VINES 
Native and naturalized, found in the Northeastern 
United States (Maine to Virginia, and west to the Mis- 
sissipp1). 
ANALY PICAL 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,’’ z.¢., 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, ke 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—-I0. 
leaves simple, lobed (mot serrate): 11, 
12. 
tendrils growing only from near the base of leaf- 
stems: 13-15. 
304 
