448 



On Ergot. 



to be attached by short stalks to a fine branched thread or 

 _,. mycelium, which appears to 



°' * be absorbed as the spores 



ripen ; it can scarcely be de- 

 tected in the fully ripe bunt. 

 Besides the bunt, ergot also 

 appeared in Bauer's small ex- 

 perimental crop of spring 

 wheat, and in the head figured 

 (Fig. 3, p. 447) he observed 

 that tlie same grain was at- 

 tacked by both fungi, as was 

 noticed subsequently by Phil- 

 lipi and others, and has been 

 illustrated and described by 

 Tulasne. A spikelet from the centre of this head is represented 

 double the size of nature in Fig. 5. This consists of three 



Fig. 5. 



^^^^^^ 



Spores of Bunt, showing the threads of ilycflium. 

 Very highly magnified. 



Spikelet from the head of Spring Wheat affected with 

 Ergot aad Bunt. Twice the natural size. 



Fig. 7. 



Fin-. 6. 



Section of the terminal 

 Grain of the Spilielet. 



The lateral Grains of the Spikelet. a and b in section ; c thowir.g the external appearance. 

 Twice the natural size. 



