25 



Trees not in the Mature iieecli-MapIe I'orcst 

 Abies balsamea o 



Populus grandidfittata o 



Populus tremuloidcs O 



P run us pentisylvanica o 



-'4 

 2.8 

 I .o 

 1.6 



94 2 



In the following table, the ground plants found in the refor- 

 esting areas are grouped together according to their average 

 frequency index, and type of vegetation. Some plants had a 

 very high frequency index in one area and practically none in 

 the other areas, while others were about equal in each area. 



Ground Plants in Reforesting Are.vs 



Average Frequency Index above lo 



(Species typical of beech-maple forests are starred) 



*Acer saccharum (seedlings) 59 *AraUa nudicaulis 14 



Kubus strigosus 18 *Osmorrhiza claytoni 14 



*Trillium grandiflorum 17 *Trientalis americana 13 



Vnifolium canadense 16 Poa pratetisis il 



Average Frequency Index between 5-10 

 Seedlings of Trees 

 *Acer pennsylvanicum *Fagtis grandifolia 



Acer rubrum 



Shrubs 



Diervilla lonicera 



Fragaria virginiana 

 Lactuca canadensis 



*Mitchella repens 

 Poa compressa 



*Polygonalum biflorum 



Herbs 



*Sambucus racemosa 



Taraxacum vulgare 

 *Vagnera racemosa 



* Viola canadensis 



* Viola papilionacea 



Abies balsamea 

 Betula papyrifera 

 Populus tacamahaca 

 Populus tremulaides 



Average Frequency Index between 1-5 

 Seedlings of trees 



Primus peunsylvanica 

 Tsuga canadensis 

 *Ulmus americana 



Shrubs 



Acer spicatum 

 *Lomcera canadensis 

 Prunus virginiana 

 Rhus glabra borealis 



Rubus allegheuiensis 

 Rubus Iriflorus 

 Taxus canadensis 



