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, 
Fig. 107.—The penicillium ferment (Cocardas). Adérial fructification in extract of 
liquorice: the three forms, Mucor (1), Penicillium (2), Aspergillus (3), borne by 
a single hypha A (x 225 diam.). 
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- 
