INTRODUCTION 



Carex Tuckermani, 

 Car ex oligosperma, 

 Carex Baileyi, 

 Carex Schweinitzii, 

 Carex Psendo-Cypertts, 

 Arisaema Stewardsonii, 

 Calla palustris, 



*Xyris m on tan a, 



*Jnncus filiformis, 



* J uncus trifidus, 

 Juncus Dttdleyi, 

 Allium sibiricum, 

 Vagnera trifolia, 

 Streptopus ample xijolius, 

 Streptopus roseus, 

 Sisyrinchium albidum, 

 Cypripedium reginae, 

 Cypripedium candidum, 

 Limnorchis hyperborea, 

 Limnorchis dilatata, 

 Lysias Hookeriana, 



*Ibidium strictum, 

 Ophrys cordata, 

 Peramium ophioides, 

 Peramium tessellatum, 

 Malaxis monophylla, 

 Corallorhiza Corallorhiza, 

 Salix lucida, 

 Salix serissima, 

 Salix pedicellaris, 

 Salix squamata, 

 Salix Candida, 

 Betida pumila, 

 Betida alleghaniensis, 

 Betula lutea, 

 Ulmus Thomasi, 

 Celtis canina, 

 Celtis georgiana, 

 Razoumofskya pusilla, 



Claytonia caroliniana, 

 Arenaria groenlandica, 

 Nymphaea rubrodisca, 

 Nymphaea microphylla, 

 Aconitum noveboracense, 

 Anemone cylindrica, 

 Ra nunculus micranthus , 

 Ranunculus allegheniensis, 

 Cardamine pratensis, 

 Cardamine purpurea, 

 Arabis viridis, 

 Arabis Drummondii, 

 Dentaria maxima, 

 Dentaria incisifolia, 

 Dentaria anomala, 

 *Mitella nuda, 

 *Ribes glandulosum, 

 Comarum palnstre, 

 *Fragaria canadensis, 

 *Fragaria terrae-novae, 

 *Sibbaldiopsis tridentata, 

 Dasiphora fruticosa, 

 Spiraea alba, 

 Rubus per grains, 

 *Rubus frondosus, 

 Rubus canadensis, 

 Rubus plicatifolius, 

 Rosa nitida, 

 *Sorbus scopidina, 

 * Amelanchier san guinea, 

 Crataegus Brainerdi, 

 Crataegus Stonei, 

 Crataegus Boyntoni, 

 Crataegus Grayana, 

 Ilex monticola, 

 Rhamnus alnifolia, 

 Hypericum Bissellii, 

 * Viola nephrophylla, 

 Viola septentrionalis , 



