Exercises on Lesson IV.
1. Soak some seeds of broad bean (or pea) and maize (or wheat) for twenty-four hours. Plant some in damp sawdust. 2. What do you see when you open a bean seed? 3. Pick off the little baby plant, and try to draw it big. 4. Cut down through the centre (flat side) of a maize seed. Try to make out the little seed plant and the food store. 5. Every third day dig up a growing seed and draw it. Put the date beneath each drawing. Keep your drawings carefully.