British oak galls / by Edward T. Connold.

  • Edward Thomas Connold
Date:
1908
Catalogue details

Licence: In copyright

Credit: British oak galls / by Edward T. Connold. Source: Wellcome Collection.

    33/266 page 9
    CHAPTER II. SOME FEATURES OF OAK GALL GROWTH. The Common Origin : The Cambium Region. I. Duration oe Growth: (a) Rapid; a few days. (b) Slow; several months. II. Positions Occupied : (a) Root, (b) Stem, (c) Leaf, (d) Flower. III. Similarity of Growth. TV. Dissimilarity of Shapes : (a) Globular, (b) Ovoid, (c) Reniform. (d) Lenticular, (e) Aberrations. V. Variations in Size, Texture, Colour : (a) Girth. (b) Length. (c) Succulent. (d) Woody, (e) Green, (f) Red. VI. Modifications in Development : (a) Due to External Influences ; (a) Overcrowding. (b) Environment. (b) Due to Internal Influences ; (a) Parasites, (b) Inquilines. VII. Smell. VIII. Taste. The common origin of all vegetable galls is the cambium layer, or region, of the plant. Unless the
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