xii CONTENTS 



ABTICLE PAGE 



9. Comparative Cost of Collecting Cones and Other Fruits of Forest 



Trees 145 



10. Treatment of the Fruit and Seed of Forest Trees after Collecting. . . 146 



11. Treatment of Fleshy Fruit 147 



12. Treatment of Dry Fruit 147 



13. Drying Cones by Solar Heat 149 



14. Drying Cones by Artificial Heat 151 



15. Curing the Cones before Kiln Drying 151 



16. Preliminary Drying Room 152 



17. The Maintenance of Uniform Temperature 153 



18. The Necessity for Adequate Ventilation 154 



19. Drying Cones in Improvised Rooms 155 



20. Drying Cones in Small Kilns 155 



21. Utilizing Kilns Constructed for Other Purposes 155 



22. Separating the Seed from Dry Cones 156 



23. Detaching the Wings 159 



24.' The Dry Method 159 



25. The Wet Method 159 



26. Cleaning the Seed 160 



27. Species that Require Special Treatment 160 



28. Seed-extracting Plants 160 



29. The Older Type of Plant for Seed Extraction 161 



30. The Newer Type of Plant for Seed Extraction 163 



31. The Storage of Tree Seed 166 



32. Dry Storage 168 



33. Storage under Fluctuating Temperature and Humidity. ... 169 



34. Cold Storage 169 



35. Storage in Sealed Cans, Carboys and Boxes 170 



36. Wet or Moist Storage 171 



37. Storage on or in the Ground 172 



38. Storage in Running Water 174 



39. The Treatment of Insect Infested Seed 174 



40. The Transportation of Seed 174 



CHAPTER IX 

 THE PROTECTION OF SEEDING AND PLANTING SITES 



1. Protecting the Site from Seed-eating Animals 176 



2. Destroying Rodents by Poisoning 177 



3. Protecting the Site from Plant-eating Animals 181 



4. Protection from Fire 183 



5. Methods of Protection 184 



6. Reducing the Fire Hazard by Eliminating the Cause 184 



7. Reducing the Fire Hazard by the Use of Fire Lines 184 



8. Reducing the Fire Hazard by Facilities for Fighting Fire 186- 



