88 



CELASTKACEAE 



slender often green twigs; round or angular continuous or 

 spongy or evanescent pale pith; opposite somewhat raised cres- 

 cent-shaped leaf -scars with a crescent-shaped bundle-trace; 

 minute stipule-scars; usually elongated solitary sessile buds 

 with several pairs of rather fleshy scales; medium-sized stalked 

 toothed or crenate leaves; small whitish or lurid perfect poly- 

 petalous flowers in stalked axillary clusters; and usually pink 

 leathery capsules with several large red-arillate seeds. 



1. Creeping, trailing, or climbing. 2. . 

 Bushy or tree-like. 7. 



2. Climbing by roots: leaves small (1.5-5 cm.). 3. 

 Not climbing. 5. 



3. Leaves not variegated. E. radicaris. 

 Leaves white-margined. E. radicans argenteo-marginata. 

 Leaves margined with red. E. radicans roseo-marginata. 

 Leaves white-veined. 4. 



4. Leaves rather large. 



Leaves small (scarcely 1.5 cm.). 



5. Leaves linear, narrow. 

 Leaves obovate, broad. 6. 



6. Leaves not variegated. 

 Leaves variegated. 



7. Evergreen. 8. 

 Deciduous. 15. 



8. Leaves not variegated. 9. 

 Leaves variegated. 12. 



9. Round-topped. 10. 

 Conical or oblong. 



10. Leaves green. 



Leaves yellow when young. 11. 



11. Young leaves light yellow. 

 Young leaves golden. 



12. Variegation marginal. 13. 



E. radicans reticulata. 



E. radicans minima. 



E. nana. 



E. obovata. 

 E. obovata variegata. 



E. japonica columnaris. 

 E. japonica. 



E. japonica pallens. 

 E. japonica aurea. 



Variegation median. 

 13. Margin white. 

 Margin yellow. 



14. 



E. japonica albo-marginata. 

 E. japonica aureo-marginata. 



