APPENDIX I. 
—+—_— 
EXPERIMENTS AND DEMONSTRATIONS TO SHOW 
THE LIFE PHENOMENA OF PLANTS. 
Iw the part of this book devoted to the consideration of 
different plants, the word “experiment” frequently appears 
followed by a number or numbers. Each experiment has a 
corresponding number to that in the plant study. In all cases 
diagrams should be made of the apparatus used, with explana- 
tions of results. 
I. PLANT FOODS AND THEIR COMPOSITION. 
EXPERIMENT 1. TO SHOW THE NECESSITY OF WATER. 
(a) In germinating seeds. 
Place a quantity of oats, peas, or other seeds in a dish 
under a bell jar, keeping them dry. Under a second bell jar 
place similar seeds, but moisten occasionally. It will require 
but three or four days to obtain results. 
Or between two rectangular glass plates place several thick- 
nesses of blotting paper, and scatter a number of oat seeds on 
the paper. Hold the plates together with spring clips. Stand 
the plates in an upright position in enough water to keep the 
paper moist, and prepare a similar set which is to be kept dry. 
(b) In ordinary plants. 
Withhold water from a plant growing in a flower-pot, and 
note results. 
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