APPENDIX II 



ORDER OF TOPICS 



The following order of topics, with time assignment for each, has 

 been found by the authors to be satisfactory: 



I. Course begun in September and completed in June. 



1. The general structure of plants (organs of a plant) 2 lessons 



2. Reproduction in plants. 



o. Structure and adaptations of flowers ... 15 lessons 

 b. Structure and adaptations of fruits, including 



fruit and seed dispersal 5 lessons 



3. Plant propagation. 



a. Seeds and their development into plants . . 6 lessons 



b. Conditions essential for the growth of plants . 2 lessons 



4. Cellular structure of plants, including fertilization 



of flowers 5 lessons 



5. Composition of living and lifeless things. 



a. Elements, compounds, oxidation, with defini- 



tions 10 lessons 



b. Composition of food substances, with tests for 



each 8 lessons 



c. Manufacture of food substances by plants . . 5 lessons 



6. Osmosis and digestion 5 lessons 



7. Adaptations of the nutritive organs of plants. 



a. Structure and adaptations of roots .... 5 lessons 



b. Structure and adaptations of stems .... 3 lessons 



c. Structure and adaptations of leaves .... 4 lessons 



8. Respiration and the production of energy in plants 4 lessons 



9. Plants in their relation to human welfare. 



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