8 XLVII. § PAPILIONACEH (BAKER). 
A, Leaves simple. 
Group 1. Simplicifoliz. 
Rigid copiously ss gpa mae 
ods 2-3-seeded . . Ss erase 1. 
Pods 6-8-seeded . ee ee 2. 
Herbs or laxly-branched undershrubs. 
Stems and leaves glabrous or subglabrous. 
Stipules minute, setaceous. 
Leaves linear. 
Stems terete. 
Corolla slightly exceeding the calyx 3. 
Corolla three times the calyx . : 4. 
Stems winged. 
Narrowly 4-winged, leaves numerous . . . . . 5. 
Broadly 2-winged, leavesfew ornone . . . . - 6. 
Leaves oblancevlate. 
Flowers solitary MA ee. Te 
Flowera racemose .* . 1 5 « . %.- ; 5 Sh 
Weaves Oplonp, Scute 3... «5 2 a 4s 5 
Stipules foliaceous, persistent =10: 
Stems and leaves conspicuously downy or silky. 
Corolla 15-2 times the cae 
Pod stalked 3 oul 
Pod sessile. 
Pod 5-6 times the calyx . a Les 
Pod 13 times the calyx. 
Pod glabrous, 8-9-seeded 5 Ry 
Pod pubescent, 1-2 seeded seus 
Corolla equalling or scarcely exceeding calyx. 
Pod glabrous, 12-18-seeded . « 1D. 
Pod silky, 2-3-seeded . = 16. 
B. Leaves digitately trifoliolate. 
Group 2. Oliganthze.—Pods round or oblong. Flowers 
lateral, very rarely terminal. 
Very diffuse annual herbs. 
Pods small round sessile. 
Glabrous, leaves subsessile . 
Downy, leaves stalked . . 
Pods short-stalked small oblong . 
Pods distinctly stalked, large, oblong. 
Silky, leaflets oblanceolate, Savtecs 2-8 together . . 20. 
Glabrous, leaflets linear, flowers solitary Saks 
A robust diffuse usually spinose annual 22a: 
Unarmed shrubs. 
Leaves subsessile, stipules 0. 
Pod small, hard, round, 3-4-seeded é 23. 
Pod oblong, 15-18-seeded . . : 1.24; 
Leaves distinctly-stalked, distinctly stipulate. 
Pubescent, leaflets oblanceolate, blunt, 4-6 lines long . . 25. 
Pubescent, leaflets obovate, blunt, 12-16 lines long . 22 20: 
Glabrous, leaflets linear, acute wiv Se + 
Group 3. Chrysocalycinze.— Pods peer round or, oblong. 
round or oblong terminal heads. 
Leaves sessile or subsessile. 
Shrubby, leaves crowded. 
Herbaceous, leaves scattered. 
Pod round, 3—4-seeded. 
Leaflets linear 
[ Crotalaria. 
(Of thebaica 
C. arenaria. 
C. glauca. 
C. spartea. 
C. stenoptera. 
C. holoptera. 
C. uniflora. 
C. retusa. 
C. Welwitschit. 
OC. verrucosa. 
C. Vogelit. 
CO. Leprieurii. 
C. polygaloides. 
C. cylindrostachys. 
C. calycina. 
C. anthyllopsis. 
scattered 1-4 together, 
Le 
~ 18. 
« 29. 
« 20s 
C. microcarpa. 
C. pisicarpa. 
C. microphylla. 
C. podocarpa. 
C. polyclados. 
C. spinosa. 
C. cistoides. 
C. caudata. 
O. Forbesii. 
C. variegata. 
C. ervoides. 
Flowers in dense 
C. abscondita. 
. C. Perottetii, 
