179 



8. Leaves subsessile ... 

 Leaves long-stalked 



9. Hairs strigose 

 Hairs soft ... 



10. Leaves large, white-tomentose 



beneath 

 Leaves small, nearly glabrous ... 



11. Pedicels manj-flowered ... 

 Pedicels 1-flowered 



12. Flowers more than 2 inches long 

 Flowers under 1 inch 



13. Calyx densely hairy 

 Calyx glabrous or nearly so 



14. Sepals with long points ... 

 Sepals obtuse 



15. Peduncles smooth 

 Peduncles minutely thorny 



16. Sepals hair-pointed 

 Sepals acuminate ... 



17. Flowers red or purple 

 Flowers white 



18. Sepals under | inch long ... 

 Sepals over ^ inch long ... 



19. Bracts persistent in flower, hairy 

 Bracts caducous ... 



20. Leaves bilobed 



Leaves 3 or more lobed ... 



21. Leaves digitately or pedately com- 



pound or nearly so 

 Leaves lobed 



22. Leaves compound .. . 

 Leaves deeply divided 



23. Seeds villous 



Seeds glabrous, crested ... 



24. Pedicels many-flowered ... 

 Pedicels 1- or few-flowered 



25. Leaves with toothed or pinnatifid 



lobes ... 

 Leaves with entire lobes ... 



26. Sepals obtuse 



Sepals acuminate or hair-pointed 



27. Sepals hair-pointed 

 Sepals acuminate ... 



28. Leaves white-tomentose beneath 

 Leaves green 



29. Leaves orbicular ... 

 Leaves oblong 



30. Prostrate herb 

 Climbing shrub ... 



3. /. angustifolia. 



5. I. stenantha. 



11. 

 10. 



Argyreia speeiosa. 

 Convulvulus parvijlorus. 

 Lettsomia strigosa. 



12.' 

 22. /. Learei. 



4. I. sinensis. 



9. 

 14. 

 16. 

 15. 

 18. 



6. /. chryseides, 



7. /. Batatas. 



17. 



8. /. acuminata. 



9. I. Bona-nox. 



29. 

 19. 



10. /. Turpethum. 



11. /. cymosa. 



12. /. biloba. 



21. 



22. 



26. 

 23. 

 24. 



13. I. palmata. 



14. /. quinata. 



15. /. digitata. 



25. 



16. I. dissecta. 



17. /. carnosa. 



6. /. chryseides. 



27. 

 28. 



7. /. Batatas. 



18. /. pilosa. 



19. /. hederacea. 



20. J. obscura. 



21. /. linifolia. 

 Evolvulus alsinoides. 



1. L pileata, Roxb. ; Clarke in Hook. f. Fl. Brit. Ind. iv. 203. 

 Hongkong without locality ; Kanghau, Hongkong New 

 Territory, Fl. pink, Octobor, 



315J5 JSI 8 



