112 



FUNGOUS DISEASES. 



indefinite length of time. Fig. 19 shows three small 

 badly "clubbed" cabbage plants half natural size; 

 Fig. 20 are young turnips similarly ruined, while 



Fig. 19— Club Root of Cabbage. 



affected cauliflower plants are shown in Fig. 21. 

 These engravings are all from photographs of 

 freshly collected plants, and are not the worst speci- 

 mens of the malady that might have been selected 



