LEGUMINOS^E. LXXIX. INDIGOFKKA. 



211 



(ex descr.) glabrous (ex icon.). Q.?S. Native of the Indies. 

 Trew. ehret. t. 55. Flowers rose-coloured. 

 Tii'o-ficcilcd Indigo. PI. 1 foot. 



79 I. TU'SCA ; stem erect, beset with long brown hairs ; leaves 

 with 2 or 3 pairs of cuneated, mucronate, pilose leaflets ; sti- 

 pulas filiform, also pilose ; spikes or racemes of flowers axillary 

 or lateral ; calyx and legume clothed with fuscous hairs. Q. S. 

 Native of Guinea, among grass. Flowers small, flesh-coloured. 



/'jucows-haired Indigo. Fl. July, Aug. Clt. 1823. PI. 1 ft. 



80 I. HIRSU TA (Lin. spec. 1062. but not of Jacq.) stem suf- 

 fruticose, erect ; branches terete, and are as well as the petioles 

 and peduncles hairy ; leaves with 3-5 pairs of obovate-oblong, 

 obtuse leaflets, which are villous on both surfaces ; racemes 

 longer than the leaves ; legumes tetragonal, 6-seeded, pendulous, 

 hairy. Jj . S. Native of the East Indies and Guinea. Lam. 

 ill. t. 626. f. 3. I. I'ndica, Mill. diet. no. 4. but not of Lam. 

 Burin, zcyl. 37. t. 14. Rheed. mal. 1. t. 55. Flowers pur- 

 ple or red. 



Hairy Indigo. Fl. July, Aug. Clt. 1823. -PI. 1 foot. 



81 1. ASTRAGALINA (D. C. prod. 2. p. 228.) stem herbaceous, 

 erect, rough from simple hairs ; leaves having 4 pairs of obovate, 

 very obtuse leaflets, which are villous on both surfaces and white 

 beneath ; racemes shorter than the leaves ; legume tetragonal, 

 pendulous, very hairy, 2-seeded. Q. S. Native of Senegal. 

 Astragalus, Perr. in litt. 1825. This species is very nearly 

 allied to the preceding, but the hairs on the upper surface of the 

 leaves are adprcssed and scarcely or not bifurcate. Flowers red. 



Milk-vctch-likc Indigo. PI. 1 foot. 



82 I. SENEGALE'NSIS (Lam. diet. 3. p. 248.) stem herbaceous, 

 decumbent; branches slender, angular; leaves with from 1-3 

 pairs of leaflets ; leaflets oblong, beset with adpressed bristly 

 hairs on both surfaces ; racemes longer than the leaves ; legumes 

 pendulous, much compressed, puberulous, oblong, mucronate, 

 3-4-seeded. Q.S. Native of Senegal. I. tetrasperma, Vahl. 

 ex herb. Juss. Habit of a species of E'rvum. This is a very 

 distinct species. Flowers red. 



Senegal Indigo. PI. procumbent. 



83 I. PA'RVULA (Gailliaud, voy. mer. part. bot. t. 3. f. 1.) 

 branches diffuse ; leaves pinnate, with 2 or 3 pairs of obovate, 

 grey leaflets ; stipulas awl-shaped ; spike of flowers about equal 

 in length to the leaves. O- F. Native of Nubia. Flowers red. 



Least Indigo. PL diffuse. 



84 I. IINEA'RIS (D. C. prod. 2. p. 228.) stems herbaceous, 

 rather diffuse ; branches slender, angular ; leaves having 1 or 2 

 pairs of linear leaflets, which are beset with adpressed bristly 

 hairs on both surfaces ; racemes rather longer than the leaves ; 

 legumes pendulous, linear, mucronate, straight, much com- 

 pressed, scabrous, and puberulous, 10-12-seeded. O- S. Na- 

 tive of Senegal. Flowers red. 



L/ncar-leafietteA Indigo. PI. diffuse. 



85 I. HENDECAPHY'LLA (Jacq. icon. rar. t. 570. coll. 2. p. 358.) 

 stem herbaceous, pros- FIG. 33. 

 trate;branches terete and 



are as well as the leaves 

 slightly covered with 

 cinereous pubescence 

 on both surfaces ; leaves 

 with 4-5 pairs of obovate, 

 oblong, cuneated, ob- 

 tuse leaflets ; racemes 

 shorter than the leaves ; 

 legumes reflexed, te- 

 rete, but slightly tetra- 

 gonal, straight, villous, 

 8-10-seeded. If.. S. Native of Guinea, particularly of Sene- 

 gal and the island of St. Thomas. Ker. bot. reg. 789. Beau. 



fl. d'ow. 2. t. 84. Flowers rose-coloured. The plants of this 

 species which are cultivated in the gardens are almost smooth, 

 except the under surface of the leaves. 



