Fig. 40. CucxTMBER Diseases. 



a. Mosaic, b. angular leaf spot (after Smith and Bryan), c. individual germs of 

 Pseudomonas lachrymans, d.' downy mildew (Manns), e. conidiophore and conidia of 

 Plasmopara cubensis, f. germinated conidia and swarm spore, g. gerra,inated swarm 

 spores {e. to g. after Clinton), h. anthracnose. 



