Page.
PLATE I. Penicillium. Fig. 1.--Conidia, normal growth
and in various stages of germination, some with branching
hyphæ. Fig. 2.--Conidiophore, showing unusually large
development of conidia; from culture in moist chamber 28
II. Cultures from ketchup preserved with sodium
benzoate. Fig. 1.--Conidia and hyphæ from culture in
experimental ketchup containing one-sixteenth of 1 per cent
of sodium benzoate. Fig. 2.--Conidia and hyphæ from culture
in experimental ketchup containing one-tenth of 1 per cent
of sodium benzoate 28