L*^ 





The taiga (a Siberian term for spruce 

 forests) extends onto the tundra in long 

 tongues and little isolated patdies of 

 stunted trees bordering watercourses. 



A red lidien. one of many striking and 

 colorful forms among the thousands of 

 known lichens. Although each is a com- 

 posite plant, it reproduces its own kind. 



