596 Dale —Observations on Gymnoascaceae . 
Fig. 52. Group of developing asci. 
Fig. 53- Photograph of a streak culture on beer-wort agar. 
Fig. .54. Sketch of a colony bearing asexual spores round the sircumference, and 
ascospores in the centre. 
Fig. 55. A branch in which the protoplasm is dividing into masses. 
Fig- 55 a ‘ Part °f a mycelium about to break up into oidia. 55 b. Part of the 
same more highly magnified. 
Fig. 56. A branch breaking up into oidia. 
Fig. 57. Mature oidia. 
Figs. 58, 59, 60. Parts of the old vegetative mycelium. 
(Figs. 9-32 and 41-52 were drawn with the camera lucida, the lenses used 
being Zeiss 1.5 oil immersion objective and no. 4 eye-piece.) 
