/ 
. 
Fig. 16. This photograph shows FIG. 17. Sweet pea, showing right-hand branch wilted as the result 
the wilted plant in Fig. 15 after of inoculation with a pure culture of V. albo-atrum. 
being submitted to shade and 
an average temperature of 25°C 
for thirty days. The wilted 
leaves have fallen off, but the 
plant has recovered and made 
good growth in the top. 
[Facing page 78 
