CONTENTS. 



PAGE 



I. INTRODUCTORY. 



Material and apparatus ....... 2 



Measurements 2 



References . . . v 4 



Selected courses 5 



II. GROWTH. 



1. Elongation of dicotyledonous stems 9 



2. Location and arrangement of growing tissues . . II 



3. Elongation of the stem of a monocotyledonous plant . . 15 



4. Arrangement of the tissues of a monocotyledonous stem . 15 



5. The fibrovascular bundle and composition of the stem . 16 



6. Measurement of growth in length by auxanometers . . 17 



7. Increase in thickness of stems 22 



8. Growth of leaves with netted veins ..... 23 



9. Growth of a frond of a fern . 23 



10. Growth of a leaf with parallel veins 24 



11. Rate of elongation of a leaf . 24 



12. Growth of peduncles and scapes ...... 24 



13. Growth of petioles 24 



14. Growth of roots 25 



15. External force exerted in growth 26 



16. Growth of a fruit ......... 26 



17. Growth of a cell ......... 27 



18. Awakening growth ........ 27 



19. Awakening growth of a tuber ...... 27 



20. Influence of temperature upon germination of seeds . . 28 



21. Endurance of high temperatures of seeds . . .28 



22. Effect of freezing temperatures 29 



23. Influence of cold upon the rate of growth .... 30 



24. Relation of oxygen to growth 31 



