Fig. 48. Carnation Diseases. 



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

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

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

 phores, /. a young cluster of comdiophores (after Stevens and Hall) , g. 

 hyphex of Sporotrichum poae with immature spores on short tapering 

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

 like spores of S poae, k. carnation blossom rotted, showing cg§s of mites, 

 I. female mite, m. male mite (after Stewart, F. C, and Hodgkiss, H. E.). 



