The Americana; a universal reference library, comprising the arts and sciences, literature, history, biography, geography, commerce, etc., of the world . o be looked for before the developmentof the teleutospores. In this account the rusts are considered tobe reduced sac fungi, of the cup fungus type,the degeneration being due to their excessiveparasitism. Smuts ( Usiilaginacea) are still more parasiticthan the rusts, and as a consequence have suf- Yeasts (Saccharomycctacea:) are here brieflyreferred tb in order to call attention to the ex-cessive degradation which they have
The Americana; a universal reference library, comprising the arts and sciences, literature, history, biography, geography, commerce, etc., of the world . o be looked for before the developmentof the teleutospores. In this account the rusts are considered tobe reduced sac fungi, of the cup fungus type,the degeneration being due to their excessiveparasitism. Smuts ( Usiilaginacea) are still more parasiticthan the rusts, and as a consequence have suf- Yeasts (Saccharomycctacea:) are here brieflyreferred tb in order to call attention to the ex-cessive degradation which they have they consist of single cells, or shortchains, they are now regarded as greatly re-duced sac fungi. They grow in the waterysolutions of sugars, starches, and other car-bohydrates, and one result of their activity isthe formation of alcohol, while at the same timecarbon dioxide is set free. It is for the alcoholthat yeasts are used in breweries and distilleries,and it is for the escaping carbon dioxide gasthat they are used in the making of bread. SeeYeast. Rusts (Uredinacecr) are minute plants, para- sitic in the tissues of higher plants. (Fig 21.).
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectencyclo, bookyear1908
