25. LEGTJMINOS^. 
71 
* Leaflet solitary. Stamens monadelphous. 
1. Ulex. Cal. of 2 parts ; the upper with 2, the lower with 
3 mimfte teeth, a bract on each side at the base. Pod thick, 
few-seeded, scarcely longer than calyx which nearly equals 
corolla. 
2. Genista. Cal. 2-lij)ped; upper hijid, Icnoer S-toothed. 
Style subiilate, ascending. Stigma terminal, oblique. Cor. 
much exceeding calyx. — Many foreign species have tri- 
, foliate leaves. 
*• Leaf of 3 leajlets. Stamens monadelphmis. 
3. Sarothamxus. Cal. 2-lipped, the upper with 2, the loiver 
with 3 teeth. Style long, curved, thickened upwards, chan- 
neled within. Stigma terminal, capitate, small. Pod Jlat. 
4. Onoots. Cal. 5-eleft; segments narrow, the lower ones 
longer. Keel beaked. Style filiform, ascending. Stigma 
terminal, subcapitate. Pod thick. 
*,** Leaf of 3 lea/lets. Stamens diadelphous. 
5. Medicago. Cal. with 5 nearly equal teeth. Keel bhmt. 
Filaments of the stamens filiform. Ovaries curved. Pod 
1-celled, hooked or spirally twisted. Seeds 1 or many. 
6. Melilotus. Cal. with 5 nearly equal teeth. Keelblimt. 
Filaments filifomi, not united with the claws of the petals. 
Ovary straight. Pod subglobose or oblong, i-celled, 1 — 4- 
seeded, longer than the calyx. Pet. distinct, deciduous. — 
Fl. in long loose racemes. 
7. TniFOLiuM. Cal. with 5 imequal teeth. Keel blunt. 
Filaments slightly enlarged upwards and more or less united 
with the claws of the petals. Pod oval, 1 — 4-seeded, in- 
cluded in the calyx or slightly protruding. Pet. slightly 
combined, persistent. — ^Fl. in close racemes. — In T. ornitho- 
])odioides, scarcely a true Trifolium, the pod is 8-seeded and 
the filaments are tilifom. 
8. Lotus. Cal. with 5 nearly equal teeth. Keel ascending, 
with a TMrrowed point (beak). Wings connivent at their 
upper margin. Longer filaments dilated upwards. Style 
kneed at the base, filifonii-subulate. Pod linear, many- 
seeded, 2-valved, imperfectly divided by transverse parti- 
tions. 
**** Leaf pinnate with an odd one. Stamens monadelphous. 
9. Anthyllis. Cal. tubular, inflated, 5-cleft, segments un- 
equal. Keel not beaked. Style filiform. Stigma capitate. 
