82 



PLANT STRUCTUKES 



bles an incrustation upon its substratum of rock, soil, etc. ; 

 (2) Foliose Lichens, with flattened, leaf-like, lobed bodies, at- 



FIG. 74. Much enlarged section of a portion of the apothecium of Anapttjchia. show- 

 ing the fungus mycelium \.m), which is massed above (y), just beneath the layer of 

 asci (1, 2, 3, A), in which spores in various stages of development are .-hown. 

 After SACHS. 



tached only at the middle or irregularly to the substratum ; 

 (3) FruticoKf. Lichens, with filamentous bodies branching 

 like shrubs, either erect, pendulous, or prostrate. 



