FIG. 40. CUCUMBER DISEASES. 



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

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

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

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



