PAPILIONACEiE. 197 



_ f Stem creeping, and rooting at the nodes, or closely prostrate ... 6 



1 Stein ascending or erect 8 



fi / Flowers pedicellate in the head, reflexed after fading . . 17. White C. 



1 Flowers sessile, erect 7 



( Heads globular. Flowers small. Calyx much inflated after flowering. 



I 16. Strawberry C. 



1 Heads of few rather large flowers. Peduncles turned down into the 



L ground after flowering 15. Subterranean C. 



s f Heads oblong or cylindrical when fully out 9 



I Heads ovoid or globular 10 



« f Corolla small, shorter than the long, fine calyx-teeth 2. Hare's-foot C. 



" 1 Corolla showy. Standard longer than the calyx- teeth . .1. Crimson C. 



10 f Corolla small, 1 to 3 lines long 11 



I Corolla showy, 5 to 6 lines long or more 12 



/-Calyx-teeth short, lanceolate, slightly ciliate 7. Sea C. 



I Calyx-teeth short, subulate, glabrous 11. Upright C. 



11 «{ Calyx softly hairy, the teeth longer than the corolla, spreading after 



flowering 3. Starry C. 



L Calyx inflated after flowering. Standard turned outwards 14. Reversed C. 

 1 2 J Annual. Teeth of the calyx nearly equal 1. Crimson C. 



\ Perennials. Lower tooth of the calyx longer than the others ... 13 

 .. o f Flowers red 6. Zigzag C. 



I Flowers cream-coloured 4. Sulphur C. 



1 ^ f Corolla showy, 6 lines long or more 15 



I Corolla small, 1 to 3 lines > 16 



.. g f Flowers red 5. Purple C. 



I Flowers cream-coloured 4. Sulphur C. 



rHeads globular. Calyx glabrous, with short recurved teeth . . .17 

 16<{ Heads ovoid or oblong when fully out. Calyx more or less hairy, with 



L rigid, erect or spreading teeth 18 



rHeads crowded at the base of the very short prostrate stems 

 17 -j 13. Suffocated C. 



LHeads distinct or distant along the branches . . . .12. Clustered C. 

 ,£ f Calyx-teeth rigid and spreading after flowering, almost lanceolate . .19 



I Calyx-teeth shortly subulate, erect or slightly spreading .... 20 

 , q f Stems ascending or erect, a foot high or more 7. Sea C. 



\ Stems spreading, seldom above 6 inches 10. Bough C. 



f Leaflets obovate. Upper stipules very broad .... 8. Knotted C. 

 20 <j Leaflets narrow-oblong or linear. Stipules narrow. Stem erect. 



L 9. Boccone's C. 



The Alsilce clover (T. hybridum), a species allied to the white C, but 

 with ascending not creeping stems, and more pink in the flowers, is now 

 frequently cultivated for forage, but does not appear to have as yet 

 become naturalized, although common in northern and central conti- 

 nental Europe. 



