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ical and prickly and range from 7 to 30 /* in diameter. Under certain 
conditions closed brownish fruit bodies called perithecia are produced. 
These arise on the surface of the substratum from spirally coiled 
Fig. 89. — Penicillium Camemberli. a, Conidiophore with common type of 
branching with conidiospores; ( b ), a common less-branched form; c, d, f, diagrams 
of large fructifications; g, i, j, germinating conidiospores. ( From Bull. 82, Bureau 
of Animal Industry, also After Thom.) 
hyphae and when mature possess numerous asci, each of which con- 
tains five to eight ellipsoidal asco spores. 
Aspergillus oryzoe is a yellowish-green to brown mold which 
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