Indigofera 



LEGUMIN0SJ5 



15 



Prain and Bah. f. in Journ. Bot. xl. 63. Coluteae affinis fruticosa, 

 floribus spicatis purpurascentibus, siliquis incurvis, e cujus 

 tinctura Indigo conficitur Sloane Cat. 141 & Hist. ii. 34, t. 179, 

 /. 2 (pod thicker than specimen) & 176, /, 3. Indigofera decom- 

 posita &c. Browne Hist. Jam. 302. Type in Herb. Hermann in 

 Herb. Mus. Brit. 



Indigo. 



Sloane Herb. vi. 7 (omitting ripe pods) & 8 (2 specimens) ! Broughton ! 

 Macfadyen ! McNab ! Lane 1 March ! Prior ; Gordon Town, Ball I near 

 Kingston, 600. ft., Clute\ also Hitchcock ; Lime Cay; Norbrook, 600 ft.; 

 Campbell I Alligator Pond ; Hope ; Harris 1 Fl. Jam. 5737, 6265, 8215, 

 8229. — Cultivated formerly throughout the tropics. 



A, Raceme and leaf X i . 



B, Standard x 6. 



C, Wing X 6. 



D, Keel X 6. 

 B, Flower with corolla removed x 7. 



Fig. 3. — Indigofera tinctoria L. 



F, Ovary and calyx cut lengthwise x 7. 



G, Ripe pods x ?. 

 H, Ripe seed x 3. 

 I, Ditto cut lengthwise X 3. 



Shrub, about 2 ft. high; ends of branches white-strigillose. Leaflets 

 1-2 cm. 1. ; stipules small, awl-shaped, deciduous. Calyx 5-fid, segments 

 triangular. Corolla : standard broadly elliptical, vermilion-tinged inside, 

 5-6 mm. 1., 3*5 mm. br. ; wings oblong-spathulate, shorter than the keel, 

 about 4-5 mm. 1. ; keel oblanceolate, greenish, ciliolate at the apex, about 

 as long as the standard. Pod linear-cylindrical, slightly torulose, thickened 

 along both margins, reflexed, strigillose, 2 -5-3 -5 cm. 1. Seeds cylindrical, 

 terete or angled, about 2 mm. 1., without any depression at the scar of 

 attachment. 



There are three pages (viz. 7, 8, 9) with specimens of Indigofera in Herb. 

 Sloane vi. The specimens on page 7 have the slightly curved many-sided 

 pod of I. tinctoria L., but some ripe pods of I. stiffruticosa Mill, have 

 also been inserted. The plate 179, f. 2, is taken from one of these 



