Practical physiology of plants / by Francis Darwin and E. Hamilton Acton.

  • Francis Darwin
Date:
1894
Catalogue details

Licence: Public Domain Mark

Credit: Practical physiology of plants / by Francis Darwin and E. Hamilton Acton. Source: Wellcome Collection.

    325/354 page 301
    Values for ripe and unripe apples. Experiment No. 2. Onripe Ripe Acidity. apples. apples. [Calculated as 1-2 0 3 p.c. HAO4.] Sugars. Glucoses 0-8 4-6 p.c. Cane-sugar nil 0-9 p.c. Maltose nil nil p.c. The p.c. in experiments 1 and 2 are calculated for fresh tissues. Using leaves of etiolated and normal potato plants values obtained were Experiment No. 1. Normal leaves. Etiolated leaves. Ash (sulphated) 4-7 2-5 p.c. The p.c. are calculated for leaves dried at 100°. Experiment No. II. Values for ash from grains and young leaves of wheat. Ash from young Ash from leaves. gi'aius. PA 4-0 48-5 p.c. nI^} The p.c. are calculated for ash—i.e. represent weights of P2O.5 and alkali in 100 grs. of ash of each of the substances not in 100 grs. of each of the substances compared. Values for CaC204 in young and old leaves of Semper- vivum. Experiment No. 3. Young leaves. Old leaves. Calcium oxalate (CaOA) 1'3 4-1 p.c. The p.c. are calculated for fresh leaves.
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