VINES 



Native and naturalized, found in the Northeastern 

 United States (Maine to Virginia, and west to the Mis- 

 sissippi). 



ANALYTICAL KEY 



Vines widely distributed in above territory, at least 

 not found exclusively on frontier. 

 not prickly nor rough-bristly (those are 84-102). 

 not "evergreen," i.e., with needles as in hemlock or 



spruce (those are 103). 

 not leafless, parasitic (those are 104). 

 climbing by minute rootlets along the stems; if with 

 tendrils, they terminate, like the rootlets, in sucker- 

 like disks : 1-4. 

 climbing by twining tendrils (no sucker-like disks at 

 their ends) : 



tendrils growing from the stalk, not from leaf- 

 stems : 

 leaves simple, serrate (often lobed) : 



5-10. 

 leaves simple, lobed (not serrate) : 11, 

 12. 

 tendrils growing only from near the base of leaf- 

 stems: 13-15. 

 304 



