108 



A MANUAL OF THE ASPERGILLI 



Fig. 27. Ascospores representative of the four small-spored series of the .Aspe? - - 

 </i7Jus glaucus group. A, A. repens. B, A. ruber. C, A. chevalieri. D, A. amstelodami. 

 In each species upper left and right and center left spores represent surface, profile 

 views; center right, surface in face view; lower left, optical section in profile; and 

 lower right, optical section in face view. (Reprinted from Thom and Raper, "The 

 Aspergillus glaucus Group," U. S. D. A. Misc. Pub. 426: 1-46. 1941.) 



