. 



18 I. LESCHENAU'LTH (D. C. prod. 2. p. 223.) branches an- 

 gular, finely pubescent ; leaves on long petioles, trifoliate ; 

 leaflets oval, obtuse, terminal one largest ; racemes shorter than 

 the leaves, many-flowered, sessile, only bearing fruit at the base ; 



legumes straight, spreadingly deflexed, tetragonal, acute, 8-10- 

 seeded. . S. Native of Bengal. Flowers purple. 



Leschenault's Indigo. Fl. July, Aug. Clt. 18^0. PI. 1 ft. 



19 I. TRIEOLIA'TA (Lin. amcen. 4. p. 327.) plant ascending, 

 rather pubescent, exstipulate ; leaflets 3, oval-oblong, pilose, 

 mucronulate ; flowers axillary, almost sessile, glomerate ; legume 

 obsoletely tetragonal, pendulous, scabrous, 3-6-seeded. O- ? S. 

 Native of the East Indies. Lateral leaflets opposite. Flowers red. 



Trifoliate Indigo. Fl. July, Aug. Clt. 1816. PI. ascending. 



20 I. ARISTA'TA (Spreng. syst. 3. p. 273.) leaflets 3, spatu- 

 late, mucronately-awned, hoary from hairs on both surfaces ; 

 pedicels axillary, 1 -flowered ; calycine segments capillary and 

 plumose. O- G. Native of the Cape of Good Hope. 



^mwd-Ieared Indigo. PI. decumbent. 



21 I. MULTICAU'LIS (D. C. prod. 2. p. 223.) stems numerous, 

 slender, diffuse ; stipulas subulate, small ; leaflets 3, oblong- 

 cuneated, obtuse, mucronulate ; flowers axillary, sessile, glo- 

 merate ; legumes pendulous, compressed, acute, 5-6-seeded, 

 scabrous from adpressed pili, which are fixed by their centre, as 

 well as the stems and leaves. O- G. Native of Nipaul. I. 

 trifoliata, D. Don, prod. fl. nep. 245. The terminal leaflet on 

 a short petiole. Legume obsoletely tetragonal. D. Don. Flowers 

 small, red. 



Many-stemmed Indigo. Fl. July. PI. diffuse. 



22 I. GRA'CILIS (Spreng. syst. append, p. 285.) stem diffuse, 

 branched, smoothish ; leaflets 3, elliptic, mucronate, glabrous 

 above, but rather strigose beneath ; stipulas subulate ; racemes 

 few-flowered ; legumes hairy, reflexed, few-seeded. Tj . S. 

 Native of the Cape of Good Hope. Flowers red or purple. 



Slender Indigo. Shrub diffuse. 



23 I. TIMORIE'NSIS (D. C. prod. 2. p. 223.) erectish, hoary in 

 every part from adpressed pubescence, which is fixed by the 

 centre; leaflets 3, obovate- oblong, glandless ; racemes axillary, 

 length of petioles ; legumes spreading, tetragonal, straight, 6-8- 

 seeded. 0. S. Native of the East Indies. 



Timor Indigo. PI. 1 foot. 



24 I. GLANDULO'SA (Willd. spec. 3. p. 1227.) erect; branches 

 angular, rather pilose ; leaflets 3, oblong-obovate, pilose be- 

 neath, and covered with glandular dots ; racemes shorter than the 

 petioles ; legume muricated. 0. S. Native of the East Indies. 

 Flowers purple. 



Glandular Indigo. Fl. July, Aug. Clt. 1820. PI. 1 foot. 



25 I. DIVERSIFOLIA (D. C. prod. 2. p. 223.) plant diffuse, 

 rather hoary from adpressed pubescence, which is fixed by the 

 centre ; leaflets 1 or 3, oblong, the terminal one longest, the rest 

 solitary, alternate or opposite; peduncles 1-3-flowered, rather 

 longer than the petioles ; legumes straight, spreadingly deflexed, 

 rather downy. . ? S. Native of Bourbon. Stem slender, a 

 finger high, suffruticose at the base. 



Diverse-leaved Indigo. PI. diffuse. 



2G I. BRACTEOLA'TA (D. C. prod. 2. p. 223.) stem herbaceous, 

 erect, much branched ; branches terete, rather hairy, at length 

 glabrous ; cauline leaves few, impari-pinnate, having 3 or 5 

 leaflets, those on the branches bractea-formed, oval, sessile, sim- 

 ple, all covered with adpressed bristles ; legume oval-oblong, 

 acute, compressed, 1-2-seeded. 0. S. Native of Senegal. 

 Crotalaria bracteolata, Perr. in litt. Perhaps the axillary 

 branches are elongated peduncles, furnished with leaf-like brae- 

 teas, and bearing solitary flowers in the axils of these bracteas. 



Bracteolate Indigo. PL 1 foot. 



27 I. BIFLORA (Roth. nov. spec. 358.) shrubby, erect, clothed 

 with rufescent down ; leaflets 1-3, elliptic, acuminated, 3-nerved, 

 scabrous ; peduncles axillary, 2-flowered, equal in length to the 

 petioles ; legume ovate, 2-seeded, mucronate, glabrous. t? . S. 

 Native of the East Indies. Flowers dark-purple. 



Tmo-Jloivered Indigo. Shrub 1 to 2 feet. 



