They tried experiments, such as planting in a box six beans with the scarred ends down, and six with the scarred ends up, and noted the results from day to day; they placed blotting-paper between two panes of glass, with seeds next to the glass, put the apparatus in water, and demonstrated the growth of roots; they started one plant in the dark, and another in a light place, grew identical peas in moist cotton or saw-dust, broke the seed leaves from specimen beans to observe what happened, and compared the results of distilled water and tap water as nourishment.
