White violet (_Viola blanda_). Canada violet (_Viola Canadensis_). Hepatica (_occasionally fragrant_). Trailing arbutus (_Epigæa repens_). Mandrake (_Podophyllum peltatum_). Yellow lady's-slipper (_Cypripedium parviflorum_). Purple lady's-slipper (_Cypripedium acaule_). Squirrel corn (_Dicentra Canadensis_). Showy orchis (_Orchis spectabilis_). Purple fringed-orchis (_Habenaria psycodes_). Arethusa (_Arethusa bulbosa_). Calopogon (_Calopogon pulchellus_). Lady's-tresses (_Spiranthes cernua_). Pond-lily (_Nymphæa odorata_). Wild Rose (_Rosa nitida_). Twin-flower (_Linnæa borealis_). Sugar maple (_Acer saccharinum_). Linden (_Tilia Americana_). Locust-tree (_Robinia pseudacacia_). White-alder (_Clethra alnifolia_). Smooth azalea (_Rhododendron arborescens_). White azalea (_Rhododendron viscosum_). Pinxter-flower (_Rhododendron nudiflorum_). Yellow azalea (_Rhododendron calendulaceum_). Sweet bay (_Magnolia glauca_). Mitchella vine (_Mitchella repens_). Sweet coltsfoot (_Petasites palmata_). Pasture thistle (_Cnicus pumilus_). False wintergreen (_Pyrola rotundifolia_). Spotted wintergreen (_Chimaphila maculata_). Prince's pine (_Chimaphila umbellata_). Evening primrose (_Oenothera biennis_). Hairy loosestrife (_Steironema ciliatum_). Dogbane (_Apocynum_). Ground-nut (_Apios tuberosa_). Adder's-tongue pogonia (_Pogonia ophioglossoides_). Wild grape (_Vitis cordifolia_). Horned bladderwort (_Utricularia cornuta_).