Leaf margins toothed (vs wavy), and fruits on the ends of stems. https://gobotany.nativeplanttrust.org/species/celastrus/scandens/
Observation made in Martin Burns WMA, but exact location is obscured, as the species is endangered in MA.
Habitat: Dry, rocky area on the edge of the woods.
Photos 3-7 taken on 10/4/20.