Smithsonian Report. 1950.- Llano 



Plate l 



1. Reindeer Moss. Cladonia alpestris and Cl. rangiferina 



Tht'.se sioecies constitute the princijial food of reituleer aiul caribou herds. (Cour- 

 tesy New York Botanical (Jarden.) 





2. Dog Lichen. Peltigera canina 



Preparations of tliis hchen were regarded in the Middle Ages as efficacious in 

 treating rabies. (Courtesy New York Botanical Garden.) 



