LEGUMINOS^E. LXXIX. INDIGOFERA. 



213 



Native of the Cape of Good Hope. J. tenuif olia, Lam. diet. 3. 

 p. 249. Flowers red. 



Capillary-]eaved Indigo. Shrub ^ foot. 



110 I. PERRINIA'N-A (Spreng. neue. entd. 2. p. 161.) branches 

 terete, beset with adpressed pili ; leaves with usually 4 pairs of 

 linear, obtuse, mucronate leaflets, which are lined above, and 

 silky beneath ; racemes few-flowered ; legumes linear, clothed 

 with rusty villi. O-? S. Native of South America. 



1'irriii's Indigo. PL 1 foot ? 



111 I. ANGUSTIFOLIA (Lin. iTiant. 272.) stem shrubby ; branches 

 terete, hoary ; leaves with 2-3-4 or 5 pairs of approximate, linear, 

 obtuse leaflets, which are canescent on the under surface, and 

 somewhat revolute at the margins ; racemes 3 times longer than 

 the leaves ; calyxes canescent. fj . G. Native of the Cape of 

 Good Hope. Thunb. fl. cap. 599. Sims, bot. mag. 465. Poly- 

 gala pinnata, Burm. cap. 20. Corolla purplish. 



Narrow-leaved Indigo. Fl. Ju. Oct. Clt. 1774. Sh. 1 to-2 ft. 



112 I. HUMBOLDTIA V NA (Spreng. svst. 3. p. 276.) shrubby, 

 erect, smoothish ; leaves with 3 pairs of spatulate, mucronate 

 leaflets, which are rather silky beneatli ; racemes exceeding the 

 leaves ; legumes pendulous, nearly terete, fj . G. Native of 

 Mexico. I. mucronata, Willd. herb. Flowers red. 



Humboldl's Indigo. Shrub 2 to 3 feet. 



113 I. ORNITHOPODIOI'DES (Schlecht. and Cham, in Linnaea. 5. 

 p. 577.) leaves with 2 pairs of leaflets; pili strigose, cinereous; 

 stems diffuse, prostrate ; racemes on long peduncles, few-flow- 

 ered, exceeding the leaves ; calycine segments subulately-acu- 

 minated, equal in length to the corolla ; legume deflexed, 8- 

 seeded, straight. Q. S. Native of Mexico. Habit of/, ennea- 

 phylla. Stipulas subulate. Flowers red. 



Ornithopus-like Indigo. PL prostrate. 



S. Digitalce (from digitatus, fingered, in reference to the 

 leaflets all rising from a common centre, as the ringers of the 

 hand). Leaflets 3 or 5, rising from the same dot or centre, either 

 from lite top of petioles, or directly from the branches. 



114 I. SULCA'TA (D. C. prod. 2. p. 231.) branches angular 

 and furrowed, rather canescent ; petioles wanting ; leaflets 3-5, 

 linear, mucronate, stiff, with somewhat revolute margins, clothed 

 with hoary villi beneath ; flowers axillary, on short pedicels, 

 in fascicles. P2 G. Native of the Cape of Good Hope. 

 Flowers red. 



/ttn-<werf-stemmed Indigo. Sh. 1 to 2 feet. 



115 I. ASPALATHOIDES (Vahl. in herb. Juss. D. C. prod. 2. 

 p. 231.) branches terete, hoary from adpressed down, which is 

 fixed by the centre ; petioles wanting ; leaflets 3-5, linear, very 

 slender, somewhat complicated, beset with adpressed hairs ; pe- 

 dicels axillary, solitary, 1 -flowered ; legumes straight, terete, 

 4-6-seeded, rather puberulous. Tj . S. Native of Ceylon and 

 Malabar. Aspalathus I'ndica, Lin. spec. 1001. Burm. fl. ind. 

 155. Pluk. phyt. t. 201. f. 1. Rheed. mal 9. t. 3. Flowers 

 red ? Habit of Aspalathus, but the stamens are diadelphous, 

 and the down and the legumes are that of Indig ofera. 



Aspalathus-like Indigo. Fl. Ju. Jul. Clt. 1817. Sh. 1 to 2 fr. 



116 I. FILIFORMIS (Thunb. fl. cap. 598.) branches terete, 

 young ones rather hairy ; petioles almost wanting ; leaflets 5, 

 oblong, cuneated, mucronate, strigose above, but white beneath, 

 with the margins revolute ; racemes pedunculate, much longer 

 than the leaves ; legumes straight, terete, spreading, glabrous, 

 8-10-seeded. tj . G. Native of the Cape of Good Hope. I. 

 candicans, Sieb. pi. exsic. cap. no. 55. Very like the following 

 species, but differs in the flowers being loosely racemose, not 

 capitate. Thunberg says his plant has terminal racemes of 

 flowers ; in ours they are axillary. 



Filiform Indigo. FL Ju. Aug. Clt. 1822. Shrub 1 to 2 ft. 



