Indigofera.~] 



Leguminoscz. 



11 



1. I. ECHINATA. 



2. I. LINIFOLIA. 



3. I. ENNEAPHYLLA. 



4. I. ASPALATHOIDES. 



Melilotus parviflora, Desf., is also met with as a casual, probably 

 introduced with grain. There is a drawing of this in Hermann's collec- 

 tion, and it is n. 552 of the Fl. Zeylanica and the Trifolium Melilotus 

 indica of Linnaeus. 



5. INDIGOrERA, L. 

 Herbs or shrubs, usually more or less clothed with 

 adpressed silvery hairs attached by their centre ; 1. usually 

 imparipinnate, rarely simple; fl. small, in axillary racemes, 

 very rarely solitary ; cal. small, tube more or less 

 campanulate, segm. nearly equal or the lower ones rather 

 longer, usually narrow ; pet. nearly equal, keel-pet. connate, 

 produced at base into a spur, not beaked; stam. diadelphous, 

 anth. uniform; style short, stigma capitate; pod usually linear 

 (rarely oblong, falcate or globose) cylindrical, usually many- 

 seeded. — Sp. about 300; 40 in Fl. B. Ind. 



Leaves simple; pod 1 -seeded. 

 Pod sickle-shaped, spiny 

 Pod globose, not spiny 

 L. imparipinnate ; pod 2- or more-seeded. 



Pod 2-seeded 



Pod 6-12-seeded. 



Fl. solitary 



Fl. in axillary racemes. 

 Lfts. 3-13. 

 Fl. few (2-8) in raceme. 



LftS. 5 5. I. GLABRA. 



Lfts. 7 or more. 



Branches nearly glabrous . . 6. I. TENUIFOLIA. 



Branches covered with glandular hairs 7. I. VISCOSA. 



LfltS. 3 . . 8. I. TRIFOLIATA. 



Fl. numerous in raceme. 

 Lflts. 3 or 5. 



Pod not torulose. 

 Pod straight, quadrangular 

 Pod curved, cylindrical 

 Pod torulose 

 Lflts. 7, 9, or 11. 

 Pod not torulose, 8-1 2-seeded. 

 Pod very hairy 

 Pod nearly glabrous 

 Pod torulose 3-6-seeded 

 Lflts. 15-23. 



Lflts. 15-19, thick; pod \\ in. 

 Lflts. 19-23, thin; pod 2 in. 



1. I. echinata, Willd. Sp. PI. iii. 1222 (1800). 



Hern). Mus. 31. Burm. Thes. 113. Fl. Zeyl. n. 288. Hedysarum 

 nutnmulari/olium, L. Sp. PI. 746. Acanlhonotus cchinatus, Benth, 

 Thw. Enu 11. 83. C. P. 1453. 



Fl B. Ind. "ii. 92. Wight, Ic. t. 316. 



9- 

 10. 

 11. 



I. 

 I. 

 I. 



TRITA. 



SUBULATA. 



PAUCIFOLIA. 



12. 



13- 

 14. 



I. 

 I. 

 I. 



HIRSUTA. 



TINCTORIA. 



CONSTRICTA 



i5- 

 16. 



I. 

 I. 



WlGHTII. 

 GALEGOIDES. 



