XIII.] MOULDS. 429 



c. Stain some with iodine; others with Schulze's 

 solution. 



c. The spores or conidia. 



a. Crush some ripe sporangia by gentle pressure 

 upon the cover-glass. Examine with -| obj. 



a. The size of the spores (measure}. 



ft. Their form ; cylindrical and elongated. 



y. Their structure. 



8. Stain with iodine and magenta or haema- 

 toxylin. 



