32 Materials for a Flora of tlie Malayan Peninsula. 



Pod oblong obtnse, deeply transversely 

 lineate between the seeds ; strophiole 

 large ... ... ... ... 6- Atylosia. 



Woody undershrubs ; stigma dilated, oblique ; 

 seeds not stropliiolate ; (pod acute deeply 

 transversely lineate between the seeds) ... 7. Cajanus. 

 Leaves not glandular beneath, (leaflets stipel- 

 late ; climbing species except Erythrina) : — 



Style bearded below the stigma ; (stamens 

 9 + 1) [ Euphaseolese + Clitoria) : — 

 Stigma oblique : — 

 Keel spirally twisted ,. ... 8. Phaseolus. 



Keel not spiral : — 



Style filiform ... ... 9. ViQNA. 



Style flattened upwards ... ... 10. Pachyrhizus. 



Stigma terminal : — 



Petals equal in length : — 



Pod flattish, not winged ... ... 11. Dolichos. 



Pod square, 4-winged ... .. 12. Psophocarpus. 



Petals very unequal, standard large ; 



leaflets sometimes 5-7 ... ... 13. Clitoria. 



Style not bearded below the stigma : — 

 Nodes of racemes not swollen {Glycines 

 except Clitoria) : — 



Petals very unequal, standard large; 



stamens 9 + 1, all fertile ... ... 14. Centrosema. 



Petals subequal, all small ; stamens mona- 

 delphous, 5 fertile, 5 alternate sterile ... 15. Teramnus. 

 Nodes of racemes swollen : — 



Stamens monadelphous ; petals equal 

 {Diocleas) : — 

 Upper lip of calyx not projecting :— 



Pod oblong, turgid, l-2.seeded ... 16. Dioclea. 



Pod linear, flat, many-seeded ... 17. Pueraria. 



Upper lip of calyx projecting ... 18. Canavalia, 



Stamens diadelphous (9 + 1); petals very 

 unequal {^Erythrinex) : — 



Anthers dimorphous ; keel exceeding 



wings and standard ... ... 19. Mucuna. 



Anthers uniform : — 



Keel and standard equal, wings very 



short ... ... ... 20. Strongylodon. 



Keel and wings both shorter than 



standard; armed trees ... ... 21. Erythrina. 



Pods dehiscent at the seed-bearing apex only, else- 

 where seedless and indehiscent : — 

 Armed trees, keel and wings shorter than standard 21. Erythrina 



§ Hypaphorus. 

 Unarmed climbers ; petals equal ... ... 22. Spatholobus. 



32 



