156 DISEASES OF FIELD & GARDEN CROPS. [CH. 



FIG. 81. 



Teleutospores of Puccinia graminis, Pers., germinating in early summer. 

 Enlarged 1000 diameters. 



teleutospore belonging to the Puccinia, it usually coils 

 round somewliat like a shepherd's crook, produces about 



