40 postelsfa 



common. Species of Selaginella find 

 a foothold on exposed eastern slopes. 

 Their distribution is very uneven on 

 different hills. Some hills have an 

 abundance of individuals, while others 

 have very few or none at all. 



Fungi are everywhere scarce. There 

 are very few agarics to be found any- 

 where among the lower hills or on the 

 plains. Puff balls are seldom seen; 

 shelf fungi are almost unknown. A 

 few secidia in the spring, and certain 

 rusts, mildews and blights in late sum- 

 mer, form the principal part of the 

 fungus flora. 



Of all the lower plants the lichens 

 are of most interest. Cladonia, Usnea 

 and Peltigera are not uncommon on 

 stumps and logs, but the rock lichens 

 are a source of perennial joy to all 

 who ramble among the hills. Every 

 rock has its patches of olive, pale 



