OF SOME SPECIES AT THE EDGES OF THEIR RANGES 29 
Pinus rigida Stachys cordata 
Pinus virginiana Silene rotundifolia* 
Pyrola elliptica Solidago junce 
Quercus Prinus Sullivantia Sullivantii* 
Rhododendron maximumt Trichostema dichotomum 
Rubus odoratus Tsuga canadensis 
Salix amygdaloidest Unifolium canadense 
Sambucus pubens Viola hirsutula 
Saxifraga virginiensis Viola rostrata 
Sericocarpus asteroides 
Common in few stations 
Asplenium montanum Phacelia dubiat 
Azalea luteat | Phlox stolonifer 
Iris cristata* Quamasia hyacinthina§$ 
Lobelia puberula Viola rotundifolia* 
Pedicularis lanceolata 
Individuals abundani in one station 
Dodocatheon Meadia§ J Melampyrum lineare* 
Hypericum Drummondii* Saxifraga ae ae (probably in 
other stations as wel 
Rather common 
Achroanthes unifolia Isotria verticillata | 
Aster macrophyllus Lobelia leptostachys 
Anemone canadensis Populus tremuloides 
Aristida dichotoma Porteranthus stipulatus 
Capnoides sempervirens uercus min 
Chrysopsis mariana* 
Scarce 
Aesculus octandrat Pyrola rotundifolia 
Aronia nigra Scutellaria galericulata 
Blephariglottis peramoena* tlax irrata 
Lycopodium complanatum* Valeriana vais ey 
Lycopodium obscurum iburnum den 
Passifiora lutea Piece met 
Individual plants rare and widely scattered 
Afzelia macrophylla Gymnocladus dioica§ || ** 
cathe Sullivantii ] : Lyco ary clavatum 
Asclepias egata Napaea 
Bidhintil tis lacera Parnassia nage 
Fraxinus nigra|| Psoralea brychi 
Gentiana crinita Stylosanthes biflora 
* Species confined to the southern portion of the 
t Species reaching their limits immediately to se west of the area. 
t Species confined to the northern portion bed the area. 
§ Main bod ds in Ce y int wivanies 
q Also sepocted from another aR ie ‘iesinan 
|| Not known south of Columbus. 
** Fairly common a few miles to the westward. 
