82 INTRODUCTION TO CRYPTOGAMIC BOTANY. 



64. Fries has long since pointed out that there is no certain 

 distinction between Lichens and Fungi, except the presence in 

 the former of green globviles, resembhng grains of chlo- 

 rophylL Such distinctions are not without real importance. 

 If Vaucheria (Fig. 22), and one of the parasitic species of 



Fig. 22. 



Vaucheria suhinarina. 



Magnified. From specimens gathered at "Weymouth. 



Botrytis, such as B. parasitica (Fig. 23), be compared together. 



Fig. 23. 



Botrytis parasitica, P. 



"With spore, more or less magnified, from specimen gathered at King's 

 Hffp 



Cliffe 



