. Cultural studies of species of Penicillium. Penicillium -- Cultures and culture media; Fungi -- Cultures and culture media. PKXICILLU'M 51 alkaline reaction in gelatin, free from sugar, bul in sugar media producee a or less persisted acid reaction. Growing and fruiting period, about 2 weeks. Fruits only upon exposed surfaces of the substrata; never produces spores in cavities not broadly open. Habitat, Camemberl and other sofl cheese 'Flic aarne /'. album Epstein, which is also P. epsteini Liiulau,1" is inserted in the list of possible synonymy because i bis name is
. Cultural studies of species of Penicillium. Penicillium -- Cultures and culture media; Fungi -- Cultures and culture media. PKXICILLU'M 51 alkaline reaction in gelatin, free from sugar, bul in sugar media producee a or less persisted acid reaction. Growing and fruiting period, about 2 weeks. Fruits only upon exposed surfaces of the substrata; never produces spores in cavities not broadly open. Habitat, Camemberl and other sofl cheese 'Flic aarne /'. album Epstein, which is also P. epsteini Liiulau,1" is inserted in the list of possible synonymy because i bis name is accepted for tlii- mold by Maze |:; iii a recent paper. If Ave base identification upon the cultural charac- ters given for his mold by Epstein, it could not have Ween /'. carru mh, >fi. The characterization, so far as given by Epstein and extracted from his paper by Lindau, might refer to the pure white form (P. candidum) as interpreted by Roger and Maze better than to this species. There is cer- tainly at least a varietal difference (spore color) between P. camemberti and the P. c<nt</i<hiin of Roger and Maze, which is designated a variety of P. camemberti in this paper. The change in litmus reaction in this descrip- tion from thai previously published is result of proof that no acidity is produced by this species e\cel)t V hell sil'r-ir is Ol'es- ' "'• '''•—PenidUium camemberti Thorn: a, conidiophore show- '~\ lug a common type of branching and the production of baslda ent. A change from blue :ill,| conidla, highly magnified; &, a common form showing to fed and black to blue much less branching; e, d, f, diagrams of large fructifications . (X 80); q, i,j, germinating conidia. (From Bull. 82, Bu indicates the production of Animal Industry.) of acidity by fermenta- tion of sugar followed by the neutralization of the acid so produced by the alkaline by-products of proteolysis or by a further change iii the acid. Therefore this statement is best omitt
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