117 I. ALOPECUROI'DES (D. C. prod. 2. p. 231.) branches 



terete, young ones hairy ; petioles very short ; leaflets 5, ellip- 

 tic-oblong, mucronate, clothed with adpressed strigse on both 

 surfaces ; peduncles axillary, slender, 3 times longer than the 

 leaves, bearing at the top an ovate head of flowers. I? . ? G. 

 Native of the Cape of Good Hope. Lotus alopecuroidcs, Burm. 

 cap. p. 23. Flowers red. 



Fax-tail-like Indigo. Shrub. 



1181. CORIA'CEA (Ait. hort. kew. 3. p. 68.) branches terete, 

 hairy ; petioles very short ; leaflets 5, obovate, cuneated, some- 

 what emarginate and mucronate, beset with adpressed strigse 

 above, but hoary beneath ; peduncles 3 times longer than the 

 leaves ; flowers disposed in dense heads ; legumes straight, 

 terete, glabrous. T? . G. Native of the Cape of Good Hope. 

 Lotus Mauritanicus, Lin. spec. 1091. I. Mauritanica, Thunb. 

 fl. cap. 598. Lotus fruticosus, Berg. cap. 226. Lotus race- 

 mosus, Poir suppl. 3. p. 508. Indigofera, Sieb. pi. exsic. cap. 

 no. 54. This plant has very much the habit of Dorycnium. 

 Flowers red or purple. 



Coriaceous Indigo. Fl. July, Aug. Clt. 1774. Sh. 2 to 3 ft. 



119 I. SARMENTOSA (Lin. fil. suppl. 334. Thunb. fl. cap. 596.) 

 stem very short, much branched ; branches filiform ; leaves and 

 calyxes clothed with adpressed strigose pubescence ; petiole 

 very short ; leaflets ovate, small, mucronate ; peduncles axillary, 

 usually 2-flowered, much longer than the leaves ; legumes cylin- 

 drical, glabrous. Jj . G. Native of the Cape of Good Hope. 

 Ononis filiformis, Lin. mant. 266. Lotus exstipulatus, Berg, 

 cap. 227. Flowers red. 



Far. ft, microphylla (Lam. diet. 3. p. 250.) leaves with 3-5 

 leaflets. 



Sarmentose Indigo. Fl. June, July. Clt. 1786. PI. straggling. 



120 I. DIGITA'TA (Thunb. fl. cap. 598.) branches slender, an- 

 gular at the apex, and are, as well as the leaves and calyxes, 

 somewhat canescent from adpressed strigae ; leaves stalked, pal- 

 mately 5-6-foliate ; leaflets lanceolate-linear, acute, complicated ; 

 peduncles much longer than the leaves, bearing at the top of 

 each a dense ovate-oblong spike of flowers. ^ G. Native of 

 the Cape of Good Hope. Flowers red. 



Digitate-leaved Indigo. Shrub 1 to 2 feet. 



121 I. BURCHE'LLII (D. C. prod. 2. p. 231.) branches slender, 

 angular at the apex, and are, as well as the petioles and leaves, 

 hoary from adpressed strigse ; leaves stalked, 4-5-foliate ; leaf- 

 lets obcordate, mucronate, hoary beneath, and rather strigose 

 above. I? . G. Native of the Cape of Good Hope. Burch. 

 cat. no. 2918. Flowers red. 



Burchell's Indigo. Shrub 1 to 2 feet. 



122 I. SESSII.IFOLIA (D. C. prod. 2. p. 231.) branches terete, 

 young ones canescent, at length becoming spinose ; petioles 

 wanting; leaflets 3, obovate-cuneated, refuse, somewhat emar- 

 ginate, pubescent beneath ; spikes pedunculate, longer than the 

 leaves ; legumes compressed, rather arched, glabrous, 4-seeded. 

 fy . G. Native of the Cape of Good Hope. This species is 

 nearly allied to /. spinosa, but differs in the leaves being all sessile, 

 and in the legume being compressed, not terete. Flowers red. 



Sessile-leaved Indigo. Shrub 1 to 2 feet. 



123 I. SPINOSA (Forsk. descr. 137. Vahl. symb. 1. p. 55.) 

 branches grey ; leaves on short petioles, trifoliate ; leaflets ob- 

 ovate, hoary ; stipulas acerose ; peduncles spinose, 2-3-flow- 

 ered, twice the length of the leaves ; legume terete, but some- 

 what tetragonal, scabrous. ^ . G. Native of Arabia Felix, and 

 the East Indies. This plant has the habit of a species of Alhagi. 

 Flowers red. 



Spiny Indigo. Fl. May, July. Clt. 1820. Shrub 1 to 2 ft. 



124 I. CA'NDICANS (Ait. hort. kew. 3. p. 67.) branches slen- 

 der, angular, clothed with adpressed silky canescent down ; leaves 

 stalked, trifoliate ; leaflets lanceolate-linear, silky beneath ; sti- 

 pulas small ; spikes pedunculate, few-flowered, much longer than 



