ANATOMY OF FUNGI 



37 



cells in a length of hypha which runs in the tissues of 

 the host. 



The primary object of a sporophore is that of facilitating 

 the dispersal of spores by wind or other agents, hence it is 





FIG. 10. Helminthosporium turcicum, a fungus with 

 simple conidiophores growing in clusters. Each conidio- 

 phore bears a single many-celled conidium at its tip. 

 i, portion of a leaf of maize showing a large dark blotch 

 formed by the fungus ; 2, conidiophores bearing conidia. 

 Fig. i, nat. size ; fig. 2, mag. 



only present in a differentiated form when it rises above 

 the substratum. 



It is customary where a fungus produces two or more 

 distinct forms of reproductive bodies, as in species of 



