276 



MICROBES, FERMENTS, AND MOULDS. 



nature of the spores on the fructiferous hypha. In 

 other words, the characters which have been hitherto 

 considered as proper to the three genera, Aspergillus, 

 Mucor, and Penicillium, themselves types of three 

 Very distinct families, are found either simultaneously, 



Fie 107 The penicillium ferment (Cocarda*). Aerial fructific-tion in ey tract of 

 liquorice: the three forms, Mucor (1), Penicillium (2), Aspergillus (3j, borne .y 

 a single bypha A (x 225 diaiu.)- 



or successively, on the same hypha, and are only 

 varied forms of a highly polymorphic species, the 

 penicillium ferment (Cocardas). 



Fig. 107 represents the three forms of fructifica- 



