Fig. 48. Carnation Diseases. 



a. Mycelium of Alternaria dianthi showing branching and septation, b. 

 mycelium below stroma and hypheae emerging through the stroma, c. caten- 

 ulate spores as borne upon hypheae, d. spores, e. an old cluster of conidio- 

 phores, f. a young cluster of conidiophores (after Stevens and Hall),_ g. 

 hypheae of Sporotrichum poae with immature spores on short tapering 

 branches, h. typical spores of S. poae, i. germinating spore, /. Fusarium 

 like spores of S poae, k. carnation blossom rotted, showing eggs of mites, 

 /. female mite, m. male mite (after Stewart, F. C, and Hodgldss, H. E,). 



