'I 



Plate 21. Summer fruits are among the most important foods of grouse for 

 young and old alike. Two of the most important are: A (Upper left). Brambles, of 

 which a blackberry is shown here. B (Upper right). Blueberries. The Dryland 

 blueberry is the one illustrated. Photos by W. R. Van Dersal. C (Lower). The 

 partridgeberry provides food all year round, but it is especially useful in the spring 

 when fruit is scarce. 



