14 THE AMERICAN BOTANIST 



LIST OF SPECIES. 



White violet (Viola blanda). White. 



Canada violet (V. Canadensis). Purplish. 



Trailing arbutus (Epigaea repens). Pink. 



Mandrake (Podophyllum pcltatum). White. 



Yellow lady's-slipper (Cypripedium parviflorum). Yellow. 



Purple lady's-slipper (C. acaule) . Pink. 



Squirrel corn (Dicentra Canadensis). White. 



Showy orchis (Orchis spectabilis) . Pinkish. 



Purple fringed orchis (Habenaria psycodes). Pink. 



Arethusa (Arcthusa bulbosa) . Pink. 



Calopogon (Calopogon pulchellus) . Pink. 



Ladies' tresses (Spiranthes cemuum). White. 



Pond lily (Nymphaca odorata). White. 



Twin flower (Linnaca borealis). White. 



Sugar maple (Acer saccharum) . Yellowish. 



Linden (Tilia Americana) . Yellowish. 



Locust (Robinia psendacacia). White. 



White alder (Clethra alnifolia). White. 



Smooth azalea (Azalea arbor escens). Pink. 



White azalea (A. viscosa). White. 



Pinxter flower (A. nudi flora) . Pink. 



Yellow azalea (Azalea calendulacea). Yellow. 



Sweet bay (Magnolia glauca). White. 



Partridge berry (Mitchella repens). White. 



Sweet colt's-foot (Petasites palmatus). Whitish. 



Pasture thistle (Cnicus pumilum). Pink. 



False wintergreen (Pyrola rotundifolia). White. 



Spotted wintergreen (Chimaphila maculata). White. 



Princes pine (C. umbellata). White. 



Evening primrose (Oenothera biennis). Yellow. 



Hairy loosestrife (Lysimachia ciliata). Yellow. 



Dogbane (Apocynum androsaemifolium) . Pinkish. 



Ground nut (Apios tuberosa). Brown-purple. 



Adder's-tongue pogonia (Pogonia ophioglossoides). Pinkish. 



Horned bladderwort (Utricularia cornuta). Yellow. 



