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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1920 Excerpt: ...with a large fat globule in the center. The ascs present only traces of copulation in their origin. Third Group Budding yeasts which form, in sugar solutions, at first a deposit, and later on a more or less slimy scum without occluded air. Ascospores, round or oval, with from 1 to 2 membranes, germinating by budding; generally produce alcohol. Genus VII. Saccharomycodes. Hansen Cells divide by a procedure intermediary between budding and division. Frequently rudiments of a mycelium with transverse walls. Ascospores in a single membrane germinating in a single direction in the form of a tube which swells up and separates the ascospore by the formation of a transverse wall accompanied by a slight circular constriction. Germination often preceded by parthenogamy. Genus VIII. Saccharomycopsis. Klocker Ascospores in two membranes. 1 This geni's seems to be characterized by its traces of copulation as the investigations of Rose have indicated. We have united these characteristics with those provided by Linder to characterize this genus. Genus IX. Saccharomyces. Meyen Ascospores in a single membrane, germinating by budding sometimes with the formation of a rudimentary mycelium. First Sub-Group: Saccharomyces fermenting dextrose, maltose and saccharose, but not lactose. Second Sub-Group: Saccharomyces fermenting dextrose and saccharose but neither maltose nor lactose. Third Sub-Group: Saccharomyces fermenting dextrose and maltose but neither saccharose nor lactose. Fourth Sub-Group: Saccharomyces fermenting dextrose but not maltose, saccharose nor lactose. Fifth Sub-Group: Saccharomyces fermenting lactose. Sixth Sub-Group: Saccharomyces not inducing fermentations or in which the characteristics of fermentations are insufficiently known. Genus X. Hansenia. Lindner. ...

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