ACEKACEAE 91 



3. Buds with two scales: leaves many-lobed. 4. 

 Mature buds with several exposed scales. 13. 



4. Pubescent for a time: lobes typically short. 5. 

 Glabrous: lobes separated fully half-way to base. 7. 



5. Lobes short. 6. 



Lobes separated nearly to base. A. japonicum Parsonii. 



6. Leaves green. A. japonicum. 

 Leaves yellow. A. japonicum aureum. 



7. Leaves not variegated. 8. 

 Leaves variegated. 11. 



8. Leaves green. 10. 



Leaves purple. A. palmatum atropurpureuni. 

 Leaves red. 9. 



9. Lobes broad. A. palmatum sanguineum. 

 Lobes dissected. A. palmatum ornatum, 



10. Lobes dissected. A. palmatum dissectum. 

 Lobes broad. A. palmatum. 



11. Lobes broad. 12. 



Lobes dissected: mottled. A. palmatum Frederici-Guilelmi. 



12. Leaves mottled. A. palmatum bicolor. 

 Leaves rosy-margined. A. palmatum roseo-marginatum. 



13. Leaf -scars glandular at top: leaves compound. 14. 

 Leaf-scars not glandular: leaves simple. 19. 



14. Twigs green. .15. 



Twigs deep purple. A. Negundo violaceum. 



15. Leaves not variegated. 16. 

 Leaves variegated. 17. 



16. Leaves green. (Box-elder). A. Negundo. 

 Leaves yellow. A. Negundo auratum. 



17. Leaves mottled. A. Negundo aureo-maculatum. 

 Variegation marginal. 18. 



18. Margin white. A. Negundo argenteo-variegatum. 

 Margin yellow. A. Negundo aureo-marginatum. 



19. Buds ovoid or short-conical. 20. 



Buds conical, pointed, gray-pubescent. 50. 



20. Buds glabrate, green or red. 21. 

 Buds gray-pubescent. 48. 



