122 



FUIiTGI AI^D FUiq^GICIDES 



center^ the latter often being dotted with black by the 

 fruiting portions of the fungus. The fungus penetrates 

 the stem rather deeply, often cutting off the supply of 

 nutriment to the flowers, and, consequently, preventing 

 their development. A plant injured in this way is rep- 

 resented in Fig. 53, from a photograph by Professor 

 Atkinson. The spores are produced in great abundance, 



FIG. 53. CARNATION INJURED BY LEAF-SPOT. 



and distributed by means of wind and water. Care in 

 watering, and the use of fungicides, are the best reme- 

 dial measures. 



There are certain other carnation diseases, such as 

 the anthracnose, the leaf-mold, and the rosette, which 

 need hardly be discussed in this connection. Partial 

 accounts of them may be found in American Gardening 

 for April, 1893, where also the diseases treated of above 



