BIRCH GROVES OF EPPING FOREST. 79 
The ground flora varies slightly, but most of the following 
plants occur except where the bracken is abundant. 
PHANEROGAMS. 
Agrostis canina 
Calluna vulgaris with var. 
incana 
Car ex pilulifera 
Cytisus scoparius 
Deschampsia flexuosa 
Galium saxatile 
Lonicera Periclymenum 
Melampyrum pratense 
Molinia coerulea 
Nardus strict a 
Prunus spinosa 
Potentilla erecta 
Rumex Acetosella 
Solidago virgaurea 
Salix repens 
Teucrium Scorodonia 
Ulex europaeus 
Ulex minor 
Aulacomnion palustre 
Ceratodon purpureum 
Dicranella heteromalla 
Funaria hygrometrica 
MOSSES. 
Hypnum Schreberi 
Polytrichum commune 
Polytrichum juniperinum 
Weber a nutans 
LICHENS. 
On the ground :— 
Cladonia digitata var. denti- 
culata 
C. fimbriata 
C. Floerkeana 
C. macilenta 
C. pyxidata 
On trees :— 
Parmelia physodes 
P. fuliginosa var. laetevirens 
C. squamosa 
C. fur cat a 
C. coccifera 
Peltigera spuria 
Lecidea uliginosa 
Lecanora varia 
On the ground :— 
Agaricus muscarius 
On trees :— 
Exoascus betulae 
Hypoxylon concentricum 
Lenzites betulina 
Melaneonis stilbostoma 
Melamspora betulina 
FUNGI. 
Boletus scaber 
Polyporus betulinus 
Polysticum hirsutum 
Pholiota squarrosa 
Valsa betulina 
