214 



LEGUMINOS^. LXXIX. Indigofera. LXXX. Oustropis 



the leaves ; legumes cylindrical, straight. Tj . G. Native of Native of the Cape of Good Hope. Thunb. fl, cap. 591. 



the Cape of Good Hope. Flowers red. Curt. bot. mag. 198. Flowers blood-coloured, large for the size of the plant. 



WhiteAeaYed Indigo. Fl. May, June. Clt. 1774. Sh. 1 to 2 ft. Procicmhent Indigo. Fl. May, July. Clt. 1818. PL pro- 



125 I. psoraleoi'des (Lin. syst. nat. 409.) branches angular, cumbent. 



hardly pubescent; leaves petiolate, trifoliate; leaflets lanceo- 135 I. prostra'ta (Willd. spec. 3. p. 1226.) stems filiform, 



late, clothed with adpressed pubescence beneath ; stipulas linear- prostrate, rather angular, and rather pubescent; leaves petiolate, 



subulate, elongated ; racemes pedunculate, much longer than the trifoliate ; leaflets obovate, whitish beneath ; racemes shorter than 



the leaves ; legumes pendulous, filiform. 

 Indies. Plant tufted. Flowers red. 

 Prostrate Indigo, PI. prostrate. 



Native of the East 



leaves ; legumes pendulous. T2 • Gr. Native of the Cape of 

 Good Hope. Lam. ill. t. 626. f. 4. Sims, bot. mag. 476. Cy- 

 tisus psoraleoldes, Lin. spec. 1043. Burm. cap. prod. p. 22. I. 

 racemosa, Lin. spec. 1062.— Pluk. phyt. t. 320. f. 3. ? but the 

 racemes in the figure are shorter than the leaves. Flowers red. 



Psoralea-Ukc Indigo. Fl. Ju. Sept. Clt. 1758. Shrub 2 feet. 



126 I. cine'rea (Willd. spec. 3. p. 1225.) branches rather baceous, pilose ; leaves trifoliate ; leaflets roundish, tomentose on 

 angular, clothed with greyish silky pubescence ; leaves petiolate, both surfaces; racemes axillary, short; legumes oblong^ flat, 



■j" Species not sufficiently known- 

 136 I. ROTUNDiFOLiA (Lour. coch. p. 458.) stem twining, her- 



acuminated, glabrous, 2-seeded. 

 near Canton. 



trifoliate ; leaflets oblong-lanceolate, silky ; racemes length of 

 leaves; legumes spreading, linear, mucronate, silky. Tj. S. 

 Native of the East Indies. Flowers small, red. 

 Grey Indigo. Shrub 2 feet. 



127 I. Molucca'na(D.C. prod. 2. p. 232.) branches slender, 

 terete, puberulous ; leaves petiolate, trifoliate ; leaflets oblong- 

 lanceolate, pubescent beneath ; flowers axillary, sessile ; legumes 

 spreadingly deflexed, puberulous, rather tetragonal, 4-6-seeded. 

 ^2 . ? S. Native of the Moluccas. The middle leaflet is on a 

 short petiole. The flowers are probably red. 



Molucca Indigo. Shrub. , ^ -^ ^ . 



128 I. stipula'ris (Link. cnum. 2. p. 250.) stem beset with strigose ; stipulas cuspidate; racemes terminal ?^ flaccid. Ij."* 



short strigse ; leaves trifoliate ; leaflets oval, with a few adpres- Native of the Cape of Good Hope, 

 sed hairs; stipulas oval, acute; racemes longer than the leaves. 

 T2 . G. Native of the Cape of Good Hope. Perhaps belonging 

 to a different section. Flowers red. 



Stipular Indigo. Fl. May, July. Clt. 1824. Sh. 1 to 2 feet. 



0. ^. G. Native of China, 

 Flowers yellow. 

 Round'leajletied Indigo. PI. twining. 



137 I. BUFALfNA (Lour. coch. p. 458.) stems suffruticose, 

 chmbing, glabrous ; leaves trifoliate; leaflets ovate, glabrous; 

 racemes axillary and terminal, on long peduncles; legumes 

 straight, rather compressed, villous. ^2 • y ^" Native of 

 Cochin-china, among bushes. Flowers between white and purple. 



Ox Indigo. Shrub cl, 



1 38 I. STRiGosA (Spreng. neue entd. 3. p. 54.) shrubby ; steim 

 filiform; leaves abruptly-pinnate? leaflets 5-7, linear, acute. 



M< 



Strisiose Indicro. 



Shrub 1 foot. 



