THE GENUS BORBONIA LINN. LEGUMINOS/E. 



Flowers borne on short axillary shoots, with 

 filiform pedicels 1.5-2 cm. long; stems pros- 

 trate. 



Flowers not borne on short axillary shoots; 

 pedicels neither long nor filiform. 



Leaves narrowly lanceolate. 



Leaves 3-nerved ; pods i-seeded. 

 Leaves 5-more-nerved ; pods more than 

 i-seeded. 



Leaves narrowly lanceolate, lax ; calyx 



glabrous. 



Leaves dense ; calyx villous. 



Leaves orbicular or ovate. 



Leaves amplexicaul or perfoliate. 



Calyx-lobes shorter than the tube, 

 glabrous or nearly so. 

 Leaves perfoliate with crenulate 

 ma r g i n s ; inflorescence few- 

 flowered. 



Leaves amplexicaul, with jagged 

 margins ; inflorescence many- 

 flowered. 



Calyx-lobes as long or longer than 



the tube, hairy. 



Peduncles 1-3 flowered ; branchlets 

 rather slender. 



Peduncles 7-8-flowered ; branches 

 rather stout and rigid. 



Leaves not or only semiamplexicaul, 

 more or less cordate at the base. 



Branches glabrous. 



'Branches angular; leaves 2.3-5 cm. 

 long. 



Vexillum silky-pubescent outside. 

 Leaves broadly orbicular- - 

 ovate ; inflorescence sub-capi- 

 tate, many-flowered- 

 Leaves lanceolate-ovate ; in- 

 florescence about 6-flowered. 

 Vexillum glabrous outside. 

 Branches not angular. 



Leaves 1.2 cm. long or less. 

 Leaves over i . 2 cm. long, 

 rounded-ovate. 

 Branches villous, leaves with smooth 

 margins. 



399 



2. trinerzna. 



3. monosperma. 



4. lanceolata. 



5. barhata. 



6. perforata. 



7. crenata. 



8. undulata. 



9. multiflora. 



10. latifolia. 



11. parvi flora. 



12. lei ant ha. 



13. alpestris. 



14. compile ata. 



15. cordata. 



