PHY SCI A SP. OR P ARM ELI A SP. 79 



have prominent thallus bodies similar to those here 

 studied. Still others branch extensively, as the "reindeer 

 moss" (Cladonia rangijerina), that covers large areas 

 of ground, and the "bearded moss" (Usnea barbata), 

 that hangs often in long strings from the branches of 

 trees in many moist regions. 