139 I. oxyca'rpa (Desv. journ. bot. 1814. vol. 1. p. 1% 

 stem angular, pentagonal, pilose ; leaflets oblong-ovate, mucro- 

 nate, pilose; spikes of flowers on long peduncles; legumes 



" Native of the Antilles. 



129 I. ixca'na (Thunb. prod. 132. fl. cap. 596.) stems decum- terete, a little incurved, acute. Tj , ? S. 

 bent, very much branched, suffiaitcscent at the base ; branches 



Native 



clothed with silky pubescence ; leaves petiolate, trifoliate; leaf- 

 lets ovate, acute, silky ; legimie reflexed, silky, ^i . G, 

 of the Cape of Good Hope. Flowers red. 



Hoary Indigo. Fl. May, July. Clt. 1812. Shrub decumbent. 



130 I. 



;UA*TA (Willd. spec. 3. p. 1228.) branches angular, African islands. 



Perhaps the leaves are pinnate or digitate. 



Sharj)-fruited Indigo, Shrub. , 



140 I. DIFFUSA (Desv. 1. c.) branches diff^use ; leaflets olh 

 ovate, somew^hal emarginate, pilose ; spikes of flovyers tc 

 short ; legumes divaricate, rather pilose. T2 . ? S. Native ol 



clothed with hoary pubescence ; leaves petiolate, trifoliate ; leaf- 

 lets elliptic, obtuse, mucronate, canescent beneath ; racemes 

 about equal in length to the petioles; legume arched, reflexed, 

 tetragonal, canescent. ©.? S. Native of the East Indies. 

 Flowers red. 



Arched-Nodded Indigo. PL 



Diffuse Indigo. Shrub. . 



Cult. The whole of the species of this genus are rather ei^ 

 gant delicate plants, and all the green-house shrubby kinds a^^ 

 worthy of general cultivation ; these grow best in a mixture^ 

 sandy loam and peat, and they are easily propagated by yom^ 





131 I. TRi TA (Lin. til. suppl. 335.) stem erect ; branched at stove kinds require to be grown in the same kind of ^^"^ 

 the base; leaves petiolate, trifoliate; leaflets ovate-lanceolate, green-house kinds, and to be propagated ^^^ ^^^ ^^"^^ !j" . uJ 



acute ; racemes shorter than the leaves. 0. ? ^ . ? S. Native 

 of the East Indies. Flowers red. 



fVorn Indigo. Fl. June, July. Clt. 1802. PL 1 foot. 



\ 



leig^ 



132 I. HEDYSARofDEs (Lam. diet. 3. p. 250.) stem erect, in the hot- bed, and some may be planted out in the open g 

 branched at the base ; leaves petiolate, trifoliate ; leaflets ovate, in a sheltered situation. 



obtuse ; legume arched. Tj . G. Native of the East Indies, ex 

 Rheed. mal. 9. t. 36. and perhaps of China if I. coccinea, Lour, 

 coch. p. 457. be the same. Flowers deep red- 



Hedysartim-like Indigo. Fl. June, Aug. Clt. 1822. PI. 1 ft. 



133 I. ere'cta (Thunb. prod. 133. fl. cap. 597.) stem her- 

 baceous, nearly erect ; leaves petiolate, trifoliate ; leaflets ob- 

 ovate, acute, glabrovis above, and clothed with fine pubescence 

 beneath ; legume cylindrical, acute, reflexed, pubescent. — Na- 

 tive of tlie Cape of Good Hope. Flowers red. 



Erect Indigo. PI. 1 foot. 



134 I. procu'mbens (Lin. mant. 271.) stems flexuous, decum- 



bent 



LXXX. OU'STROPIS (from ovq, ous, an ear, and r^'^^^ 

 tropis, a keel ; in reference to the keel of the flower being 

 nished with an auricle on each side). i 5. 



Lin. syst. DiadSlphia, Becdndria. Calyx ^^''J^^^^gjIortU 



about equal in lengv" ^ 

 Keel furnished with an auflc 



Vexillum broad, not emargma 



wings, but longer than the keel. 



on each side. Stamens diadelphous. Ovary 



Style glabrous. Stigma capitate and glandular 



linetf- 



cylindrical, and rather compressed, ending in the s*"'S ^efirf 

 style, 3-seeded, the seeds lodged in as many cells.— AKjj 



lets obovate, smooth above, but clothed with adpressed pubes- small plant, with decumbent slender stems, which ^'^^^j^ 



cence beneath ; racemes much longer than the leaves. 1/ . G. 



and 



