FUNGI CONTINUED: CLASSIFICATION. 



221 



b. Foliaceous lichens, the plant body is leaflike and lobed and more or less 

 loosely attached by rhizoids: Parmelia, Peltigera-- etc. 



Fig. 25 1 a. 

 Rock lichen (Parmelia contigua). 



c. Fruticose lichens, the plant body is filamentous or band-like and 

 branched, as in Usnea, Cladonia, etc. 



