148 NORTH AMERICAN FLORA [Volume 24 



X. Tinctoriae. Shrubs. Leaflets distinctly petiolulate, usually thin. Racemes densely 

 flowered. Calyx 1-1.5 mm. long, usually densely ferruginous-strigose; teeth deltoid or 

 lanceolate, not much exceeding the tube in length. Banner obovate, sessile, densely ferru- 

 ginous-strigose on the back when young; wings spatulate or oblanceolate, with a rounded or 

 acute basal auricle, short-clawed; keel-petals obliquely oblanceolate; lateral spurs acute. Pod 

 linear, often somewhat arcuate, abruptly contracted at the apex into a short slender beak 

 nearer the upper edge, somewhat flattened, 4-12-seeded. Seeds subprismatic, round-angled, 

 truncate at both ends. 



30. Indigofera tinctoria L Sp. PI. 751. 1753. 



Indigofera tinctoria macrocarpa DC. Prodr. 2: 224, in part. 1825. 

 Anila tinctoria normalis Kuntze, Rev. Gen. 160. 1891. 



A shrub, 1-2 m. high; branches terete or slightly angled, more or less strigose; stipules 

 subulate-setaceous, 2-3 mm. long; leaves 5-10 cm. long, spreading; leaflets 9-15, distinctly 

 petioluled, obovate or oval, rounded and mucronate at the apex, obtuse or acute at the base, 

 1-2.5 cm. long, 6-15 mm. wide, usually glabrous above, strigose beneath; racemes 3-7 cm. 

 long, usually shorter than the leaves; calyx 1.5 m. long; corolla reddish-yellow, 5-6 mm. long; 

 wings spatulate; pod linear-cylindric, usually 3-3.5 cm. long, 2 mm. broad, slightly curved 

 towards the apex, 8-12-seeded; seeds 2 mm. long, 1.5 mm. thick. 



Tvpe locality: India. 



Distribution: Subtropical Florida; West Indies; escaped from cultivation and naturalized; 

 native of southern India. 



Illustrations: Rheedr, Hurt. Mai. 1: pi. 54; E. & P. Nat. Pfl. 3":/. 115, A -D; Haillon, Hist. 

 PI. 2:/. 160. 



31. Indigofera sumatrana Gaertn. Fruct 2:317 1791. 



Indigofera indica Lam. Encyc. 3: 245. 1789. Not /. indica Mill. 1768. 



Indigofera tinctoria I.unan, Hort. Jam. 1: 419. 1814. 



Indigofera tinctoria macrocarpa DC. Prodr. 2: 224, in part. 1825. 



A shrub, 1-2 m. high; branches somewhat angled, strigose; stipules subulate, 2 mm. 

 long; leaves 5-8 cm. long, spreading; leaflets 7-11, distinctly petioluled, obovate, rounded 

 and mucronate at the apex, cuneate or acute at the base, 1-2.5 cm. long, strigose on both sides; 

 racemes 3-8 cm. long; calyx 1.5 mm. long, strigose; corolla reddish-orange, 5 mm. long; pod 

 3-4 cm. long, 3 mm. wide, sickle-shaped, abruptly acute, S-12-seeded; seeds 2 mm. long, 

 1.5 mm. thick. 



Type locality: (Not given, but by inference) Sumatra. 



Distribution: Jamaica to Virgin Islands and St. Kitts; also in Venezuela; cultivated and 

 naturalized; native from northern India to Formosa and the Dutch East Indies. 



Illustrations: Gartn. Fruct pi. 148; Lam. Tab. Encyc. pi. 626. f. 1; Sloane, Hist. Jam. pi. 

 179. f. 2; Wight, Ic. PI. Ind. Or. pi. SOS; Rumph. Arab. 5:pt. SO; Ehret, Trew & Vogel, PI. Sel. pi. 5J. 



32. Indigofera Kurtzii (Kuntze) Harms(; Kuntze, Rev. 

 Gen. 3 3 : 51, as a synonym. 1898). 



Indigofera Anil angustifolia Griseb. Svmb. FI. Arg. 99. 1879. 

 Anila Kurtzii Kuntze, Rev. Gen. 3': 51. 1898. 



A shrub, perhaps 1 m. high; branches angled, white-strigose; stipules subulate, 2 mm. 

 long; leaves 5-10 cm. long, spreading; rachis and petiole slender, white-strigose, grooved 

 above; leaflets 11-15, narrowly linear-oblanceolate, 2-3 cm. long, 2-3 mm. wide, acute at 

 each end, strigose beneath, less densely so or glabrate above; racemes 8-12 cm. long, in fruit 

 longer than the leaves; calyx a little more than 1 mm. long; corolla orange, 4 mm long; pod 

 arcuate, linear, slightly flattened, 2 cm. long, 5- or 6-seeded. 



Type locality: Sierra Achala, Argentina. 



Distribution: Argentina; apparently also collected on St. Vincent by H. H. Smith. 



