Plant biology : a text-book of elementary botany arranged for modern methods of teaching / by F. Cavers.

  • Cavers, F. (Francis), 1876-1936.
Date:
1907
Catalogue details

Licence: In copyright

Credit: Plant biology : a text-book of elementary botany arranged for modern methods of teaching / by F. Cavers. Source: Wellcome Collection.

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    CHAPTER I—THE BROAD BEAN PLANT PAGE Our type ; materials for study ; hints on lens work ... 1 The root; branching of root; origin of rootlets ; hard and soft tissues of root; root-tip; root-hairs ; root-cap; root- nodules 2 The shoot; hard and soft tissues of stem ; air-spaces in shoot . 4 The leaf ; arrangement of leaves; the leaflet; the stipules ; the leaf-stalk 6 The “ skeleton ” of the plant; branches and buds ... 9 The flowers; calyx, corolla, stamens, pistil; fruit; seed ; embryo 10 The seedling; seedling compared with seed and with mature plant 15 Questions on Chapter 1 16 CHAPTER II.—SEEDS AND SEEDLINGS Balances and weights; thermometers; hints on fitting up apparatus 18 Germination of Broad Bean seed ; germination jars and boxes; early stages of germination: drying apparatus; water required for germination . . . . . . • 21 Properties of water; ice, water, steam; cooling caused by evaporation ; conditions favourable to evaporation . . 24 Conduction and convection; specific heat; unit of heat; latent heat 26 Solution ; diffusion ; osmosis; osmotic pressure; surface tension; capillarity . 27 Amount of water absorbed by seeds; where and how water enters the seed ; capillarity and osmosis in seeds ; swelling of seeds ; structure of seed-coat 31 Air required for germination; the atmosphere; air is material and has weight; air-pressure ; barometer ; effects of tem- perature and pressure on volume of air; wind; diffusion of gases 36 Composition of air; oxygen, its preparation and properties; nitrogen ; carbon dioxide in air ; water-vapour in air . 41