FLORA OF THE LEDGES 
83 
PERCENTAGE DISTRIBUTION, NORTH SLOPE (A)-Continued 
Percentage to Each Plat 
Species 
1 1 ^ ■ 
3 
4 
5 
6 
7 
Galium circaezans 



+ 
Galium boreale. 
+ 
+ 
Galium trifidum 
4- 
4- 
Lonicera dioica. 
0.8 
Ts 
0.2 
0.8 
Viburnum pubescens 
2.2 
Vernonia altissima 
'o"8 
'~2"2 
"o'o 

Solidago latifolia 
17.5 

33.4 

3.6 
Solidago canadense 
12 ~2'6 
31.4 

_ _ 


Aster sagittifolius 
0.8 

108.1 

20.3 
Erigeron philadelphicus. . 
1.7 


10.7 
Ambrosia trifida 
0.4 

_ 
Heliopsis scabra 
~~ 7.0 

1.9 
Rudbeckia laciniata 
17.6 
14.8 
1.3 
0.1 
Prenantlies alba 
— - 

1.3 
— 
— 
The Peecentage Distribution of Plants on the South; Slope (B). 
Species 
Percentage of Plants to Each Plat 
8 
9 
10 
11 
12 
13 
Adiantum pedatum 
01 
Equisetum arvense 
'+~ 
Equisetum hyemale var. robusta 
+ 
Panicum lanuginosum 

Muhlenbergia tenuiflora 


Elymus robustus 
4- 
Carex sp 
4_ 
Hypoxis hirsuta 
0.3 
3.6 
Populus grandidentata 
"01 
Corylus americana 
2.3 
Ostrya virginiana 
”2~3 
2.9 
1.2 
Carpinus caroliniana. 
0.9 
Quercus alba 
"o'i 
Quercus rubra 
”o’.9 
0.7 
"o '2 
Ulmus fulva 
"o~3 
1.1 
"To 
Ulmus racemosa 
3.5 
Thalictrum dioicum 
3 I 5 
“ 3'5 
”o “2 
Hepatica acutiloba 
'll 
6.2 
Anemone virginiana 
0.4 
0.3 
Anemone quinquefolia 
”l'9 
Menispermum canadense 
”8~4 
Amelanchier canadensis 
~T3 
”01 
Fragaria virginiana var. illinois- 
ensis 
1.3 
2.0 
Potentilla argentea 
"o"i 
Rubus occidentalis 
"o's 
0.4 
Rosa pratincola 
0.6 
Prunus virginiana 
i!o 
Melilotus alba 
"~5'5 
Amorpha canescens 
"Ti 
'3"9 
Astragalus canadensis 
1.2 
■ 

“lo 

