1899] 



MICROSCOPICAL JOURNAL. 



357 



times a sterigma developing into a conidiophore, which on 

 its end again developes sterigmata. These peculiarities 

 are found in moist chamber developments, figs. 10, 11. 



Wf5;L^*x:;■^p'•/ -^ •■^-' 



The conidia are spherical and are formed by an abstric- 

 tion from the ends of the sterigmata. They are color- 



less and smooth-walled when first formed and when grown 

 submerged, but very soon develop a yellow color, which 

 darkens to a green, and when old, olive and brown. As 



