PEA FAHILV IIS 



Group I. — Leaves li'itliont tendrils, of i — 3 leaflets 



Tribe i. Genisteee. — Siinil's : leaflets entire: stamens monadel- 



piieus 



1. Genista. — Calyx 2-lipped, the upper lip deeply J-cleft, 

 the lower with 3 teeth. 



2. Ulex — Calyx 2-lipped, yellow. 



3. Sarothamnus. — Calyx 2-lipped, the upper lip with 2 

 minute teeth, the lower with 3. 



Tribe 2. Trifbliea. Herbs {rarely shrubs): leaflets 3, generally 

 toothed : stamens usually diadelphous 



4. On6nis. — Herbs or shrub.s : calyx 5-clfc;ft : stamens moiia- 

 dclphous. 



5. Trigonella. — Racemes short : pod longer than calyx, 

 curved, dehiscent. 



6". Medicago. — Racemes short: pod usually spiral. 



7. MiiLiLO'ius. — Racemes long: pod short, indehiscent. 



8. Trifoliu.m. — Flowers capitate : pod shQrt, indehiscent. 



Group II. — Leaves without tend) lis, imparipinnate : leaflets 5, or 



more 



Tribe 3. Lotea. — Herbs : leaflets entire : stamens monadelphous or 

 diadelphous : pod 2-valved, ivithout a longitudinal septum 



9. Anthyllis. — Calyx inflated, enclosing the short pod: 

 stamens monadelphous. 



10. L(JTUS. — Calyx not inflated : stamens diadelphous : pod 

 longer than calyx. 



Tribe 4. Asfragalece. — Herbs : leaflets entire : stamens diadel- 

 phous : pod 2-valved, with a longitudinal septum 



11. ,\stragalus. — Keel of corolla blunt. 



12. OxvTROPis. — Keel of corolla pointed. 



Tribe 5. Hedysdrea:. — Herbs : stamens diadelphous : pod inde- 

 hiscent, jointed. 



13. Orni'thopus. — Pod compressed, curved, with many oval, 

 i-seeded joints : pinnate leaf below umbel : keel blunt. 



14. CoRONiLLA. — Rod little, if at all, compressed, contracted 

 at joints : keel pointed. 



15. Arthrolobium. — Rod straight, compres'sed, many-jointed, 

 scarcely contracted at joints : with no leajf below umbel. 



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