82 



INTEODtJCTION TO CRYPT06AMIC 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 globules, resembling 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 suhmarina. 



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 Kind's 

 Clifie. ° 



