GUIDE II. 



LEAVES. 



A. Leaves simple.* 



I. Alternate. 



(a) Edge entire. Go to i. 

 (a) " toothed. Go to 2. 

 (a) " lobed. 



(6) Lobes entire. Go to 3. 



() " toothed. Go to 4. 



II. Opposite. 



(<i) Edge entire. Go to 5. 

 (a) " toothed. Go to 6. 

 (a) " lobed. 



(b} Lobes entire. Go to 7. 



(6) " toothed. Go to 8. 



III. Indeterminate (because of smallness or closeness). Go to 9. 



B. Leaves compound. 

 (a) Alternate. 



(t>) Edge of leaflets entire. Go to. 10. 

 (b) " " toothed or lobed. Go to u. 



(a] Opposite. 



(b} Edge of leaflets entire. Go to 12. 



(b} " " toothed or lobed. Go to 13. 



C. Leaves lacking or represented by minute and remote scales. Go 



to 14. 



*The leaflets of a compound leaf can be distinguished from a simple leaf by the 

 absence of leaf-buds from the base of their stems. 



