Bui. 1423, U. S. Dept. of Agriculture 
Plate 1 3 
Occurrence of Cladonia alpestris 
Scattering rounded patches of white. The alpestris community is closely surrounded by a 
mixture of other darker-colored lichens 
Fig. 2.— Occurrence of Cladonia sylvatica sylvestris 
A thickly matted growth, averaging 4 or 5 inches in height and in places reaching 10 inches 