Elei'cn-leaJIcttcd Indigo. Fl. July, Aug. Clt. 1824. PI. pr. 



86 I. PERROTTE'TII (D. C. prod. 2. p. 2^'8.) stems herbaceous, 

 prostrate, young ones compressed, and clothed with villous pu- 

 bescence ; leaves with 3 or 4 pairs of oblong-obovate leaflets, 

 clothed on both surfaces with canescent pubescence, besides 

 being dotted beneath ; racemes crowded with flowers, shorter 

 than the leaves ; legumes oblong, terete, straight, pubescent, 

 3-1-seeded. Q.?S. Native of Senegal. I. prostrata, Perr. 

 in litt. but not of Willd. Very like /. enneaphi'/l/a, but the 

 petioles are longer, the stipulas linear-subulate, and the legume 

 3-4-seeded. Flowers red. 



PerrotleCs Indigo. PI. prostrate. 



87 I. SESSILIFLORA (D. C. prod. 2. p. 228.) stem herbaceous, 

 erect, much branched ; branches terete, and are as well as the 

 leaves clothed with adpressed silky pubescence ; leaflets 3 or 4 

 pairs, obovate ; spikes crowded with flowers, sessile in the axils 

 of the leaves, and shorter than them ; legume terete, pubescent, 

 straight, 4-6-seeded. O- S. Native of Senegal. Root sim- 

 ple, cylindrical, rather fusiform. Flowers red. 



Sessile-flowered Indigo. PI. 1 foot. 



88 I. A'NCEPS (Vahl. in Poir. suppl. 3. p. 147.) stems herba- 

 ceous, compressed, 2-edged, glabrous; leaflets 9 or 11, alter- 

 nate, obovate-oblong, obtuse, smoothish ; racemes longer than 

 the leaves ; legumes pendulous, linear, compressed, acute, pu- 

 berulous, 8-10-seeded. Q. S. Native of Guinea. Flowers 

 rose-coloured. 



Two-edged-stemmed Indigo. PI. prostrate. 



89 I. ALTE'RNANS (D. C. prod. 2. p. 229.) branches filiform, 

 and are as well as the leaves clothed with adpressed, bristly 

 hairs; leaflets 7-11, alternate, obovate, or oblong, a little mu- 

 cronulate ; racemes longer than the leaves ; calycine lobes end- 

 ing each in a setaceous acumen, about equal in length to the 

 corolla ; legumes reflexed. T? . ? G. Native of the Cape of 

 Good Hope. Burch. cat. no. 2079. Flowers reddish. Perhaps 

 the same as /. punclata, Thunb. prod. 133. fl. cap. 599. but 

 there are nothing like dots on the present plant to be seen. 



Alternating-lenfiettcd Indigo. PI. 1 foot. 



90 I. CAROLINIA'NA (Walt. car. 187.) stem herbaceous, erect; 

 branches terete ; leaves with 6 or 7 pairs of oval-oblong leaflets, 

 which are slightly covered with adpressed pubescence ; racemes 

 slender, longer than the leaves ; legumes pendulous, usually 2- 

 seeded, reticulately veined. "If.. G. Native of North America, 

 from Carolina to Florida. Mich. fl. bor. amer. 2. p. 68. 

 Flowers blue. 



Carolinian Indigo. PI. 1 foot. 



91 I. LAGASCA'NA (D. C. prod. 2. p. 229.) stems herbaceous, 

 erect ; branches terete, beset with adpressed bristly hairs, ca- 

 nescent at the apex ; stipulas linear, acuminated, rufous, and 

 scarious ; leaves with 5 pairs of obovate or oblong, mucronate 

 leaflets, young ones clothed on both surfaces with adpressed 

 bristly hairs, the adult ones only on the under surface ; racemes 

 pedunculate, longer than the leaves ; legumes reflexed. Native 

 of Peru, at Cheuchim. Flowers red? 



Lagasca's Indigo. PI. 1 foot. 



92 I. PLUMOSA (Spreng. syst. 3. p. 278.) plant decumbent 

 and villous ; leaflets usually about 8 pairs, spatulate, emarginate ; 

 racemes few-flowered, on long peduncles ; calycine segments at 

 length elongated, very villous and plumose. O. ? S. Native of? 



Feathery-csL\yx.ed Indigo. PI. decumbent. 



93 I. A'SPERA (Perr. in litt. D. C. prod. 2. p. 229.) stem her- 

 baceous, erect, branched ; branches terete ; leaves and peduncles 

 covered with adpressed strigae ; leaves with 1 or 2 pairs of linear, 

 acute leaflets ; racemes slender, longer than the leaves ; legumes 



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