a glacial erratic at the base of an old waterfall area.
2-27-21---10; base Acer rubrum in crevice; keying out now, added pic of finely toothed leaf margin; obovate leaves; no underleaves... looks like liverwort potential (Plagiochila)
a small tree growing on a sandstone boulder: all of its roots are confined to a crack in the rock.
hemlocks grow on both sides of the stream valley among mixed deciduous species.