ise) 
On 
oe) 
(ve) 
*W 
No) 
a 
ro) 
- 
N 
4 
Ow 
. Wings subequal to keel, corolla nearly cigs 
ong 
Wings slightly nip than keel, corel 3 
13.5 mm. long each. 
CrAIB—INDIGOFERAS OF CHINA. 95 
. Keel not acuminate . é é j 31. I. Delavayi. 
Baas 3 7 30. 
Keel acuminate - 
. Acumen of keel nearly 2mm.long . 28. I. Faberii. 
Acumen of keel short—not more than 0.5 mm. 
a. : 37. 
. Leaflets rounded % retuse at apex, racemes 
long, pendulou 29. I. pendula. 
Leaflets narrowing Sarenids ‘from about the 
middle ey rounded, racemes erect or 
suberect ‘ - ; : : «: 33 
. Petiole and leaf rachis channelled above ; 30. I. decora. 
Petiole and leaf rachis (except towards in- 
sertion of upper leaflets) terete . : : « 30. 
. Wings decidedly less than keel, corolla t 
12 mm. lon eae ‘ieumecsind leptantha. 
Wings subequal to or Jonger than keel, corolla 
at least 13 mm. long j ; ne aes 
ze Fchangensis 5 vibida, 
eee ‘f. calvescens: 
. Leaflets all —— alternate, generally — . 32. I. hendecaphylla. 
Leaflets opposite or "occasionally the low 
o 
. Leaflets glabrous or in young stage with a few ; 
hairs on margin and costa ‘ 33. I. subnuda. 
Mature leaflets not BE orone Par ape . i ete os 
; ages _ earous on upper surface b Sent 
asionally along the margin ; - 44. 
Sealats glabrous on neither surface . oT ee eer 
. Virgate plant reaching only 15 cm. in a height, : 
leaflets scarcely 5 mm. long - 4 I, chaetodonta. 
~ Plants at least 30 cm. high . yor 45. 
. Leaves not exceeding 1.5 cm. in — ‘ Xe Silvestri. 
Leaves at least 3 cm. long eee ; — 
. Legumes curved . 39. I. Anil. 
Legumes bein aie : aa S 
3 Buds sate or acuminate 36. I. sensitiva. 
Buds obtuse : «98. 
. Racemes much less than the 13-17-foliolate 
. I, mengtzeana. 
38. I, Pseudotinctoria. 
